=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2006.03.31 07:50:21 =~=~=~=~=~=~=~=~=~=~=~= RACK15AS>6 [Resuming connection 6 to r6 ... ] S6#config t Enter configuration commands, one per line. End with CNTL/Z. S6(config)#router bgp 300 S6(config-router)#no aut to S6(config-router)#do sh ip proto *** IP Routing is NSF aware *** Routing Protocol is "bgp 300" Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set IGP synchronization is disabled Automatic route summarization is disabled Maximum path: 1 Routing Information Sources: Gateway Distance Last Update Distance: external 20 internal 200 local 200 S6(config-router)#nei 17.57.100.1 remote 300 S6(config-router)#net   S6(config-router)#network 60.0.0.0 mask 255.0.0.0 S6(config-router)#do sh run | b bgp router bgp 300 no synchronization bgp log-neighbor-changes network 60.0.0.0 neighbor 17.57.100.1 remote-as 300 no auto-summary ! ip classless ip http server ip http secure-server ! ! ! control-plane ! ! line con 0 exec-timeout 0 0 line vty 0 4 login line vty 5 15 login ! --More--   S6(config-router)#net 17.57.10 01.0 mask 255.255.255.0 S6(config-router)#net 17.57.101.0 mask 255.255.255.0.0 mask 255.255.255.0 2.0 mask 255.255.255.0 S6(config-router)#net 17.57.102.0 mask 255.255.255.0.0 mask 255.255.255.0 3.0 mask 255.255.255.0 S6(config-router)#net 17.57.103.0 mask 255.255.255.0.0 mask 255.255.255.0 0.0 mask 255.255.255.0 S6(config-router)#^Z S6# 19:16:38: %SYS-5-CONFIG_I: Configured from console by consoleconfig t Enter configuration commands, one per line. End with CNTL/Z. S6(config)#rouetr   ter bgpo    300 S6(config-router)#bgp rout S6(config-router)#bgp router-id 6.6.6.6 S6(config-router)#^Z S6# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router bgp 23  300 R1(config-router)#no auto R1(config-router)#rou   bgp rou R1(config-router)#bgp router-id 1/1  .1.1.1 R1(config-router)#nei 17.57.100.2 remote 300 R1(config-router)#nei 208.28.1.65 remote 200 R1(config-router)#nei 208.28.1.65 remote 200             3 2 remote 100 R1(config-router)#nei 180.40.7.129 remote 100 R1(config-router)#nei 180.40.7.129 remote 100 remote 100  remote 100  *Mar 1 19:16:32.717: %BGP-5-ADJCHANGE: neighbor 17.57.100.2 Up R1(config-router)#nei 180.40.7.1 remote 100 remote 100 6 remote 1005 remote 100 R1(config-router)#net 10.0.0.0 R1(config-router)#net 208.28.1.64 mask 255.255.255.240 R1(config-router)#net 180.40.7.0 4~  128 mask 255.255.255.224 R1(config-router)#net 180.40.7.128 mask 255.255.255.224 mask 255.255.255.224  mask 255.255.255.224  mask 255.255.255.224 6 mask 255.255.255.2244 mask 255.255.255.224 R1(config-router)#net 180.40.7.64 mask 255.255.255.224128 mask 255.255.255.224208.28.1.64 mask 255.255.255.240  84 mask 255.255.255.248  mask 255.255.255.248 0 mask 255.255.255.248 R1(config-router)#^Z R1# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#configt Translating "configt" % Unknown command or computer name, or unable to find computer address S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#routre    er bg[p    p 200 S5(config-router)#no aut S5(config-router)#bgp router S5(config-router)#bgp router-id 7 5.5.5.5 S5(config-router)#nei 208.28.1.66 remote 300 S5(config-router)#nei 208.28.1.66 remote 300000 100 remote 100  remote 100 1 remote 1003 remote 1000 remote 100 % Cannot configure the local system as neighbor S5(config-router)#nei 208.28.1.130 remote 10066 remote 300 130 remote 100 remote 100  remote 100 2 remote 1009 remote 100 S5(config-router)#net 50.0.0.0 S5(config-router)#net 20/8  8.28.1.128 mask 255.255.255.224 S5(config-router)#^Z S5# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#roou  uter bgp 100 R2(config-router)#no auto R2(config-router)#bgp rout R2(config-router)#bgp router-id 2.2.2.2 R2(config-router)#nei 208.28.1.130 remote 200 R2(config-router)#nei 180.40.7.130 remote 300 R2(config-router)#nei 180.40.7.130 remote 3000 remote 300 0 remote 300  remote 300 6 remote 3006 remote 300 R2(config-router)#nei 180. *Mar 1 19:18:12.015: %BGP-5-ADJCHANGE: neighbor 180.40.7.66 Up R2(config-router)#nei 180.4.0  0.7.3 rmo  emote 100 R2(config-router)#net 20.0.10  0.0 R2(config-router)#net 180.40.7.0 mask 255.255.255.224 R2(config-router)# *Mar 1 19:18:38.623: %BGP-5-ADJCHANGE: neighbor 208.28.1.130 Up R2(config-router)# *Mar 1 19:18:40.077: %BGP-5-ADJCHANGE: neighbor 180.40.7.130 Up R2(config-router)#^Z R2# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router bgp 100 R3(config-router)#no auto R3(config-router)#bgp route R3(config-router)#bgp router-id 3.3.3.3 R3(config-router)#nei 180.40.7.2 remote 100 R3(config-router)#nei 208.28.1.1 remote 300 R3(config-router)#nei 17.80.1.2 remote 100 R3(config-router)#\ net 30.0.0.0 R3(config-router)#^Z R3# RACK15AS>z 4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#b rouiter     t uter bgp 100 R4(config-router)#no auto R4(config-router)#bgp route R4(config-router)#bgp router-id 4.4.4.4 R4(config-router)#nei 17.80.1.1 rmo  emote 199  00 R4(config-router)#net 40.0.0.0 R4(config-router)#net 17.80.1.0 mask 255.255.255.0 R4(config-router)#^Z R4# 16:18:40: %SYS-5-CONFIG_I: Configured from console by console 16:18:40: %BGP-5-ADJCHANGE: neighbor 17.80.1.1 Up R4#dsh   sh ip bgp sum BGP router identifier 4.4.4.4, local AS number 100 BGP table version is 4, main routing table version 4 15 network entries using 1515 bytes of memory 15 path entries using 720 bytes of memory 4 BGP path attribute entries using 240 bytes of memory 2 BGP AS-PATH entries using 48 bytes of memory 0 BGP route-map cache entries using 0 bytes of memory 0 BGP filter-list cache entries using 0 bytes of memory BGP using 2523 total bytes of memory BGP activity 15/0 prefixes, 15/0 paths, scan interval 60 secs Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 17.80.1.1 4 100 8 5 4 0 0 00:00:05 13 R4#sh ii p bgp BGP table version is 4, local router ID is 4.4.4.4 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 208.28.1.1 0 100 0 300 i * i17.57.100.0/24 208.28.1.1 0 100 0 300 i * i17.57.101.0/24 208.28.1.1 0 100 0 300 i * i17.57.102.0/24 208.28.1.1 0 100 0 300 i * i17.57.103.0/24 208.28.1.1 0 100 0 300 i *> 17.80.1.0/24 0.0.0.0 0 32768 i *>i30.0.0.0 17.80.1.1 0 100 0 i *> 40.0.0.0 0.0.0.0 0 32768 i * i60.0.0.0 208.28.1.1 0 100 0 300 i * i180.40.7.64/27 208.28.1.1 0 100 0 300 i * i180.40.7.128/27 208.28.1.1 0 100 0 300 i * i208.28.1.0/29 208.28.1.1 0 100 0 300 i * i208.28.1.64/28 208.28.1.1 0 100 0 300 i R4#   RACK15AS>3 [Resuming connection 3 to r3 ... ] *Mar R3#sh ip bgp BGP table version is 23, local router ID is 3.3.3.3 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 10.0.0.0 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *> 17.57.100.0/24 208.28.1.1 0 300 i * i 180.40.7.66 0 100 0 300 i *> 17.57.101.0/24 208.28.1.1 0 300 i * i 180.40.7.66 0 100 0 300 i *> 17.57.102.0/24 208.28.1.1 0 300 i * i 180.40.7.66 0 100 0 300 i *> 17.57.103.0/24 208.28.1.1 0 300 i * i 180.40.7.66 0 100 0 300 i r>i17.80.1.0/24 17.80.1.2 0 100 0 i *>i20.0.0.0 180.40.7.2 0 100 0 i *> 30.0.0.0 0.0.0.0 0 32768 i *>i40.0.0.0 17.80.1.2 0 100 0 i * 50.0.0.0 208.28.1.1 0 300 200 i *>i 208.28.1.130 0 100 0 200 i *> 60.0.0.0 208.28.1.1 0 300 i --More--   Network Next Hop Metric LocPrf Weight Path * i 180.40.7.66 0 100 0 300 i r>i180.40.7.0/27 180.40.7.2 0 100 0 i *> 180.40.7.64/27 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *> 180.40.7.128/27 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i r> 208.28.1.0/29 208.28.1.1 0 0 300 i r i 180.40.7.66 0 100 0 300 i *> 208.28.1.64/28 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i * 208.28.1.128/27 208.28.1.1 0 300 200 i *>i 208.28.1.130 0 100 0 200 i R3#sh ip proto Routing Protocol is "bgp 100" Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set IGP synchronization is disabled Automatic route summarization is disabled Neighbor(s): Address FiltIn FiltOut DistIn DistOut Weight RouteMap 17.80.1.2 180.40.7.2 208.28.1.1 Maximum path: 1 Routing Information Sources: Gateway Distance Last Update 17.80.1.2 200 00:01:15 180.40.7.2 200 00:01:01 208.28.1.1 20 00:00:01 Distance: external 20 internal 200 local 200 R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 5 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 B 17.57.100.0 [20/0] via 208.28.1.1, 00:01:41 B 17.57.101.0 [20/0] via 208.28.1.1, 00:01:41 B 17.57.102.0 [20/0] via 208.28.1.1, 00:01:41 B 17.57.103.0 [20/0] via 208.28.1.1, 00:01:41 B 50.0.0.0/8 [20/0] via 208.28.1.1, 00:00:27 B 20.0.0.0/8 [200/0] via 180.40.7.2, 00:01:41 B 40.0.0.0/8 [200/0] via 17.80.1.2, 00:01:41 B 10.0.0.0/8 [20/0] via 208.28.1.1, 00:01:41 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks B 208.28.1.128/27 [20/0] via 208.28.1.1, 00:00:28 B 208.28.1.64/28 [20/0] via 208.28.1.1, 00:01:42 --More--  C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 3 subnets B 180.40.7.128 [20/0] via 208.28.1.1, 00:01:47 C 180.40.7.0 is directly connected, Serial1/2 B 180.40.7.64 [20/0] via 208.28.1.1, 00:01:47 B 60.0.0.0/8 [20/0] via 208.28.1.1, 00:01:47 C 30.0.0.0/8 is directly connected, Loopback99 R3# RACK15AS>1 [Resuming connection 1 to r1 ... ] *M R1# R1#ship route ^ % Invalid input detected at '^' marker. R1#ship route ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 5 subnets B 17.80.1.0 [20/0] via 208.28.1.2, 00:01:50 C 17.57.100.0 is directly connected, Ethernet0/1 B 17.57.101.0 [200/0] via 17.57.100.2, 00:05:18 B 17.57.102.0 [200/0] via 17.57.100.2, 00:05:18 B 17.57.103.0 [200/0] via 17.57.100.2, 00:05:18 B 50.0.0.0/8 [20/0] via 208.28.1.65, 00:04:00 B 20.0.0.0/8 [20/0] via 180.40.7.65, 00:03:09 B 40.0.0.0/8 [20/0] via 208.28.1.2, 00:01:50 C 10.0.0.0/8 is directly connected, Loopback99 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks B 208.28.1.128/27 [20/0] via 208.28.1.65, 00:04:02 C 208.28.1.64/28 is directly connected, Ethernet0/0 --More--   R1# RACK15AS>6 [Resuming connection 6 to r6 ... ] 19 S6#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 5 subnets B 17.80.1.0 [200/0] via 208.28.1.2, 00:02:45 C 17.57.100.0 is directly connected, FastEthernet0/1 C 17.57.101.0 is directly connected, Loopback0 C 17.57.102.0 is directly connected, Loopback1 C 17.57.103.0 