=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2005.08.26 09:05:51 =~=~=~=~=~=~=~=~=~=~=~= S6# S6# S6# S6#sh ip int brie Interface IP-Address OK? Method Status Protocol Vlan1 unassigned YES manual administratively down down FastEthernet0/1 17.57.100.2 YES manual up up FastEthernet0/2 unassigned YES unset up up FastEthernet0/3 unassigned YES unset down down FastEthernet0/4 unassigned YES unset up up FastEthernet0/5 unassigned YES unset down down FastEthernet0/6 unassigned YES unset down down FastEthernet0/7 unassigned YES unset down down FastEthernet0/8 unassigned YES unset down down FastEthernet0/9 unassigned YES unset down down FastEthernet0/10 unassigned YES unset down down --More--  FastEthernet0/11 unassigned YES unset down down FastEthernet0/12 unassigned YES unset down down FastEthernet0/13 unassigned YES unset down down FastEthernet0/14 unassigned YES unset down down FastEthernet0/15 unassigned YES unset down down FastEthernet0/16 unassigned YES unset down down FastEthernet0/17 unassigned YES unset down down FastEthernet0/18 unassigned YES unset down down FastEthernet0/19 unassigned YES unset down down FastEthernet0/20 unassigned YES unset down down FastEthernet0/21 unassigned YES unset down down FastEthernet0/22 unassigned YES unset down down --More--  FastEthernet0/23 unassigned YES unset down down FastEthernet0/24 unassigned YES unset up up GigabitEthernet0/1 unassigned YES unset down down GigabitEthernet0/2 unassigned YES unset down down Loopback0 17.57.101.1 YES manual up up Loopback1 17.57.102.1 YES manual up up Loopback2 17.57.103.1 YES manual up up Loopback99 60.1.1.1 YES manual up up S6#confi gt ^ % Invalid input detected at '^' marker. S6#config t Enter configuration commands, one per line. End with CNTL/Z. S6(config)#int lo 0 S6(config-if)#int lo 0 99 S6(config-if)#ip address 6.6.6.6 255.255.255.255.  S6(config-if)#^Z S6# RACK16AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip int brie Interface IP-Address OK? Method Status Protocol Ethernet0/0 208.28.1.66 YES manual up up Serial0/0 unassigned YES manual up up Serial0/0.1 208.28.1.1 YES manual up up Serial0/0.2 180.40.7.66 YES manual up up Ethernet0/1 17.57.100.1 YES manual up up Serial0/1 180.40.7.130 YES manual up up Virtual-Access1 unassigned YES unset up up Loopback99 10.1.1.1 YES manual up up R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int lo 0 R1(config-if)#int lo 0 99 R1(config-if)#ip address 1.1.1.1 255.255.255.255 R1(config-if)#^Z R1# RACK16AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int lo 0 99 R2(config-if)#ip address 2.2.2.2.2   255.255.255.255 R2(config-if)#^Z R2# RACK16AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int lo 99 R3(config-if)#ip adddres 3.3.3.3 255.255.255.255ip addres 3.3.3.3 255.255.255.255  R3(config-if)# RACK16AS>4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#int lo 99 R4(config-if)#ip address 4.4.4.4 255.255.255.255 R4(config-if)# RACK16AS>5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int lo 99 S5(config-if)#ip addresss 5.5..5   .5.5 255.255.25. 5.255ip address 5.5.5.5 255.255.255.255  S5(config-if)#^Z S5# RACK16AS>1 [Resuming connection 1 to r1 ... ] *Ma R1# R1#copin   nfig t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router bgp 399 R1(config-router)#router bgp 399mrouter bgp 399router bgp 399 nrouter bgp 399orouter bgp 399 router bgp 399 R1(config)#no router bgp 399  00 R1(config)#no router bgp 300no router bgp 300  router bgp 300  R1(config-router)#router  -id .1  1.1.1.1 ^ % Invalid input detected at '^' marker. R1(config-router)#rou R1(config-router)#rou? % Unrecognized command R1(config-router)#rou   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 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) scan-time Configure background scanner interval --More--   suppress-inactive Suppress routes that are not in the routing table update-delay Set the max initial delay for sending update upgrade-cli upgrade cli R1(config-router)#bgp rout R1(config-router)#bgp router-id 1.1.. 