is directly connected, Loopback2 B 50.0.0.0/8 [200/0] via 208.28.1.65, 00:04:56 B 20.0.0.0/8 [200/0] via 180.40.7.65, 00:03:59 B 40.0.0.0/8 [200/0] via 208.28.1.2, 00:02:45 B 10.0.0.0/8 [200/0] via 17.57.100.1, 00:06:13 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks B 208.28.1.128/27 [200/0] via 208.28.1.65, 00:04:57 B 208.28.1.64/28 [200/0] via 17.57.100.1, 00:06:14 --More--  B 208.28.1.0/29 [200/0] via 17.57.100.1, 00:06:14 180.40.0.0/27 is subnetted, 3 subnets B 180.40.7.128 [200/0] via 17.57.100.1, 00:06:14 B 180.40.7.0 [200/0] via 180.40.7.65, 00:04:00 B 180.40.7.64 [200/0] via 17.57.100.1, 00:06:14 C 60.0.0.0/8 is directly connected, Loopback99 B 30.0.0.0/8 [200/0] via 208.28.1.2, 00:03:13 S6#sh ip route sum IP routing table name is Default-IP-Routing-Table(0) IP routing table maximum-paths is 32 Route Source Networks Subnets Overhead Memory (bytes) connected 1 4 320 760 static 0 0 0 0 bgp 300 5 7 768 1824 External: 0 Internal: 12 Local: 0 internal 3 3516 Total 9 11 1088 6100 S6# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip route sum IP routing table name is Default-IP-Routing-Table(0) Route Source Networks Subnets Overhead Memory (bytes) connected 2 1 192 456 static 0 0 0 0 bgp 100 1 0 64 152 External: 0 Internal: 1 Local: 0 internal 1 1172 Total 4 1 256 1780 R4# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip route sum IP routing table name is Default-IP-Routing-Table(0) Route Source Networks Subnets Overhead Memory (bytes) connected 1 3 256 608 static 0 0 0 0 bgp 100 5 8 832 1976 External: 11 Internal: 2 Local: 0 internal 3 3516 Total 9 11 1088 6100 R3# RACK15AS>5 [Resuming connection 5 to r5 ... ] 19:2 S5#sh ip rout sum IP routing table name is Default-IP-Routing-Table(0) IP routing table maximum-paths is 32 Route Source Networks Subnets Overhead Memory (bytes) connected 1 2 192 456 static 0 0 0 0 bgp 200 5 10 960 2280 External: 15 Internal: 0 Local: 0 internal 3 3516 Total 9 12 1152 6252 S5# RACK15AS>6 [Resuming connection 6 to r6 ... ] S6#sh ip bgp BGP table version is 20, local router ID is 6.6.6.6 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *>i10.0.0.0 17.57.100.1 0 100 0 i *> 17.57.100.0/24 0.0.0.0 0 32768 i *> 17.57.101.0/24 0.0.0.0 0 32768 i *> 17.57.102.0/24 0.0.0.0 0 32768 i *> 17.57.103.0/24 0.0.0.0 0 32768 i *>i17.80.1.0/24 208.28.1.2 0 100 0 100 i *>i20.0.0.0 180.40.7.65 0 100 0 100 i *>i30.0.0.0 208.28.1.2 0 100 0 100 i *>i40.0.0.0 208.28.1.2 0 100 0 100 i *>i50.0.0.0 208.28.1.65 0 100 0 200 i *> 60.0.0.0 0.0.0.0 0 32768 i *>i180.40.7.0/27 180.40.7.65 0 100 0 100 i *>i180.40.7.64/27 17.57.100.1 0 100 0 i *>i180.40.7.128/27 17.57.100.1 0 100 0 i *>i208.28.1.0/29 17.57.100.1 0 100 0 i *>i208.28.1.64/28 17.57.100.1 0 100 0 i *>i208.28.1.128/27 208.28.1.65 0 100 0 200 i S6# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip bgp BGP table version is 4, local router ID is 4.4.4.4 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 208.28.1.1 0 100 0 300 i * i17.57.100.0/24 208.28.1.1 0 100 0 300 i * i17.57.101.0/24 208.28.1.1 0 100 0 300 i * i17.57.102.0/24 208.28.1.1 0 100 0 300 i * i17.57.103.0/24 208.28.1.1 0 100 0 300 i *> 17.80.1.0/24 0.0.0.0 0 32768 i *>i30.0.0.0 17.80.1.1 0 100 0 i *> 40.0.0.0 0.0.0.0 0 32768 i * i60.0.0.0 208.28.1.1 0 100 0 300 i * i180.40.7.64/27 208.28.1.1 0 100 0 300 i * i180.40.7.128/27 208.28.1.1 0 100 0 300 i * i208.28.1.0/29 208.28.1.1 0 100 0 300 i * i208.28.1.64/28 208.28.1.1 0 100 0 300 i R4#   RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router bgp 2345 BGP is already running; AS is 100 R3(config)#router bgp 2345    100 R3(config-router)#router bgp 1002345net 30.0.0.0 i 17.80.1.2 remote 100          rou R3(config-router)#nei 17.80.1.2 route-r R3(config-router)#nei 17.80.1.2 route-reflector-client R3(config-router)# *Mar 1 19:26:51.351: %BGP-5-ADJCHANGE: neighbor 17.80.1.2 Down RR client config change R3(config-router)# *Mar 1 19:27:19.901: %BGP-5-ADJCHANGE: neighbor 17.80.1.2 Up R3(config-router)#exit R3(config)#ip tcp R3(config)#ip tcp ? async-mobility Configure async-mobility chunk-size TCP chunk size intercept Enable TCP intercepting mss TCP initial maximum segment size path-mtu-discovery Enable path-MTU discovery on new TCP connections queuemax Maximum queue of outgoing TCP packets selective-ack Enable TCP selective-ACK synwait-time Set time to wait on new TCP connections timestamp Enable TCP timestamp option window-size TCP window size R3(config)#ip tcp synwait-time ? <5-300> Wait time R3(config)#ip tcp synwait-time 5 R3(config)#^Z R3# *Mar 1 19:28:00.119: %SYS-5-CONFIG_I: Configured from console by console R3#x 4 Trying 4... % Destination unreachable; gateway or host down % Unknown command or computer name, or unable to find computer address R3# R3# RACK15AS>4 [Resuming connection 4 to r4 ... ] 16: R4#sh ip route     bgp BGP table version is 6, local router ID is 4.4.4.4 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 208.28.1.1 0 100 0 300 i * i17.57.100.0/24 208.28.1.1 0 100 0 300 i * i17.57.101.0/24 208.28.1.1 0 100 0 300 i * i17.57.102.0/24 208.28.1.1 0 100 0 300 i * i17.57.103.0/24 208.28.1.1 0 100 0 300 i *> 17.80.1.0/24 0.0.0.0 0 32768 i * i20.0.0.0 180.40.7.2 0 100 0 i *>i30.0.0.0 17.80.1.1 0 100 0 i *> 40.0.0.0 0.0.0.0 0 32768 i * i50.0.0.0 208.28.1.1 0 100 0 300 200 i * i60.0.0.0 208.28.1.1 0 100 0 300 i * i180.40.7.0/27 180.40.7.2 0 100 0 i * i180.40.7.64/27 208.28.1.1 0 100 0 300 i * i180.40.7.128/27 208.28.1.1 0 100 0 300 i * i208.28.1.0/29 208.28.1.1 0 100 0 300 i * i208.28.1.64/28 208.28.1.1 0 100 0 300 i * i208.28.1.128/27 208.28.1.1 0 100 0 300 200 i R4# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router bgp 100 R3(config-router)#router bgp 100ip tcp synwait-time 5exit nei 17.80.1.2 route-reflector-client                        ne R3(config-router)#nei 17.80.1.2 next-hop-s R3(config-router)#nei 17.80.1.2 next-hop-self R3(config-router)#^Z R3# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip bgp BGP table version is 16, local router ID is 4.4.4.4 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *>i10.0.0.0 17.80.1.1 0 100 0 300 i *>i17.57.100.0/24 17.80.1.1 0 100 0 300 i *>i17.57.101.0/24 17.80.1.1 0 100 0 300 i *>i17.57.102.0/24 17.80.1.1 0 100 0 300 i *>i17.57.103.0/24 17.80.1.1 0 100 0 300 i *> 17.80.1.0/24 0.0.0.0 0 32768 i * i20.0.0.0 180.40.7.2 0 100 0 i *>i30.0.0.0 17.80.1.1 0 100 0 i *> 40.0.0.0 0.0.0.0 0 32768 i * i50.0.0.0 208.28.1.130 0 100 0 200 i *>i60.0.0.0 17.80.1.1 0 100 0 300 i * i180.40.7.0/27 180.40.7.2 0 100 0 i *>i180.40.7.64/27 17.80.1.1 0 100 0 300 i *>i180.40.7.128/27 17.80.1.1 0 100 0 300 i *>i208.28.1.0/29 17.80.1.1 0 100 0 300 i *>i208.28.1.64/28 17.80.1.1 0 100 0 300 i * i208.28.1.128/27 208.28.1.130 0 100 0 200 i R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#route-map From  R3 R4(config-route-map)#set ip ne R4(config-route-map)#set ip next-hop ? A.B.C.D IP address of next hop peer-address Use peer address (for BGP only) verify-availability Verify if nexthop is a CDP neighbor R4(config-route-map)#set ip next-hop pee R4(config-route-map)#set ip next-hop peer-address R4(config-route-map)#router bgp 100 R4(config-router)#nei 17.80.1.1 rout R4(config-router)#nei 17.80.1.1 route-m R4(config-router)#nei 17.80.1.1 route-map FromR3 in R4(config-router)#^Z R4#sh ip bgp 16:29:00: %SYS-5-CONFIG_I: Configured from console by console R4#sh ip bgp BGP table version is 20, local router ID is 4.4.4.4 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *>i10.0.0.0 17.80.1.1 0 100 0 300 i *>i17.57.100.0/24 17.80.1.1 0 100 0 300 i *>i17.57.101.0/24 17.80.1.1 0 100 0 300 i *>i17.57.102.0/24 17.80.1.1 0 100 0 300 i *>i17.57.103.0/24 17.80.1.1 0 100 0 300 i *> 17.80.1.0/24 0.0.0.0 0 32768 i * i20.0.0.0 180.40.7.2 0 100 0 i *>i30.0.0.0 17.80.1.1 0 100 0 i *> 40.0.0.0 0.0.0.0 0 32768 i *>i50.0.0.0 208.28.1.130 0 100 0 200 i *>i60.0.0.0 17.80.1.1 0 100 0 300 i * i180.40.7.0/27 180.40.7.2 0 100 0 i *>i180.40.7.64/27 17.80.1.1 0 100 0 300 i *>i180.40.7.128/27 17.80.1.1 0 100 0 300 i *>i208.28.1.0/29 17.80.1.1 0 100 0 300 i *>i208.28.1.64/28 17.80.1.1 0 100 0 300 i *>i208.28.1.128/27 208.28.1.130 0 100 0 200 i R4#cle ip bgp * in R4#cle ip bgp * insh ip bgp  BGP table version is 24, local router ID is 4.4.4.4 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *>i10.0.0.0 17.80.1.1 0 100 0 300 i *>i17.57.100.0/24 17.80.1.1 0 100 0 300 i *>i17.57.101.0/24 17.80.1.1 0 100 0 300 i *>i17.57.102.0/24 17.80.1.1 0 100 0 300 i *>i17.57.103.0/24 17.80.1.1 0 100 0 300 i *> 17.80.1.0/24 0.0.0.0 0 32768 i *>i20.0.0.0 17.80.1.1 0 100 0 i *>i30.0.0.0 17.80.1.1 0 100 0 i *> 40.0.0.0 0.0.0.0 0 32768 i *>i50.0.0.0 17.80.1.1 0 100 0 200 i *>i60.0.0.0 17.80.1.1 0 100 0 300 i *>i180.40.7.0/27 17.80.1.1 0 100 0 i *>i180.40.7.64/27 17.80.1.1 0 100 0 300 i *>i180.40.7.128/27 17.80.1.1 0 100 0 300 i *>i208.28.1.0/29 17.80.1.1 0 100 0 300 i *>i208.28.1.64/28 17.80.1.1 0 100 0 300 i *>i208.28.1.128/27 17.80.1.1 0 100 0 200 i R4# RACK15AS>2 [Resuming connection 2 to r2 ... ] * R2#sh ip bbgp ^ % Invalid input detected at '^' marker. R2#sh ip bbgp   gp BGP table version is 19, local router ID is 2.2.2.2 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 208.28.1.1 0 100 0 300 i * 180.40.7.130 0 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 0 300 i * i17.57.100.0/24 208.28.1.1 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.101.0/24 208.28.1.1 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.102.0/24 208.28.1.1 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.103.0/24 208.28.1.1 0 100 0 300 i --More--   Network Next Hop Metric LocPrf Weight Path * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.80.1.0/24 17.80.1.2 0 100 0 i *> 20.0.0.0 0.0.0.0 0 32768 i *>i30.0.0.0 180.40.7.3 0 100 0 i * i40.0.0.0 17.80.1.2 0 100 0 i * i50.0.0.0 208.28.1.1 0 100 0 300 200 i * 180.40.7.66 0 300 200 i * 180.40.7.130 0 300 200 i *> 208.28.1.130 0 0 200 i * i60.0.0.0 208.28.1.1 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i *> 180.40.7.0/27 0.0.0.0 0 32768 i r i180.40.7.64/27 208.28.1.1 0 100 0 300 i r 180.40.7.130 0 0 300 i r 208.28.1.130 0 200 300 i r> 180.40.7.66 0 0 300 i r i180.40.7.128/27 208.28.1.1 0 100 0 300 i r 180.40.7.130 0 0 300 i --More--   R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#route-map From  R3 R2(config-route-map)#set ip ne R2(config-route-map)#set ip next-hop pe R2(config-route-map)#set ip next-hop peer-address R2(config-route-map)#router bgp `100    1   100 R2(config-router)#nei 180.40.7.3 route R2(config-router)#nei 180.40.7.3 route-m R2(config-router)#nei 180.40.7.3 route-map FromR3 in R2(config-router)#^Z R2#c *Mar 1 19:33:03.000: %SYS-5-CONFIG_I: Configured from console by console R2#clea ip bgop    p * in R2#clea ip bgp * inonfig t sh ip bgp BGP table version is 21, local router ID is 2.2.2.2 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.101.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.102.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.103.0/24 180.40.7.3 0 100 0 300 i --More--   Network Next Hop Metric LocPrf Weight Path * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i *>i17.80.1.0/24 180.40.7.3 0 100 0 i *> 20.0.0.0 0.0.0.0 0 32768 i *>i30.0.0.0 180.40.7.3 0 100 0 i *>i40.0.0.0 180.40.7.3 0 100 0 i * 50.0.0.0 180.40.7.66 0 300 200 i * 180.40.7.130 0 300 200 i *> 208.28.1.130 0 0 200 i * i60.0.0.0 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i *> 180.40.7.0/27 0.0.0.0 0 32768 i r i180.40.7.64/27 180.40.7.3 0 100 0 300 i r 180.40.7.130 0 0 300 i r 208.28.1.130 0 200 300 i r> 180.40.7.66 0 0 300 i r i180.40.7.128/27 180.40.7.3 0 100 0 300 i r 180.40.7.130 0 0 300 i r 208.28.1.130 0 200 300 i --More--   Network Next Hop Metric LocPrf Weight Path r> 180.40.7.66 0 0 300 i * i208.28.1.0/29 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 0 300 i * i208.28.1.64/28 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 0 300 i r i208.28.1.128/27 180.40.7.3 0 100 0 300 200 i r 180.40.7.66 0 300 200 i r 180.40.7.130 0 300 200 i r> 208.28.1.130 0 0 200 i R2#sh ip bgp sum BGP router identifier 2.2.2.2, local AS number 100 BGP table version is 21, main routing table version 21 17 network entries using 1717 bytes of memory 53 path entries using 2544 bytes of memory 9 BGP path attribute entries using 540 bytes of memory 1 BGP rrinfo entries using 24 bytes of memory 4 BGP AS-PATH entries using 96 bytes of memory 0 BGP route-map cache entries using 0 bytes of memory 0 BGP filter-list cache entries using 0 bytes of memory BGP using 4921 total bytes of memory BGP activity 17/0 prefixes, 67/14 paths, scan interval 60 secs Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 180.40.7.3 4 100 41 23 21 0 0 00:14:46 15 180.40.7.66 4 300 32 25 21 0 0 00:16:04 12 180.40.7.130 4 300 32 26 21 0 0 00:15:36 12 208.28.1.130 4 200 34 25 21 0 0 00:15:38 12 R2#qsh ip bgp sum  bgp p p   route sum IP routing table name is Default-IP-Routing-Table(0) Route Source Networks Subnets Overhead Memory (bytes) connected 1 4 320 760 static 0 0 0 0 bgp 100 5 7 768 1824 External: 9 Internal: 3 Local: 0 internal 3 3516 Total 9 11 1088 6100 R2# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip b rout sum IP routing table name is Default-IP-Routing-Table(0) Route Source Networks Subnets Overhead Memory (bytes) connected 2 1 192 456 static 0 0 0 0 bgp 100 5 10 960 2280 External: 0 Internal: 15 Local: 0 internal 3 3516 Total 10 11 1152 6252 R4# RACK15AS>6 [Resuming connection 6 to r6 ... ] S6#sh ip bgp sum  sum  sum  sum r sum o sum u sum t sum e sum  IP routing table name is Default-IP-Routing-Table(0) IP routing table maximum-paths is 32 Route Source Networks Subnets Overhead Memory (bytes) connected 1 4 320 760 static 0 0 0 0 bgp 300 5 7 768 1824 External: 0 Internal: 12 Local: 0 internal 3 3516 Total 9 11 1088 6100 S6# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#sh ip bgp sum sum  sum  sum r sumo sumu sumt sume sum IP routing table name is Default-IP-Routing-Table(0) IP routing table maximum-paths is 32 Route Source Networks Subnets Overhead Memory (bytes) connected 1 2 192 456 static 0 0 0 0 bgp 200 5 10 960 2280 External: 15 Internal: 0 Local: 0 internal 3 3516 Total 9 12 1152 6252 S5#sh oip     ip bgp BGP table version is 24, local router ID is 5.5.5.5 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * 10.0.0.0 208.28.1.129 0 100 300 i *> 208.28.1.66 0 0 300 i * 17.57.100.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i * 17.57.101.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i * 17.57.102.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i * 17.57.103.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i *> 17.80.1.0/24 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i * 20.0.0.0 208.28.1.66 0 300 100 i *> 208.28.1.129 0 0 100 i * 30.0.0.0 208.28.1.66 0 300 100 i *> 208.28.1.129 0 100 i *> 40.0.0.0 208.28.1.129 0 100 i --More--   Network Next Hop Metric LocPrf Weight Path * 208.28.1.66 0 300 100 i *> 50.0.0.0 0.0.0.0 0 32768 i * 60.0.0.0 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i * 180.40.7.0/27 208.28.1.66 0 300 100 i *> 208.28.1.129 0 0 100 i * 180.40.7.64/27 208.28.1.129 0 100 300 i *> 208.28.1.66 0 0 300 i * 180.40.7.128/27 208.28.1.129 0 100 300 i *> 208.28.1.66 0 0 300 i * 208.28.1.0/29 208.28.1.129 0 100 300 i *> 208.28.1.66 0 0 300 i * 208.28.1.64/28 208.28.1.129 0 100 300 i *> 208.28.1.66 0 0 300 i *> 208.28.1.128/27 0.0.0.0 0 32768 i S5#   RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip route sum IP routing table name is Default-IP-Routing-Table(0) Route Source Networks Subnets Overhead Memory (bytes) connected 1 5 384 912 static 0 0 0 0 bgp 300 5 6 704 1672 External: 7 Internal: 4 Local: 0 internal 3 3516 Total 9 11 1088 6100 R1#sh   h ip       sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 5 subnets B 17.80.1.0 [20/0] via 208.28.1.2, 00:08:43 C 17.57.100.0 is directly connected, Ethernet0/1 B 17.57.101.0 [200/0] via 17.57.100.2, 00:18:54 B 17.57.102.0 [200/0] via 17.57.100.2, 00:18:54 B 17.57.103.0 [200/0] via 17.57.100.2, 00:18:54 B 50.0.0.0/8 [20/0] via 208.28.1.65, 00:17:37 B 20.0.0.0/8 [20/0] via 180.40.7.65, 00:16:45 B 40.0.0.0/8 [20/0] via 208.28.1.2, 00:08:43 C 10.0.0.0/8 is directly connected, Loopback99 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks B 208.28.1.128/27 [20/0] via 208.28.1.65, 00:17:38 C 208.28.1.64/28 is directly connected, Ethernet0/0 --More--  C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 3 subnets C 180.40.7.128 is directly connected, Serial0/1 B 180.40.7.0 [20/0] via 180.40.7.65, 00:16:48 C 180.40.7.64 is directly connected, Serial0/0.2 B 60.0.0.0/8 [200/0] via 17.57.100.2, 00:18:56 B 30.0.0.0/8 [20/0] via 208.28.1.2, 00:15:55 R1# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 5 subnets B 17.80.1.0 [20/0] via 208.28.1.129, 00:03:25 B 17.57.100.0 [20/0] via 208.28.1.66, 00:17:55 B 17.57.101.0 [20/0] via 208.28.1.66, 00:17:55 B 17.57.102.0 [20/0] via 208.28.1.66, 00:17:55 B 17.57.103.0 [20/0] via 208.28.1.66, 00:17:55 C 50.0.0.0/8 is directly connected, Loopback99 B 20.0.0.0/8 [20/0] via 208.28.1.129, 00:17:04 B 40.0.0.0/8 [20/0] via 208.28.1.129, 00:03:25 B 10.0.0.0/8 [20/0] via 208.28.1.66, 00:17:55 208.28.1.0/24 is variably subnetted, 4 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/29 is directly connected, Vlan10 --More--  B 208.28.1.64/28 [20/0] via 208.28.1.66, 00:17:58 B 208.28.1.0/29 [20/0] via 208.28.1.66, 00:17:58 180.40.0.0/27 is subnetted, 3 subnets B 180.40.7.128 [20/0] via 208.28.1.66, 00:17:58 B 180.40.7.0 [20/0] via 208.28.1.129, 00:17:07 B 180.40.7.64 [20/0] via 208.28.1.66, 00:17:58 B 60.0.0.0/8 [20/0] via 208.28.1.66, 00:17:58 B 30.0.0.0/8 [20/0] via 208.28.1.129, 00:16:14 S5# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#sh run     int e 0/0 Ethernet0/0 is up, line protocol is up Hardware is AmdP2, address is 000a.8af0.cce0 (bia 000a.8af0.cce0) Internet address is 208.28.1.66/28 MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:14, output 00:00:00, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 3588 packets input, 581211 bytes, 0 no buffer Received 3534 broadcasts, 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 0 input packets with dribble condition detected 8397 packets output, 896290 bytes, 0 underruns 0 output errors, 0 collisions, 1 interface resets 0 babbles, 0 late collision, 0 deferred 0 lost carrier, 0 no carrier --More--   R1# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#sh int vlan 10 Vlan10 is up, line protocol is up Hardware is EtherSVI, address is 0013.80cf.cd00 (bia 0013.80cf.cd00) Internet address is 208.28.1.65/29 MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:51, output 00:00:51, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 3 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 35 packets input, 2898 bytes, 0 no buffer Received 0 broadcasts (0 IP multicast) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 54 packets output, 3991 bytes, 0 underruns 0 output errors, 0 interface resets 0 output buffer failures, 0 output buffers swapped out S5#q sh ip bgp sum BGP router identifier 5.5.5.5, local AS number 200 BGP table version is 24, main routing table version 24 17 network entries using 1921 bytes of memory 32 path entries using 1664 bytes of memory 8/5 BGP path/bestpath attribute entries using 864 bytes of memory 4 BGP AS-PATH entries using 96 bytes of memory 0 BGP route-map cache entries using 0 bytes of memory 0 BGP filter-list cache entries using 0 bytes of memory BGP using 4545 total bytes of memory BGP activity 19/2 prefixes, 34/2 paths, scan interval 60 secs Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 208.28.1.66 4 300 31 33 24 0 0 00:20:09 15 208.28.1.129 4 100 29 38 24 0 0 00:19:07 15 S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int vlan 10 S5(config-if)#ip address 208.28.1.65 255.255.255.240 S5(config-if)#^Z S5# 19:41:48: %SYS-5-CONFIG_I: Configured from console by console S5#sh ip route sum IP routing table name is Default-IP-Routing-Table(0) IP routing table maximum-paths is 32 Route Source Networks Subnets Overhead Memory (bytes) connected 1 2 192 456 static 0 0 0 0 bgp 200 5 9 896 2128 External: 14 Internal: 0 Local: 0 internal 3 3516 Total 9 11 1088 6100 S5# RACK15AS>3 [Resuming connection 3 to r3 ... ] * R3# R3#sh ip bgp