1.1 R1(config-router)#no auto R1(config-router)# R1(config-router)# R1(config-router)# R1(config-router)# R1(config-router)#net 208.28.1.64 mask 288.288.288.240.240 .240 .240 2.2405.2405.2408.255.240 .255.240 5.255.2405.255.240.255.255.240 .255.255.240 5.255.255.2405.255.255.240 R1(config-router)#net 180 % Incomplete command. R1(config-router)#.net 180.40.7.128 mas 255.255.255.224 R1(config-router)#net 180.40.7.128 mas 255.255.255.224 mas 255.255.255.224  mas 255.255.255.224  mas 255.255.255.224 6 mas 255.255.255.2244 mas 255.255.255.224 R1(config-router)#net 180.40.7.64 mas 255.255.255.224128 mas 255.255.255.224 208.28.1.64 mask 255.255.255.2400 8.64 mask 255.255.255.248  mask 255.255.255.248 0 mask 255.255.255.248 R1(config-router)#net 17.1 57.100.0 mas 255.255.255.0 R1(config-router)#nei    et 1.1.1.1 mask 255.255.255.255 R1(config-router)#nei 208.28.1.65 remote R1(config-router)#nei 208.28.1.65 remote-as 200 R1(config-router)#nei 180.4. 0.7.129 remote R1(config-router)#nei 180.40.7.129 remote-as 100 R1(config-router)#nei 180.40.7.65 remote 100 R1(config-router)#bei 208.28.1.2 rem mot R1(config-router)#bei 208.28.1.2 remotbei 208.28.1.2 remot nei 208.28.1.2 remotei 208.28.1.2 remot 100 R1(config-router)#nei 17.57.100.2 remote R1(config-router)#nei 17.57.100.2 remote-as 300 R1(config-router)#nei 17.57.100.2 nex R1(config-router)#nei 17.57.100.2 next-hop-s R1(config-router)#nei 17.57.100.2 next-hop-self                               ^Z R1# RACK16AS>2 [Resuming connection 2 to r2 ... ] *Ma R2#6x5 Translating "6x5" Translating "6x5" % Unknown command or computer name, or unable to find computer address R2# R2# RACK16AS>5 [Resuming connection 5 to r5 ... ] 23 S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router bgp 200 S5(config-router)#no auto S5(config-router)#bgp rou 5.5.5.5 S5(config-router)#net 5.5.5.5 25    n mas 255.25. 5.255.255.  S5(config-router)#bn  net 208.28.1.128 mask 255.255.224  55.224 S5(config-router)#nei 208.28.1.66 remote 300 S5(config-router)#nei 208.28.1.129 remo 100 % Ambiguous command: "nei 208.28.1.129 remo 100" S5(config-router)#nei 208.28.1.129 remo 100t 100 S5(config-router)#^x2 ^ % Invalid input detected at '^' marker. S5(config-router)# S5(config-router)# RACK16AS>2 [Resuming connection 2 to r2 ... ] R2#confi gt ^ % Invalid input detected at '^' marker. R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router bgp 100 R2(config-router)#no auto R2(config-router)#bgp route 2.2.2.2 R2(config-router)#net 2.2.2.2 mas 255.255.255.255 R2(config-router)#net 180.40.7.0 v mask 25.255.     5.255.255.224 R2(config-router)#nei 208.28.1.130 mask      remot 200 R2(config-router)#nei 180.40.7.130 remote 10  300 R2(config-router)#nei 180.40.7.130 remote 300 remote 300  remote 300  remote 300 6 remote 3006 remote 300 R2(config-router)#nei 180.4. 0.7.3 remote 100 R2(config-router)# RACK16AS>3 [Resuming connection 3 to r3 ... ] R3(config-if)#router bgp 100 R3(config-router)#no auto R3(config-router)#bgp route 3.3.3.3 R3(config-router)#net 3.3.3.3 mask 255.25. 5.255.255.  R3(config-router)#nei 180.40.7.2 remote 100 R3(config-router)#nei 208.28.1.1 remot 1 300 R3(config-router)#nei 17.80.1.2 remote 100 R3(config-router)# RACK16AS>4 [Resuming connection 4 to r4 ... ] R4(config-if)#do sh ip int brie Interface IP-Address OK? Method Status Protocol FastEthernet0/0 17.80.1.2 YES manual up up ATM1/0 unassigned YES manual administratively down down Virtual-Access1 unassigned YES unset up up Loopback99 4.4.4.4 YES manual up up R4(config-if)#int lo 0 R4(config-if)#ip address 17.80.2.1 255.255.255.0 R4(config-if)#ip address 17.80.2.1 255.255.255.0nt lo 0 do sh ip int brieint lo 0  1 R4(config-if)#int lo 1p address 17.80.2.1 255.255.255.0.1 255.255.255.0 3.1 255.255.255.0 R4(config-if)#ip address 17.80.3.1 255.255.255.0nt lo 1  2 R4(config-if)#int lo 2p address 17.80.3.1 255.255.255.0.1 255.255.255.0 0.1 255.255.255.0 R4(config-if)#router bgp 100 R4(config-router)#nop    auto R4(config-router)#bgp route 4.4.4.4 R4(config-router)#net 4.4.4.4.    