BGP table version is 66, local router ID is 3.3.3.3 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 10.0.0.0 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *> 17.57.100.0/24 208.28.1.1 0 300 i * i 180.40.7.66 0 100 0 300 i *> 17.57.101.0/24 208.28.1.1 0 300 i * i 180.40.7.66 0 100 0 300 i *> 17.57.102.0/24 208.28.1.1 0 300 i * i 180.40.7.66 0 100 0 300 i *> 17.57.103.0/24 208.28.1.1 0 300 i * i 180.40.7.66 0 100 0 300 i r>i17.80.1.0/24 17.80.1.2 0 100 0 i *>i20.0.0.0 180.40.7.2 0 100 0 i *> 30.0.0.0 0.0.0.0 0 32768 i *>i40.0.0.0 17.80.1.2 0 100 0 i *> 50.0.0.0 208.28.1.1 0 300 200 i * i 208.28.1.130 0 100 0 200 i *> 60.0.0.0 208.28.1.1 0 300 i --More--   Network Next Hop Metric LocPrf Weight Path * i 180.40.7.66 0 100 0 300 i r>i180.40.7.0/27 180.40.7.2 0 100 0 i *> 180.40.7.64/27 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *> 180.40.7.128/27 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i r> 208.28.1.0/29 208.28.1.1 0 0 300 i r i 180.40.7.66 0 100 0 300 i *> 208.28.1.64/28 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *> 208.28.1.128/27 208.28.1.1 0 300 200 i * i 208.28.1.130 0 100 0 200 i R3# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#\ sh run | bgp ^ % Invalid input detected at '^' marker. R1#sh run | bgp bgpb bgp router bgp 300 no synchronization bgp router-id 1.1.1.1 bgp log-neighbor-changes network 10.0.0.0 network 180.40.7.64 mask 255.255.255.224 network 180.40.7.128 mask 255.255.255.224 network 208.28.1.0 mask 255.255.255.248 network 208.28.1.64 mask 255.255.255.240 neighbor 17.57.100.2 remote-as 300 neighbor 180.40.7.65 remote-as 100 neighbor 180.40.7.129 remote-as 100 neighbor 208.28.1.2 remote-as 100 neighbor 208.28.1.65 remote-as 200 no auto-summary ! no ip http server ip classless ! ! ! ! ! --More--   R1# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2#sh run | b bgpo  p router bgp 100 no synchronization bgp router-id 2.2.2.2 bgp log-neighbor-changes network 20.0.0.0 network 180.40.7.0 mask 255.255.255.224 neighbor 180.40.7.3 remote-as 100 neighbor 180.40.7.3 route-map FromR3 in neighbor 180.40.7.66 remote-as 300 neighbor 180.40.7.130 remote-as 300 neighbor 208.28.1.130 remote-as 200 no auto-summary ! ip classless ! no ip http server no ip http secure-server ! ! route-map FromR3 permit 10 set ip next-hop peer-address ! ! --More--   R2# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b bgp router bgp 100 no synchronization bgp router-id 3.3.3.3 bgp log-neighbor-changes network 30.0.0.0 neighbor 17.80.1.2 remote-as 100 neighbor 17.80.1.2 route-reflector-client neighbor 17.80.1.2 next-hop-self neighbor 180.40.7.2 remote-as 100 neighbor 208.28.1.1 remote-as 300 no auto-summary ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! --More--   R3# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#sh run | b bgp router bgp 100 no synchronization bgp router-id 4.4.4.4 bgp log-neighbor-changes network 17.80.1.0 mask 255.255.255.0 network 40.0.0.0 neighbor 17.80.1.1 remote-as 100 neighbor 17.80.1.1 route-map FromR3 in no auto-summary ! no ip http server no ip http secure-server ip classless ! ! ! route-map FromR3 permit 10 set ip next-hop peer-address ! ! ! dial-peer cor custom ! --More--   R4# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#sh run | b bgp router bgp 200 no synchronization bgp router-id 5.5.5.5 bgp log-neighbor-changes network 50.0.0.0 network 208.28.1.128 mask 255.255.255.224 neighbor 208.28.1.66 remote-as 300 neighbor 208.28.1.129 remote-as 100 no auto-summary ! ip classless ip http server ip http secure-server ! ! ! control-plane ! ! line con 0 exec-timeout 0 0 logging synchronous line vty 0 4 --More--   S5# RACK15AS>6 [Resuming connection 6 to r6 ... ] S6#sh run | b bgp router bgp 300 no synchronization bgp router-id 6.6.6.6 bgp log-neighbor-changes network 17.57.100.0 mask 255.255.255.0 network 17.57.101.0 mask 255.255.255.0 network 17.57.102.0 mask 255.255.255.0 network 17.57.103.0 mask 255.255.255.0 network 60.0.0.0 neighbor 17.57.100.1 remote-as 300 no auto-summary ! ip classless ip http server ip http secure-server ! ! ! control-plane ! ! line con 0 exec-timeout 0 0 --More--   S6# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#ip as R2(config)#ip as-path acc R2(config)#ip as-path access-list ? <1-500> AS path access list number R2(config)#ip as-path access-list 1 ? deny Specify packets to reject permit Specify packets to forward R2(config)#ip as-path access-list 1 per ? LINE A regular-expression to match BGP AS paths. Use "ctrl-v ?" to enter "?" R2(config)#ip as-path access-list 1 per ^200      (_\1)*$(200(_\1)*$200)(_\1)*$(_\1)*$ R2(config)#route-map R2(config)#route-map Prob2 R2(config-route-map)#match ip as R2(config-route-map)#match ip as? % Unrecognized command R2(config-route-map)#match ip as     as R2(config-route-map)#match as-path ? <1-500> AS path access-list R2(config-route-map)#match as-path 1 R2(config-route-map)#set lo R2(config-route-map)#set local-preference 50 R2(config-route-map)#set local-preference 50match as-path 1 route-map Prob2  20 R2(config-route-map)#router bgp 100 R2(config-router)#nei 208.28.1.130 rout R2(config-router)#nei 208.28.1.130 route-m R2(config-router)#nei 208.28.1.130 route-map Prob2 in R2(config-router)#^Z R2#sh ip *Mar 1 19:46:43.593: %SYS-5-CONFIG_I: Configured from console by console R2#sh ip bgp BGP table version is 21, local router ID is 2.2.2.2 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.101.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.102.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.103.0/24 180.40.7.3 0 100 0 300 i --More--   R2#sh    clea ip bg * in R2#clea ip bg * in R2#clea ip bg * insh ip bgp  BGP table version is 23, local router ID is 2.2.2.2 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.101.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.102.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.103.0/24 180.40.7.3 0 100 0 300 i --More--   R2#sh ip bgp re R2#sh ip bgp regexp _200$ BGP table version is 23, local router ID is 2.2.2.2 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i50.0.0.0 180.40.7.3 0 100 0 300 200 i *> 180.40.7.66 0 300 200 i * 180.40.7.130 0 300 200 i * 208.28.1.130 0 50 0 200 i r i208.28.1.128/27 180.40.7.3 0 100 0 300 200 i r> 180.40.7.66 0 300 200 i r 180.40.7.130 0 300 200 i r 208.28.1.130 0 50 0 200 i R2# R2# R2# R2#sh ip bgp 208.28.1.128 BGP routing table entry for 208.28.1.128/27, version 22 Paths: (4 available, best #2, table Default-IP-Routing-Table, RIB-failure(17)) Advertised to non peer-group peers: 180.40.7.3 180.40.7.130 208.28.1.130 300 200 180.40.7.3 from 180.40.7.3 (3.3.3.3) Origin IGP, metric 0, localpref 100, valid, internal 300 200 180.40.7.66 from 180.40.7.66 (1.1.1.1) Origin IGP, localpref 100, valid, external, best 300 200 180.40.7.130 from 180.40.7.130 (1.1.1.1) Origin IGP, localpref 100, valid, external 200 208.28.1.130 from 208.28.1.130 (5.5.5.5) Origin IGP, metric 0, localpref 50, valid, external R2#sh ip as R2#sh ip as-path-access-list AS path access list 1 permit ^(200)(_\1)*$ R2#sh run | b router g bgop  p router bgp 100 no synchronization bgp router-id 2.2.2.2 bgp log-neighbor-changes network 20.0.0.0 network 180.40.7.0 mask 255.255.255.224 neighbor 180.40.7.3 remote-as 100 neighbor 180.40.7.3 route-map FromR3 in neighbor 180.40.7.66 remote-as 300 neighbor 180.40.7.130 remote-as 300 neighbor 208.28.1.130 remote-as 200 neighbor 208.28.1.130 route-map Prob2 in no auto-summary ! ip classless ! ip as-path access-list 1 permit ^(200)(_\1)*$ no ip http server no ip http secure-server ! ! route-map Prob2 permit 10 match as-path 1 --More--   set local-preference 50 ! route-map Prob2 permit 20 ! route-map FromR3 permit 10 set ip next-hop peer-address ! ! ! ! ! ! dial-peer cor custom ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 --More--   R2# R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#do sh access-list R2(config)#access-list ? <1-99> IP standard access list <100-199> IP extended access list <1000-1099> IPX SAP access list <1100-1199> Extended 48-bit MAC address access list <1200-1299> IPX summary address access list <1300-1999> IP standard access list (expanded range) <200-299> Protocol type-code access list <2000-2699> IP extended access list (expanded range) <300-399> DECnet access list <600-699> Appletalk access list <700-799> 48-bit MAC address access list <800-899> IPX standard access list <900-999> IPX extended access list dynamic-extended Extend the dynamic ACL absolute timer rate-limit Simple rate-limit specific access list R2(config)#access-list 1 per 17.57.100.0 R2(config)#access-list 1 per 17.57.100.0.0 1.0 per 17.57.101.0 2 per 17.57.101.0 R2(config)#route-map Prob3a R2(config-route-map)#match ip add 1 R2(config-route-map)#set we R2(config-route-map)#set weight 100 R2(config-route-map)#set weight 100match ip add 1route-map Prob3aaccess-list 2 per 17.57.101.0route-map Prob3a  20 R2(config-route-map)#route-map Prob3a 20set weight 100 match ip add 1route-map Prob3a b R2(config-route-map)#route-map Prob3ba 20set weight 100 match ip add 1 2 R2(config-route-map)#match ip add 2route-map Prob3ba 20set weight 100    999 R2(config-route-map)#set weight 999match ip add 2route-map Prob3b 20 R2(config-route-map)#router bgp 100 R2(config-router)#nei 180.40.7.130 route R2(config-router)#nei 180.40.7.130 route-m R2(config-router)#nei 180.40.7.130 route-map Prob3b in R2(config-router)#nei 180.40.7.130 route-map Prob3b in in a in route-map Prob3a in  route-map Prob3a in  route-map Prob3a in 6 route-map Prob3a in6 route-map Prob3a in R2(config-router)#^Z R2#sh *Mar 1 19:53:34.314: %SYS-5-CONFIG_I: Configured from console by console R2#sh ip bgp BGP table version is 23, local router ID is 2.2.2.2 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.101.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.102.