nask      mask 255.255.255.255 R4(config-router)#net 17.80.1.0 mask 255.2555.  .255.0 R4(config-router)#net 17.80.1.0 mask 255.255.255.0.1.0 mask 255.255.255.0 0.0 mask 255.255.255.0 R4(config-router)#net 17.80.0.0 mask 255.255.255.01.0 mask 255.255.255.0.1.0 mask 255.255.255.0 2.0 mask 255.255.255.0 R4(config-router)#net 17.80.2.0 mask 255.255.255.00.0 mask 255.255.255.0 17.80.0.0 mask 255.255.255.0 3.0 mask 255.255.255.0 R4(config-router)#nei 17.80.1.1 remote 100 R4(config-router)# RACK16AS>6 [Resuming connection 6 to r6 ... ] 23: S6#config t Enter configuration commands, one per line. End with CNTL/Z. S6(config)#router bgp 300 S6(config-router)#no auto S6(config-router)#bgp router 6.6.6.6 S6(config-router)#net 17.57.101.0 msd   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 6.6.6.6 mask 255.255.255.255 S6(config-router)#nei 17.57.100.2   1 remote 1 300 S6(config-router)#^Z S6#sh 23:31:00: %SYS-5-CONFIG_I: Configured from console by consoleip bgp BGP table version is 1, local router ID is 6.6.6.6 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * 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 S6#sh ip bgp BGP table version is 4, local router ID is 6.6.6.6 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *> 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 S6#^x1 % Unknown command or computer name, or unable to find computer address S6# S6# RACK16AS>1 [Resuming connection 1 to r1 ... ] *Mar R1#sh ip bgp BGP table version is 21, 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 *> 1.1.1.1/32 0.0.0.0 0 32768 i * 2.2.2.2/32 208.28.1.2 0 100 i *> 180.40.7.65 0 0 100 i * 180.40.7.129 0 0 100 i * 208.28.1.65 0 200 100 i * 3.3.3.3/32 208.28.1.65 0 200 100 i * 180.40.7.129 0 100 i * 180.40.7.65 0 100 i *> 208.28.1.2 0 0 100 i *> 4.4.4.4/32 208.28.1.2 0 100 i * 5.5.5.5/32 208.28.1.2 0 100 200 i * 180.40.7.65 0 100 200 i * 180.40.7.129 0 100 200 i *> 208.28.1.65 0 0 200 i *> 17.57.100.0/24 0.0.0.0 0 32768 i *> 17.80.0.0/24 208.28.1.2 0 100 i *> 17.80.1.0/24 208.28.1.2 0 100 i --More--   Network Next Hop Metric LocPrf Weight Path *> 17.80.2.0/24 208.28.1.2 0 100 i *> 17.80.3.0/24 208.28.1.2 0 100 i * 180.40.7.0/27 208.28.1.2 0 100 i *> 180.40.7.65 0 0 100 i * 180.40.7.129 0 0 100 i * 208.28.1.65 0 200 100 i *> 180.40.7.64/27 0.0.0.0 0 32768 i *> 180.40.7.128/27 0.0.0.0 0 32768 i *> 208.28.1.0/29 0.0.0.0 0 32768 i *> 208.28.1.64/28 0.0.0.0 0 32768 i * 208.28.1.128/27 208.28.1.2 0 100 200 i * 180.40.7.65 0 100 200 i * 180.40.7.129 0 100 200 i *> 208.28.1.65 0 0 200 i R1#sh ip bgp sum BGP router identifier 1.1.1.1, local AS number 300 BGP table version is 21, main routing table version 21 16 network entries using 1616 bytes of memory 31 path entries using 1488 bytes of memory 6 BGP path attribute entries using 360 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 3560 total bytes of memory BGP activity 16/0 prefixes, 33/2 paths, scan interval 60 secs Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 17.57.100.2 4 300 0 0 0 0 0 never Active 180.40.7.65 4 100 11 15 21 0 0 00:04:30 5 180.40.7.129 4 100 12 15 21 0 0 00:04:41 5 208.28.1.2 4 100 14 10 21 0 0 00:03:54 10 208.28.1.65 4 200 13 15 21 0 0 00:06:45 5 R1# *Mar 1 23:29:18.947: %BGP-5-ADJCHANGE: neighbor 17.57.100.2 Up R1#sh ip bgp sum BGP router identifier 1.1.1.1, local AS number 300 BGP table version is 24, main routing table version 24 19 network entries using 1919 bytes of memory 34 path entries using 1632 bytes of memory 7 BGP path attribute entries using 420 