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.103.0/24 180.40.7.3 0 100 0 300 i --More--   Network Next Hop Metric LocPrf Weight Path * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i *>i17.80.1.0/24 180.40.7.3 0 100 0 i *> 20.0.0.0 0.0.0.0 0 32768 i *>i30.0.0.0 180.40.7.3 0 100 0 i *>i40.0.0.0 180.40.7.3 0 100 0 i * i50.0.0.0 180.40.7.3 0 100 0 300 200 i *> 180.40.7.66 0 300 200 i * 180.40.7.130 0 300 200 i * 208.28.1.130 0 50 0 200 i * i60.0.0.0 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i *> 180.40.7.0/27 0.0.0.0 0 32768 i r i180.40.7.64/27 180.40.7.3 0 100 0 300 i r 180.40.7.130 0 0 300 i r 208.28.1.130 0 200 300 i r> 180.40.7.66 0 0 300 i r i180.40.7.128/27 180.40.7.3 0 100 0 300 i r 180.40.7.130 0 0 300 i --More--   R2#s clea ip bgp & * ui  in R2#clea ip bgp * insh ip bgp  BGP table version is 25, local router ID is 2.2.2.2 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 100 300 i * i17.57.101.0/24 180.40.7.3 0 100 0 300 i *> 180.40.7.130 999 300 i * 208.28.1.130 0 200 300 i * 180.40.7.66 0 300 i * i17.57.102.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.66 0 300 i * i17.57.103.0/24 180.40.7.3 0 100 0 300 i --More--   R2#sh run | b router router bgp 100 no synchronization bgp router-id 2.2.2.2 bgp log-neighbor-changes network 20.0.0.0 network 180.40.7.0 mask 255.255.255.224 neighbor 180.40.7.3 remote-as 100 neighbor 180.40.7.3 route-map FromR3 in neighbor 180.40.7.66 remote-as 300 neighbor 180.40.7.66 route-map Prob3a in neighbor 180.40.7.130 remote-as 300 neighbor 180.40.7.130 route-map Prob3b in neighbor 208.28.1.130 remote-as 200 neighbor 208.28.1.130 route-map Prob2 in no auto-summary ! ip classless ! ip as-path access-list 1 permit ^(200)(_\1)*$ no ip http server no ip http secure-server ! access-list 1 permit 17.57.100.0 --More--  access-list 2 permit 17.57.101.0 ! route-map Prob2 permit 10 match as-path 1 set local-preference 50 ! route-map Prob2 permit 20 ! route-map FromR3 permit 10 set ip next-hop peer-address ! route-map Prob3a permit 10 match ip address 1 set weight 100 ! route-map Prob3a permit 20 ! route-map Prob3b permit 10 match ip address 2 set weight 999 ! route-map Prob3b permit 20 ! --More--  ! --More--  ! --More--   R2# R2# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#conf    sh access-list R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#access-list 1 per 17.57.102.0 R1(config)#route-map ToS5 R1(config-route-map)#match ip add 1 R1(config-route-map)#set as R1(config-route-map)#set as-path p R1(config-route-map)#set as-path prepend ? <1-65535> AS number last-as Prepend last AS to the as-path R1(config-route-map)#set as-path prepend 300 300 300 R1(config-route-map)#set as-path prepend 300 300 300 match ip add 1 route-map ToS5 20 R1(config-route-map)#router bgp 300 R1(config-router)#nei 208.28.1.65 route R1(config-router)#nei 208.28.1.65 route-m R1(config-router)#nei 208.28.1.65 route-map ToS5 out R1(config-router)#^Z R1#c *Mar 1 19:59:22.594: %SYS-5-CONFIG_I: Configured from console by console R1#clea ip bgp * out R1#^x5 % Unknown command or computer name, or unable to find computer address R1# R1# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 5 subnets B 17.80.1.0 [20/0] via 208.28.1.129, 00:25:18 B 17.57.100.0 [20/0] via 208.28.1.66, 00:39:48 B 17.57.101.0 [20/0] via 208.28.1.66, 00:39:48 B 17.57.102.0 [20/0] via 208.28.1.129, 00:00:10 B 17.57.103.0 [20/0] via 208.28.1.66, 00:39:48 C 50.0.0.0/8 is directly connected, Loopback99 B 20.0.0.0/8 [20/0] via 208.28.1.129, 00:38:57 B 40.0.0.0/8 [20/0] via 208.28.1.129, 00:25:18 B 10.0.0.0/8 [20/0] via 208.28.1.66, 00:39:48 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 --More--   S5#sh ip routete       bgp BGP table version is 27, local router ID is 5.5.5.5 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * 10.0.0.0 208.28.1.129 0 100 300 i *> 208.28.1.66 0 0 300 i * 17.57.100.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i * 17.57.101.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i *> 17.57.102.0/24 208.28.1.129 0 100 300 i * 208.28.1.66 0 300 300 300 300 i * 17.57.103.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i *> 17.80.1.0/24 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i * 20.0.0.0 208.28.1.66 0 300 100 i *> 208.28.1.129 0 0 100 i * 30.0.0.0 208.28.1.66 0 300 100 i *> 208.28.1.129 0 100 i *> 40.0.0.0 208.28.1.129 0 100 i --More--   S5# RACK15AS>5 1 [Resuming connection 1 to r1 ... ] R1#sh run | b router router bgp 300 no synchronization bgp router-id 1.1.1.1 bgp log-neighbor-changes network 10.0.0.0 network 180.40.7.64 mask 255.255.255.224 network 180.40.7.128 mask 255.255.255.224 network 208.28.1.0 mask 255.255.255.248 network 208.28.1.64 mask 255.255.255.240 neighbor 17.57.100.2 remote-as 300 neighbor 180.40.7.65 remote-as 100 neighbor 180.40.7.129 remote-as 100 neighbor 208.28.1.2 remote-as 100 neighbor 208.28.1.65 remote-as 200 neighbor 208.28.1.65 route-map ToS5 out no auto-summary ! no ip http server ip classless ! ! access-list 1 permit 17.57.102.0 ! --More--  route-map ToS5 permit 10 match ip address 1 set as-path prepend 300 300 300 ! route-map ToS5 permit 20 ! ! ! ! dial-peer cor custom ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 login ! ! end --More--   R1# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip bgp 17.57.102.0 BGP routing table entry for 17.57.102.0/24, version 5 Paths: (2 available, best #1, table Default-IP-Routing-Table) Advertised to non peer-group peers: 17.80.1.2 180.40.7.2 300 208.28.1.1 from 208.28.1.1 (1.1.1.1) Origin IGP, localpref 100, valid, external, best 300 180.40.7.66 from 180.40.7.2 (2.2.2.2) Origin IGP, metric 0, localpref 100, valid, internal R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router bgp 1000 BGP is already running; AS is 100 R3(config)#router bgp 1000  R3(config-router)#bgp ? always-compare-med Allow comparing MED from different neighbors bestpath Change the default bestpath selection client-to-client Configure client to client route reflection cluster-id Configure Route-Reflector Cluster-id (peers may reset) confederation AS confederation parameters dampening Enable route-flap dampening default Configure BGP defaults deterministic-med Pick the best-MED path among paths advertised from the neighboring AS dmzlink-bw Use DMZ Link Bandwidth as weight for BGP multipaths enforce-first-as Enforce the first AS for EBGP routes(default) fast-external-fallover Immediately reset session if a link to a directly connected external peer goes down graceful-restart Graceful restart capability parameters inject-map Routemap which specifies prefixes to inject log-neighbor-changes Log neighbor up/down and reset reason maxas-limit Allow AS-PATH attribute from any neighbor imposing a limit on number of ASes redistribute-internal Allow redistribution of iBGP into IGPs (dangerous) router-id Override configured router identifier (peers will reset) --More--   R3(config-router)#bgp bse  e R3(config-router)#bgp bestpath ? compare-routerid Compare router-id for identical EBGP paths med MED attribute R3(config-router)#bgp bestpath med ? confed Compare MED among confederation paths missing-as-worst Treat missing MED as the least preferred one R3(config-router)#bgp bestpath med mi R3(config-router)#bgp bestpath med missing-as-worst ? R3(config-router)#bgp bestpath med missing-as-worst R3(config-router)#^Z R3# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#co   RACK15AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router bgp 100 R2(config-router)#bgp bestpath med missing-as-worst R2(config-router)#^Z R2#sh ip bgp *Mar 1 20:01:15.046: %SYS-5-CONFIG_I: Configured from console by console R2#sh ip bgp BGP table version is 25, local router ID is 2.2.2.2 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 180.40.7.3 0 100 0 300 i * 180.40.7.130 0 0 300 i * 208.28.1.130 4294967295 0 200 300 i *> 180.40.7.66 0 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 4294967295 0 300 i * 208.28.1.130 4294967295 0 200 300 i *> 180.40.7.66 4294967295 100 300 i * i17.57.101.0/24 180.40.7.3 0 100 0 300 i *> 180.40.7.130 4294967295 999 300 i * 208.28.1.130 4294967295 0 200 300 i * 180.40.7.66 4294967295 0 300 i * i17.57.102.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 4294967295 0 300 i *> 180.40.7.66 4294967295 0 300 i * i17.57.103.0/24 180.40.7.3 0 100 0 300 i * 180.40.7.130 4294967295 0 300 i --More--   Network Next Hop Metric LocPrf Weight Path * 208.28.1.130 4294967295 0 200 300 i *> 180.40.7.66 4294967295 0 300 i *>i17.80.1.0/24 180.40.7.3 0 100 0 i *> 20.0.0.0 0.0.0.0 0 32768 i *>i30.0.0.0 180.40.7.3 0 100 0 i *>i40.0.0.0 180.40.7.3 0 100 0 i * i50.0.0.0 180.40.7.3 0 100 0 300 200 i *> 180.40.7.66 4294967295 0 300 200 i * 180.40.7.130 4294967295 0 300 200 i * 208.28.1.130 0 50 0 200 i * i60.0.0.0 180.40.7.3 0 100 0 300 i * 180.40.7.130 4294967295 0 300 i * 208.28.1.130 4294967295 0 200 300 i *> 180.40.7.66 4294967295 0 300 i *> 180.40.7.0/27 0.0.0.0 0 32768 i r i180.40.7.64/27 180.40.7.3 0 100 0 300 i r 180.40.7.130 0 0 300 i r 208.28.1.130 4294967295 0 200 300 i r> 180.40.7.66 0 0 300 i r i180.40.7.128/27 180.40.7.3 0 100 0 300 i r 180.40.7.130 0 0 300 i r 208.28.1.130 4294967295 0 200 300 i --More--   R2#cleaip     ip bgp * R2# RACK15AS>3 [Resuming connection 3 to r3 ... ] *Ma R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)# *Mar 1 20:01:31.248: %BGP-5-ADJCHANGE: neighbor 180.40.7.2 Down Peer closed the session R3(config)#^Z R3#clea *Mar 1 20:01:33.876: %SYS-5-CONFIG_I: Configured from console by console R3#clea ip bgp * R3# *Mar 1 20:01:37.422: %BGP-5-ADJCHANGE: neighbor 17.80.1.2 Down User reset *Mar 1 20:01:37.422: %BGP-5-ADJCHANGE: neighbor 208.28.1.1 Down User reset R3# RACK15AS>1 [Resuming connection 1 to r1 ... ] *M R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router -map Prob5 R1(config-route-map)#match *Mar 1 20:03:20.263: %BGP-5-ADJCHANGE: neighbor 180.40.7.65 Up R1(config-route-map)#match ip add 1 R1(config-route-map)# *Mar 1 20:03:24.238: %BGP-5-ADJCHANGE: neighbor 180.40.7.129 Up *Mar 1 20:03:24.947: %BGP-5-ADJCHANGE: neighbor 208.28.1.2 Up R1(config-route-map)#set me R1(config-route-map)#set metric ? +/- Add or subtract metric <0-4294967295> Metric value or Bandwidth in Kbits per second R1(config-route-map)#set metric 11111 R1(config-route-map)#set metric 11111match ip add 1 route-map Prob5 20 R1(config-route-map)#router bgp 300 R1(config-router)#nei 230  08.28.1.2 route R1(config-router)#nei 208.28.1.2 route-m R1(config-router)#nei 208.28.1.2 route-map Prob5 out R1(config-router)#^Z R1#clea *Mar 1 20:04:32.301: %SYS-5-CONFIG_I: Configured from console by console R1#clea ip bgp * out R1# RACK15AS>3 [Resuming connection 3 to r3 ... ] *Ma R3#sh ip bgpo    BGP table version is 22, local router ID is 3.3.3.3 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 10.0.0.0 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *> 17.57.100.0/24 208.28.1.1 4294967295 0 300 i * i 180.40.7.66 4294967295 100 0 300 i *> 17.57.101.0/24 208.28.1.1 4294967295 0 300 i * i 180.40.7.130 4294967295 100 0 300 i *> 17.57.102.0/24 208.28.1.1 11111 0 300 i *> 17.57.103.0/24 208.28.1.1 4294967295 0 300 i * i 180.40.7.66 4294967295 100 0 300 i r>i17.80.1.0/24 17.80.1.2 0 100 0 i *>i20.0.0.0 180.40.7.2 0 100 0 i *> 30.0.0.0 0.0.0.0 0 32768 i *>i40.0.0.0 17.80.1.2 0 100 0 i *> 50.0.0.0 208.28.1.1 4294967295 0 300 200 i * i 180.40.7.66 4294967295 100 0 300 200 i *> 60.0.0.0 208.28.1.1 4294967295 0 300 i * i 180.40.7.66 4294967295 100 0 300 i --More--   R3# RACK15AS>2 [Resuming connection 2 to r2 ... ] *M R2#sh ip bgp BGP table version is 22, local router ID is 2.2.2.2 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 180.40.7.3 0 100 0 300 i * 208.28.1.130 4294967295 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i * i17.57.100.0/24 180.40.7.3 4294967295 100 0 300 i * 208.28.1.130 4294967295 0 200 300 i * 180.40.7.130 4294967295 0 300 i *> 180.40.7.66 4294967295 100 300 i * i17.57.101.0/24 180.40.7.3 4294967295 100 0 300 i * 208.28.1.130 4294967295 0 200 300 i *> 180.40.7.130 4294967295 999 300 i * 180.40.7.66 4294967295 0 300 i *>i17.57.102.0/24 180.40.7.3 11111 100 0 300 i * 180.40.7.130 4294967295 0 300 i * 180.40.7.66 4294967295 0 300 i * i17.57.103.0/24 180.40.7.3 4294967295 100 0 300 i * 208.28.1.130 4294967295 0 200 300 i --More--   R2# RACK15AS> [Resuming connection 2 to r2 ... ] R2# R2#sh run | b bgp router bgp 100 no synchronization bgp router-id 2.2.2.2 bgp log-neighbor-changes bgp bestpath med missing-as-worst network 20.0.0.0 network 180.40.7.0 mask 255.255.255.224 neighbor 180.40.7.3 remote-as 100 neighbor 180.40.7.3 route-map FromR3 in neighbor 180.40.7.66 remote-as 300 neighbor 180.40.7.66 route-map Prob3a in neighbor 180.40.7.130 remote-as 300 neighbor 180.40.7.130 route-map Prob3b in neighbor 208.28.1.130 remote-as 200 neighbor 208.28.1.130 route-map Prob2 in no auto-summary ! ip classless ! ip as-path access-list 1 permit ^(200)(_\1)*$ no ip http server no ip http secure-server ! --More--   R2# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#sh ru |     un | b bgp router bgp 300 no synchronization bgp router-id 1.1.1.1 bgp log-neighbor-changes network 10.0.0.0 network 180.40.7.64 mask 255.255.255.224 network 180.40.7.128 mask 255.255.255.224 network 208.28.1.0 mask 255.255.255.248 network 208.28.1.64 mask 255.255.255.240 neighbor 17.57.100.2 remote-as 300 neighbor 180.40.7.65 remote-as 100 neighbor 180.40.7.129 remote-as 100 neighbor 208.28.1.2 remote-as 100 neighbor 208.28.1.2 route-map Prob5 out neighbor 208.28.1.65 remote-as 200 neighbor 208.28.1.65 route-map ToS5 out no auto-summary ! no ip http server ip classless ! ! access-list 1 permit 17.57.102.0 --More--  ! route-map Prob5 permit 10 match ip address 1 set metric 11111 ! route-map Prob5 permit 20 ! route-map ToS5 permit 10 match ip address 1 set as-path prepend 300 300 300 ! route-map ToS5 permit 20 ! ! ! ! dial-peer cor custom ! ! ! ! line con 0 exec-timeout 0 0 --More--   R1# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b bgp router bgp 100 no synchronization bgp router-id 3.3.3.3 bgp log-neighbor-changes bgp bestpath med missing-as-worst network 30.0.0.0 neighbor 17.80.1.2 remote-as 100 neighbor 17.80.1.2 route-reflector-client neighbor 17.80.1.2 next-hop-self neighbor 180.40.7.2 remote-as 100 neighbor 208.28.1.1 remote-as 300 no auto-summary ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! --More--   R3# R3# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#access-list 2 den 17.57.103.0 R1(config)#access-list 2 den 17.57.103.0               per any R1(config)#access-list 2 per anyden 17.57.103.0 17.57.103.0  17.57.103.0  17.57.103.0 17.57.103.0  17.57.103.0 3 17.57.103.0 17.57.103.0p 17.57.103.0e 17.57.103.0r 17.57.103.0 R1(config)#router bgp 300 R1(config-router)#nei 208.28.1.3   2 rout    dis R1(config-router)#nei 208.28.1.2 distr R1(config-router)#nei 208.28.1.2 distribute-list 2 out R1(config-router)#nei 208.28.1.2 distribute-list 2 out distribute-list 2 out  distribute-list 2 out  distribute-list 2 out  distribute-list 2 out  distribute-list 2 out  distribute-list 2 out  distribute-list 2 out  distribute-list 2 out  distribute-list 2 out  distribute-list 2 out 1 distribute-list 2 out8 distribute-list 2 out0 distribute-list 2 out. distribute-list 2 out4 distribute-list 2 out0 distribute-list 2 out. distribute-list 2 out7 distribute-list 2 out. distribute-list 2 out1 distribute-list 2 out3 distribute-list 2 out0 distribute-list 2 out distribute-list 2 out  distribute-list 2 out 2 distribute-list 2 out9 distribute-list 2 out R1(config-router)#nei 180.40.7.129 distribute-list 2 out distribute-list 2 out  distribute-list 2 out  distribute-list 2 out 6 distribute-list 2 out5 distribute-list 2 out R1(config-router)#exit R1(config)#routre  e  -map ToS5 20 R1(config-route-map)#match ip add 3 R1(config-route-map)#set com R1(config-route-map)#set commu R1(config-route-map)#set community ? <1-4294967295> community number aa:nn community number in aa:nn format additive Add to the existing community internet Internet (well-known community) local-AS Do not send outside local AS (well-known community) no-advertise Do not advertise to any peer (well-known community) no-export Do not export to next AS (well-known community) none No community attribute R1(config-route-map)#set community no-export R1(config-route-map)#set community no-export match ip add 3 route-map ToS5 20  30 R1(config-route-map)#do clea ip bgp * out R1(config-route-map)# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sj   h ip bgp BGP table version is 24, local router ID is 3.3.3.3 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 10.0.0.0 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *> 17.57.100.0/24 208.28.1.1 4294967295 0 300 i * i 180.40.7.66 4294967295 100 0 300 i *> 17.57.101.0/24 208.28.1.1 4294967295 0 300 i * i 180.40.7.130 4294967295 100 0 300 i *> 17.57.102.0/24 208.28.1.1 11111 0 300 i *>i17.57.103.0/24 208.28.1.130 4294967295 100 0 200 300 i r>i17.80.1.0/24 17.80.1.2 0 100 0 i *>i20.0.0.0 180.40.7.2 0 100 0 i *> 30.0.0.0 0.0.0.0 0 32768 i *>i40.0.0.0 17.80.1.2 0 100 0 i *> 50.0.0.0 208.28.1.1 4294967295 0 300 200 i * i 180.40.7.66 4294967295 100 0 300 200 i *> 60.0.0.0 208.28.1.1 4294967295 0 300 i * i 180.40.7.66 4294967295 100 0 300 i r>i180.40.7.0/27 180.40.7.2 0 100 0 i --More--   Network Next Hop Metric LocPrf Weight Path *> 180.40.7.64/27 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *> 180.40.7.128/27 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i r> 208.28.1.0/29 208.28.1.1 0 0 300 i r i 180.40.7.66 0 100 0 300 i *> 208.28.1.64/28 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *> 208.28.1.128/27 208.28.1.1 4294967295 0 300 200 i * i 180.40.7.66 4294967295 100 0 300 200 i R3# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2#sh ip bgp BGP table version is 24, local router ID is 2.2.2.2 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 180.40.7.3 0 100 0 300 i * 208.28.1.130 4294967295 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i * i17.57.100.0/24 180.40.7.3 4294967295 100 0 300 i * 208.28.1.130 4294967295 0 200 300 i * 180.40.7.130 4294967295 0 300 i *> 180.40.7.66 4294967295 100 300 i * i17.57.101.0/24 180.40.7.3 4294967295 100 0 300 i * 208.28.1.130 4294967295 0 200 300 i *> 180.40.7.130 4294967295 999 300 i * 180.40.7.66 4294967295 0 300 i *>i17.57.102.0/24 180.40.7.3 11111 100 0 300 i * 180.40.7.130 4294967295 0 300 i * 180.40.7.66 4294967295 0 300 i *> 17.57.103.0/24 208.28.1.130 4294967295 0 200 300 i *>i17.80.1.0/24 180.40.7.3 0 100 0 i --More--  *> 20.0.0.0 0.0.0.0 0 32768 i --More--  *>i30.0.0.0 180.40.7.3 0 100 0 i --More--  *>i40.0.0.0 180.40.7.3 0 100 0 i --More--  * i50.0.0.0 180.40.7.3 4294967295 100 0 300 200 i --More--  * 208.28.1.130 0 50 0 200 i --More--  * 180.40.7.130 4294967295 0 300 200 i --More-- RACK15AS>5 [Resuming connection 5 to r5 ... ] 20:04:40: %BGP- S5#sh ip bgp BGP table version is 47, local router ID is 5.5.5.5 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * 10.0.0.0 208.28.1.129 0 100 300 i *> 208.28.1.66 0 0 300 i * 17.57.100.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i * 17.57.101.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i *> 17.57.102.0/24 208.28.1.129 0 100 300 i * 208.28.1.66 0 300 300 300 300 i *> 17.57.103.0/24 208.28.1.66 0 300 i *> 17.80.1.0/24 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i * 20.0.0.0 208.28.1.66 0 300 100 i *> 208.28.1.129 0 0 100 i *> 30.0.0.0 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i *> 40.0.0.0 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i --More--   S5#sh ip bgp ? A.B.C.D IP prefix /, e.g., 35.0.0.0/8 A.B.C.D Network in the BGP routing table to display all All address families cidr-only Display only routes with non-natural netmasks community Display routes matching the communities community-list Display routes matching the community-list dampening Display detailed information about dampening extcommunity-list Display routes matching the extcommunity-list filter-list Display routes conforming to the filter-list inconsistent-as Display only routes with inconsistent origin ASs injected-paths Display all injected paths ipv4 Address family ipv6 Address family labels Display Labels for IPv4 NLRI specific information neighbors Detailed information on TCP and BGP neighbor connections paths Path information peer-group Display information on peer-groups prefix-list Display routes matching the prefix-list quote-regexp Display routes matching the AS path "regular expression" regexp Display routes matching the AS path regular expression replication Display replication status of update-group(s) rib-failure Display bgp routes that failed to install in the routing --More--   S5#sh ip bgp com S5#sh ip bgp community S5#sh ip bgp community ? <1-4294967295> community number exact-match Exact match of the communities local-AS Do not send outside local AS (well-known community) no-advertise Do not advertise to any peer (well-known community) no-export Do not export to next AS (well-known community) | Output modifiers S5#sh ip bgp community no-e S5#sh ip bgp 17.80.103.0 % Network not in table S5#sh ip bgp 17.80.103.0.103.0 .103.0 5.103.07.103.0 BGP routing table entry for 17.57.103.0/24, version 6 Paths: (1 available, best #1, table Default-IP-Routing-Table) Advertised to update-groups: 1 300 208.28.1.66 from 208.28.1.66 (1.1.1.1) Origin IGP, localpref 100, valid, external, best S5# S5# S5# S5# S5# S5# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1(config-route-map)#router bgp 300 R1(config-router)#nei 208.28.1.65 sen R1(config-router)#nei 208.28.1.65 send-com R1(config-router)#nei 208.28.1.65 send-community ? both Send Standard and Extended Community attributes extended Send Extended Community attribute standard Send Standard Community attribute R1(config-router)#nei 208.28.1.65 send-community R1(config-router)#^Z R1#clea *Mar 1 20:12:49.761: %SYS-5-CONFIG_I: Configured from console by console R1#clea ip bgp * out R1# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#sh ip bgp 17.57.103.0 BGP routing table entry for 17.57.103.0/24, version 48 Paths: (1 available, best #1, table Default-IP-Routing-Table, not advertised to EBGP peer) Flag: 0x880 Not advertised to any peer 300 208.28.1.66 from 208.28.1.66 (1.1.1.1) Origin IGP, localpref 100, valid, external, best Community: no-export S5# S5# S5# S5# S5# RACK15AS>2 [Resuming connection 2 to r2 ... ]   R2#[A % Unknown command or computer name, or unable to find computer address R2#[Ash ip bgp BGP table version is 25, local router ID is 2.2.2.2 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 180.40.7.3 0 100 0 300 i * 208.28.1.130 4294967295 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i * i17.57.100.0/24 180.40.7.3 4294967295 100 0 300 i * 208.28.1.130 4294967295 0 200 300 i * 180.40.7.130 4294967295 0 300 i *> 180.40.7.66 4294967295 100 300 i * i17.57.101.0/24 180.40.7.3 4294967295 100 0 300 i * 208.28.1.130 4294967295 0 200 300 i *> 180.40.7.130 4294967295 999 300 i * 180.40.7.66 4294967295 0 300 i *>i17.57.102.0/24 180.40.7.3 11111 100 0 300 i * 180.40.7.130 4294967295 0 300 i * 180.40.7.66 4294967295 0 300 i *>i17.80.1.0/24 180.40.7.3 0 100 0 i *> 20.0.0.0 0.0.0.0 0 32768 i --More--  *>i30.0.0.0 180.40.7.3 0 100 0 i --More--  *>i40.0.0.0 180.40.7.3 0 100 0 i --More--  * i50.0.0.0 180.40.7.3 4294967295 100 0 300 200 i --More--  * 208.28.1.130 0 50 0 200 i --More--  * 180.40.7.130 4294967295 0 300 200 i --More--  *> 180.40.7.66 4294967295 0 300 200 i --More--   R2# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#sh run | b router router bgp 300 no synchronization bgp router-id 1.1.1.1 bgp log-neighbor-changes network 10.0.0.0 network 180.40.7.64 mask 255.255.255.224 network 180.40.7.128 mask 255.255.255.224 network 208.28.1.0 mask 255.255.255.248 network 208.28.1.64 mask 255.255.255.240 neighbor 17.57.100.2 remote-as 300 neighbor 180.40.7.65 remote-as 100 neighbor 180.40.7.65 distribute-list 2 out neighbor 180.40.7.129 remote-as 100 neighbor 180.40.7.129 distribute-list 2 out neighbor 208.28.1.2 remote-as 100 neighbor 208.28.1.2 distribute-list 2 out neighbor 208.28.1.2 route-map Prob5 out neighbor 208.28.1.65 remote-as 200 neighbor 208.28.1.65 send-community neighbor 208.28.1.65 route-map ToS5 out no auto-summary ! no ip http server --More--  ip classless ! ! access-list 1 permit 17.57.102.0 access-list 2 deny 17.57.103.0 access-list 2 permit any access-list 3 permit 17.57.103.0 ! route-map Prob5 permit 10 match ip address 1 set metric 11111 ! route-map Prob5 permit 20 ! route-map ToS5 permit 10 match ip address 1 set as-path prepend 300 300 300 ! route-map ToS5 permit 20 match ip address 3 set community no-export ! route-map ToS5 permit 30 --More--  ! --More--  ! --More--  ! --More--  ! --More--   R1# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router bgp 100 R3(config-router)#nei R3(config-router)#neighbor ? A.B.C.D Neighbor address WORD Neighbor tag X:X:X:X::X Neighbor IPv6 address R3(config-router)#neighbor InsideAS100 ? activate Enable the Address Family for this Neighbor advertise-map specify route-map for conditional advertisement advertisement-interval Minimum interval between sending BGP routing updates allowas-in Accept as-path with my AS present in it capability Advertise capability to the peer default-originate Originate default route to this neighbor description Neighbor specific description disable-connected-check One-hop away EBGP peer using loopback address distribute-list Filter updates to/from this neighbor dmzlink-bw Propagate the DMZ link bandwidth ebgp-multihop Allow EBGP neighbors not on directly connected networks filter-list Establish BGP filters local-as Specify a local-as number maximum-prefix Maximum number of prefixes accepted from this peer next-hop-self Disable the next hop calculation for this neighbor next-hop-unchanged Propagate the iBGP paths's next hop unchanged for this neighbor password Set a password peer-group Configure peer-group prefix-list Filter updates to/from this neighbor remote-as Specify a BGP neighbor --More--   R3(config-router)#neighbor InsideAS100 peer R3(config-router)#neighbor InsideAS100 peer-group ? nlri Specify nlri type supported by peer-group R3(config-router)#neighbor InsideAS100 peer-group R3(config-router)#do shr  run | b bgp router bgp 100 no synchronization bgp router-id 3.3.3.3 bgp log-neighbor-changes bgp bestpath med missing-as-worst network 30.0.0.0 neighbor InsideAS100 peer-group neighbor 17.80.1.2 remote-as 100 neighbor 17.80.1.2 route-reflector-client neighbor 17.80.1.2 next-hop-self neighbor 180.40.7.2 remote-as 100 neighbor 208.28.1.1 remote-as 300 no auto-summary ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! --More--   R3(config-router)#nei 17.80.1.2 peer R3(config-router)#nei 17.80.1.2 peer-group InsideAS100 R3(config-router)# *Mar 1 20:15:29.170: %BGP-5-ADJCHANGE: neighbor 17.80.1.2 Down Member added to peergroup R3(config-router)#do sh run | b bgp router bgp 100 no synchronization bgp router-id 3.3.3.3 bgp log-neighbor-changes bgp bestpath med missing-as-worst network 30.0.0.0 neighbor InsideAS100 peer-group neighbor 17.80.1.2 remote-as 100 neighbor 17.80.1.2 peer-group InsideAS100 neighbor 180.40.7.2 remote-as 100 neighbor 208.28.1.1 remote-as 300 no auto-summary ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! --More--   R3(config-router)#do sh run | b bgp do sh run | b bgpnei 17.80.1.2 peer-group InsideAS100 peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  *Mar 1 20:15:57.452: %BGP-5-ADJCHANGE: neighbor 17.80.1.2 Up R3(config-router)#nei peer-group InsideAS1002 peer-group InsideAS1000 peer-group InsideAS1008 peer-group InsideAS100. peer-group InsideAS1002 peer-group InsideAS1008 peer-group InsideAS100. peer-group InsideAS1001 peer-group InsideAS100. peer-group InsideAS1001 peer-group InsideAS100 % Peer with AS 300 cannot be in this peergroup, members must be all internal or all external R3(config-router)#nei 208.28.1.1 peer-group InsideAS100 peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100  peer-group InsideAS100 1 peer-group InsideAS1008 peer-group InsideAS1000 peer-group InsideAS100. peer-group InsideAS1004 peer-group InsideAS1000 peer-group InsideAS100. peer-group InsideAS1007 peer-group InsideAS100. peer-group InsideAS1002 peer-group InsideAS100 R3(config-router)# *Mar 1 20:16:17.148: %BGP-5-ADJCHANGE: neighbor 180.40.7.2 Down Member added to peergroup R3(config-router)#nei 30    InsideAS100 remote R3(config-router)#nei InsideAS100 remote-as 100 R3(config-router)# *Mar 1 20:16:42.774: %BGP-5-ADJCHANGE: neighbor 180.40.7.2 Up R3(config-router)#nei InsideAS100 remote-as 100             re R3(config-router)#nei InsideAS100 remo   ou R3(config-router)#nei InsideAS100 route-r R3(config-router)#nei InsideAS100 route-reflector-client R3(config-router)# *Mar 1 20:16:54.333: %BGP-5-ADJCHANGE: neighbor 180.40.7.2 Down RR client config change R3(config-router)#do sh run | b bgp router bgp 100 no synchronization bgp router-id 3.3.3.3 bgp log-neighbor-changes bgp bestpath med missing-as-worst network 30.0.0.0 neighbor InsideAS100 peer-group neighbor InsideAS100 remote-as 100 neighbor InsideAS100 route-reflector-client neighbor 17.80.1.2 peer-group InsideAS100 neighbor 180.40.7.2 peer-group InsideAS100 neighbor 208.28.1.1 remote-as 300 no auto-summary ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! --More-- *Mar 1 20:17:20.681: %BGP-5-ADJCHANGE: neighbor 180.40.7.2 Up --More--   R3(config-router)#q  R3# *Mar 1 20:18:57.928: %SYS-5-CONFIG_I: Configured from console by console R3# RACK15AS>4 [Resuming connection 4 to r4 ... ] 16 R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#rouert     ter bgp 100 R4(config-router)#arrg   R4(config-router)#arg R4(config-router)#arg  g R4(config-router)#aggregate-address 17.80.0.0 mass k 255.255.254.0 ^ % Invalid input detected at '^' marker. R4(config-router)#aggregate-address 17.80.0.0 mask 255.255.254.0255.255.254.0 255.255.254.0 255.255.254.0 255.255.254.0 255.255.254.0  R4(config-router)#^Z R4# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip bgpo  p BGP table version is 41, local router ID is 3.3.3.3 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i10.0.0.0 180.40.7.66 0 100 0 300 i *> 208.28.1.1 0 0 300 i * i17.57.100.0/24 180.40.7.66 4294967295 100 0 300 i *> 208.28.1.1 4294967295 0 300 i * i17.57.101.0/24 180.40.7.130 4294967295 100 0 300 i *> 208.28.1.1 4294967295 0 300 i *> 17.57.102.0/24 208.28.1.1 11111 0 300 i *>i17.80.0.0/23 17.80.1.2 0 100 0 i r>i17.80.1.0/24 17.80.1.2 0 100 0 i *>i20.0.0.0 180.40.7.2 0 100 0 i *> 30.0.0.0 0.0.0.0 0 32768 i *>i40.0.0.0 17.80.1.2 0 100 0 i * i50.0.0.0 180.40.7.66 4294967295 100 0 300 200 i *> 208.28.1.1 4294967295 0 300 200 i * i60.0.0.0 180.40.7.66 4294967295 100 0 300 i *> 208.28.1.1 4294967295 0 300 i r>i180.40.7.0/27 180.40.7.2 0 100 0 i --More--   R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#ip pr R3(config)#ip prefix-list ? WORD Name of a prefix list sequence-number Include/exclude sequence numbers in NVGEN R3(config)#ip prefix-list Prt  rob  8 ? deny Specify packets to reject description Prefix-list specific description permit Specify packets to forward seq sequence number of an entry R3(config)#ip prefix-list Prob8 den ? A.B.C.D IP prefix /, e.g., 35.0.0.0/8 R3(config)#ip prefix-list Prob8 den 17.380   80.0.0  /16 ge 24 R3(config)#ip pr R3(config)#ip prefix-list Prob8 poer     er any   0.0.0.0/0 le 32 R3(config)# R3(config)# R3(config)# R3(config)# R3(config)#router bgp 100 R3(config-router)#nei 208.28.1.1 pr R3(config-router)#nei 208.28.1.1 prefix-list Prob8 out R3(config-router)#^Z R3#cela *Mar 1 20:22:38.522: %SYS-5-CONFIG_I: Configured from console by console R3#cela   lea ip bgp * out R3# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip bgp BGP table version is 52, local router ID is 1.1.1.1 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 10.0.0.0 0.0.0.0 0 32768 i r>i17.57.100.0/24 17.57.100.2 0 100 0 i *>i17.57.101.0/24 17.57.100.2 0 100 0 i *>i17.57.102.0/24 17.57.100.2 0 100 0 i *>i17.57.103.0/24 17.57.100.2 0 100 0 i * 17.80.0.0/23 180.40.7.65 0 100 i * 180.40.7.129 0 100 i *> 208.28.1.2 0 100 i * 208.28.1.65 0 200 100 i * 17.80.1.0/24 208.28.1.65 0 200 100 i *> 180.40.7.65 0 100 i * 180.40.7.129 0 100 i * 20.0.0.0 208.28.1.2 0 100 i * 208.28.1.65 0 200 100 i * 180.40.7.129 0 0 100 i *> 180.40.7.65 0 0 100 i * 30.0.0.0 208.28.1.65 0 200 100 i --More--   R1# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b bgp router bgp 100 no synchronization bgp router-id 3.3.3.3 bgp log-neighbor-changes bgp bestpath med missing-as-worst network 30.0.0.0 neighbor InsideAS100 peer-group neighbor InsideAS100 remote-as 100 neighbor InsideAS100 route-reflector-client neighbor 17.80.1.2 peer-group InsideAS100 neighbor 180.40.7.2 peer-group InsideAS100 neighbor 208.28.1.1 remote-as 300 neighbor 208.28.1.1 prefix-list Prob8 out no auto-summary ! ip classless ! no ip http server no ip http secure-server ! ! ip prefix-list Prob8 seq 5 deny 17.80.0.0/16 ge 24 ip prefix-list Prob8 seq 10 permit 0.0.0.0/0 le 32 --More--  ! --More--  ! --More--  ! --More--   R3# RACK15AS>2 [Resuming connection 2 to r2 ... ] *Ma R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip pr R3#sh ip pre R3#sh ip prefix-list ? WORD Name of a prefix list detail Detail of prefix lists summary Summary of prefix lists | Output modifiers R3#sh ip prefix-list de Prefix-list with the last deletion/insertion: Prob8 ip prefix-list Prob8: count: 2, range entries: 2, sequences: 5 - 10, refcount: 3 seq 5 deny 17.80.0.0/16 ge 24 (hit count: 1, refcount: 1) seq 10 permit 0.0.0.0/0 le 32 (hit count: 5, refcount: 1) R3# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2(config)#access-list 100 den 17.57.   80.0.0 0.0.2 1  .255 255.255.255.0 0.0.0.255 ^ % Invalid input detected at '^' marker. R2(config)#access-list 100 den 17.80.0.0 0.0.1.255 255.255.255.0 0.0.0.255i17.80.0.0 0.0.1.255 255.255.255.0 0.0.0.255u17.80.0.0 0.0.1.255 255.255.255.0 0.0.0.255p17.80.0.0 0.0.1.255 255.255.255.0 0.0.0.255 17.80.0.0 0.0.1.255 255.255.255.0 0.0.0.25517.80.0.0 0.0.1.255 255.255.255.0 0.0.0.255 17.80.0.0 0.0.1.255 255.255.255.0 0.0.0.255 17.80.0.0 0.0.1.255 255.255.255.0 0.0.0.255 p17.80.0.0 0.0.1.255 255.255.255.0 0.0.0.255 17.80.0.0 0.0.1.255 255.255.255.0 0.0.0.255 R2(config)#access- R2(config)#access-list 100 per ip any any R2(config)#\ router bgp 100 R2(config-router)#nei 180.040   40.7.66 dis R2(config-router)#nei 180.40.7.66 distr R2(config-router)#nei 180.40.7.66 distribute-list 1- 00 out R2(config-router)#^Z R2#clea ip bgp *Mar 1 20:28:10.906: %SYS-5-CONFIG_I: Configured from console by console R2#clea ip bgp * out R2#sh access-list Standard IP access list 1 10 permit 17.57.100.0 (6 matches) Standard IP access list 2 10 permit 17.57.101.0 (6 matches) Extended IP access list 100 10 deny ip 17.80.0.0 0.0.1.255 255.255.255.0 0.0.0.255 (1 match) 20 permit ip any any (7 matches) R2# R2# R2# R2# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip bgp BGP table version is 53, local router ID is 1.1.1.1 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 10.0.0.0 0.0.0.0 0 32768 i r>i17.57.100.0/24 17.57.100.2 0 100 0 i *>i17.57.101.0/24 17.57.100.2 0 100 0 i *>i17.57.102.0/24 17.57.100.2 0 100 0 i *>i17.57.103.0/24 17.57.100.2 0 100 0 i * 17.80.0.0/23 180.40.7.65 0 100 i * 180.40.7.129 0 100 i *> 208.28.1.2 0 100 i * 208.28.1.65 0 200 100 i * 17.80.1.0/24 208.28.1.65 0 200 100 i *> 180.40.7.129 0 100 i * 20.0.0.0 208.28.1.2 0 100 i * 208.28.1.65 0 200 100 i * 180.40.7.129 0 0 100 i *> 180.40.7.65 0 0 100 i * 30.0.0.0 208.28.1.65 0 200 100 i * 180.40.7.65 0 100 i --More--   R1# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2#sh run | b bgp router bgp 100 no synchronization bgp router-id 2.2.2.2 bgp log-neighbor-changes bgp bestpath med missing-as-worst network 20.0.0.0 network 180.40.7.0 mask 255.255.255.224 neighbor 180.40.7.3 remote-as 100 neighbor 180.40.7.3 route-map FromR3 in neighbor 180.40.7.66 remote-as 300 neighbor 180.40.7.66 distribute-list 100 out neighbor 180.40.7.66 route-map Prob3a in neighbor 180.40.7.130 remote-as 300 neighbor 180.40.7.130 route-map Prob3b in neighbor 208.28.1.130 remote-as 200 neighbor 208.28.1.130 route-map Prob2 in no auto-summary ! ip classless ! ip as-path access-list 1 permit ^(200)(_\1)*$ no ip http server no ip http secure-server --More--  ! access-list 1 permit 17.57.100.0 access-list 2 permit 17.57.101.0 access-list 100 deny ip 17.80.0.0 0.0.1.255 255.255.255.0 0.0.0.255 access-list 100 permit ip any any ! route-map Prob2 permit 10 match as-path 1 set local-preference 50 ! route-map Prob2 permit 20 ! route-map FromR3 permit 10 set ip next-hop peer-address ! route-map Prob3a permit 10 match ip address 1 set weight 100 ! route-map Prob3a permit 20 ! route-map Prob3b permit 10 match ip address 2 --More--   R2# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)# RACK15AS>4 [Resuming connection 4 to r4 ... ] 17 R4#sh ip bgp 20.0.0.0 BGP routing table entry for 20.0.0.0/8, version 127 Paths: (1 available, best #1, table Default-IP-Routing-Table) Not advertised to any peer Local 17.80.1.1 from 17.80.1.1 (3.3.3.3) Origin IGP, metric 0, localpref 100, valid, internal, best Originator: 2.2.2.2, Cluster list: 3.3.3.3 R4# R4# R4# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3(config)#router bgp 100 R3(config-router)#cl R3(config-router)#cl  lgp     bgp clu R3(config-router)#bgp cluster-id ? <1-4294967295> Route-Reflector Cluster-id as 32 bit quantity A.B.C.D Route-Reflector Cluster-id in IP address format R3(config-router)#bgp cluster-id 1002 R3(config-router)#^Z R3# RACK15AS>4 [Resuming connection 4 to r4 ... ] sh ip bgp 20.0.0.0 BGP routing table entry for 20.0.0.0/8, version 130 Paths: (1 available, best #1, table Default-IP-Routing-Table) Flag: 0x800 Not advertised to any peer Local 17.80.1.1 from 17.80.1.1 (3.3.3.3) Origin IGP, metric 0, localpref 100, valid, internal, best Originator: 2.2.2.2, Cluster list: 0.0.3.234 R4# R4# R4# R4# RACK15AS>3 [Resuming connection 3 to r3 ... ] *M R3#sh run | b bgp router bgp 100 no synchronization bgp router-id 3.3.3.3 bgp cluster-id 1002 bgp log-neighbor-changes bgp bestpath med missing-as-worst network 30.0.0.0 neighbor InsideAS100 peer-group neighbor InsideAS100 remote-as 100 neighbor InsideAS100 route-reflector-client neighbor 17.80.1.2 peer-group InsideAS100 neighbor 180.40.7.2 peer-group InsideAS100 neighbor 208.28.1.1 remote-as 300 neighbor 208.28.1.1 prefix-list Prob8 out no auto-summary ! ip classless ! no ip http server no ip http secure-server ! ! ip prefix-list Prob8 seq 5 deny 17.80.0.0/16 ge 24 --More--   R3# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router bgp 100 R4(config-router)#nei 192.10.32.254 shu % Specify remote-as or peer-group commands first R4(config-router)#nei 192.10.32.254 shu   remote 100 R4(config-router)#nei 192.10.32.254 remote 100shu  R4(config-router)#\ nei 192.10.32.254 shuremote 1000 R4(config-router)#do sh run | b bgp router bgp 100 no synchronization bgp router-id 4.4.4.4 bgp log-neighbor-changes network 17.80.1.0 mask 255.255.255.0 network 40.0.0.0 aggregate-address 17.80.0.0 255.255.254.0 neighbor 17.80.1.1 remote-as 100 neighbor 17.80.1.1 route-map FromR3 in neighbor 192.10.32.254 remote-as 1000 neighbor 192.10.32.254 shutdown no auto-summary ! no ip http server no ip http secure-server ip classless ! ! ! route-map FromR3 permit 10 set ip next-hop peer-address ! ! --More--   R4(config-router)#nei 192.1032.   .32.254 lo R4(config-router)#nei 192.10.32.254 local-as ? <1-65535> AS number used as local AS R4(config-router)#nei 192.10.32.254 local-as 15 R4(config-router)#nei 192.10.32.254 local-as 15 ? no-prepend Do not prepend local-as to updates from ebgp peers R4(config-router)#nei 192.10.32.254 local-as 15                               do sh access-list R4(config-router)#do sh access-list nei 192.10.32.254 local-as 15           dist R4(config-router)#nei 192.10.32.254 distribute-list 1 out R4(config-router)#exit R4(config)#access-list 1 den any R4(config)# R4(config)# R4(config)#config t ^ % Invalid input detected at '^' marker. R4(config)#router bgp 100 R4(config-router)# neighbor 192.10.32.254 shutdown R4(config-router)# neighbor 192.10.32.254 shutdownn neighbor 192.10.32.254 shutdowno neighbor 192.10.32.254 shutdown neighbor 192.10.32.254 shutdown R4(config-router)#^Z R4#sh ip 17:34:24: %SYS-5-CONFIG_I: Configured from console by console R4#sh ip bgp sum,  BGP router identifier 4.4.4.4, local AS number 100 BGP table version is 131, main routing table version 131 17 network entries using 1717 bytes of memory 17 path entries using 816 bytes of memory 7 BGP path attribute entries using 420 bytes of memory 1 BGP rrinfo entri