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 4067 total bytes of memory BGP activity 19/0 prefixes, 36/2 paths, scan interval 60 secs Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 17.57.100.2 4 300 5 9 21 0 0 00:00:04 3 180.40.7.65 4 100 12 16 24 0 0 00:04:34 5 180.40.7.129 4 100 12 16 24 0 0 00:04:46 5 208.28.1.2 4 100 14 11 24 0 0 00:03:59 10 208.28.1.65 4 200 13 16 24 0 0 00:06:50 5 R1# RACK16AS>6 [Resuming connection 6 to r6 ... ] 2 S6#^x1sh ip bgp BGP table version is 5, local router ID is 6.6.6.6 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i1.1.1.1/32 17.57.100.1 0 100 0 i * i2.2.2.2/32 180.40.7.65 0 100 0 100 i * i3.3.3.3/32 208.28.1.2 0 100 0 100 i * i4.4.4.4/32 208.28.1.2 0 100 0 100 i * i5.5.5.5/32 208.28.1.65 0 100 0 200 i *>i17.57.100.0/24 17.57.100.1 0 100 0 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 * i17.80.0.0/24 208.28.1.2 0 100 0 100 i * i17.80.1.0/24 208.28.1.2 0 100 0 100 i * i17.80.2.0/24 208.28.1.2 0 100 0 100 i * i17.80.3.0/24 208.28.1.2 0 100 0 100 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 --More--   Network Next Hop Metric LocPrf Weight Path * i208.28.1.128/27 208.28.1.65 0 100 0 200 i S6# RACK16AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router bgp 300  56\ ^ % Invalid input detected at '^' marker. R1(config)#\ ^ % Invalid input detected at '^' marker. R1(config)#\ router bgp 356\  BGP is already running; AS is 300 R1(config)# R1(config)# R1(config)# R1(config)#router bgp 356  0 BGP is already running; AS is 300 R1(config)#router bgp 300 R1(config-router)#nrei     ei 17.57.100.2 nex R1(config-router)#nei 17.57.100.2 next-hop-s R1(config-router)#nei 17.57.100.2 next-hop-self ? R1(config-router)#nei 17.57.100.2 next-hop-self R1(config-router)# R1(config-router)# R1(config-router)# R1(config-router)# R1(config-router)#^x6 ^ % Invalid input detected at '^' marker. R1(config-router)# R1(config-router)# RACK16AS>6 [Resuming connection 6 to r6 ... ] S6#sh ip bgp ^x1 sh ip bgp BGP table version is 6, local router ID is 6.6.6.6 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i1.1.1.1/32 17.57.100.1 0 100 0 i * i2.2.2.2/32 17.57.100.1 0 100 0 100 i * i3.3.3.3/32 17.57.100.1 0 100 0 100 i * i4.4.4.4/32 17.57.100.1 0 100 0 100 i * i5.5.5.5/32 17.57.100.1 0 100 0 200 i *> 6.6.6.6/32 0.0.0.0 0 32768 i *>i17.57.100.0/24 17.57.100.1 0 100 0 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 * i17.80.0.0/24 17.57.100.1 0 100 0 100 i * i17.80.1.0/24 17.57.100.1 0 100 0 100 i * i17.80.2.0/24 17.57.100.1 0 100 0 100 i * i17.80.3.0/24 17.57.100.1 0 100 0 100 i * i180.40.7.0/27 17.57.100.1 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 --More--   Network Next Hop Metric LocPrf Weight Path * i208.28.1.64/28 17.57.100.1 0 100 0 i * i208.28.1.128/27 17.57.100.1 0 100 0 200 i S6# S6# S6# S6# S6# S6#sh ip route Codes: C - connected, S - static, I - IGRP, 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, 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, 4 subnets 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 6.0.0.0/32 is subnetted, 1 subnets C 6.6.6.6 is directly connected, Loopback99 S6# S6# S6# S6# S6# S6# S6#sh ip protoco 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 enabled Automatic route summarization is disabled Neighbor(s): Address FiltIn FiltOut DistIn DistOut Weight RouteMap 17.57.100.1 Maximum path: 1 Routing for Networks: Routing Information Sources: Gateway Distance Last Update 17.57.100.1 200 00:02:17 Distance: external 20 internal 200 local 200 S6# S6# S6#confi gt ^ % Invalid input detected at '^' marker. S6#config t Enter configuration commands, one per line. End with CNTL/Z. S6(config)#int     router bgp 300 S6(config-router)#no sync S6(config-router)#^Z S6# 23:34:19: %SYS-5-CONFIG_I: Configured from console by consoleconfig t gtsh ip protocoroute  Codes: C - connected, S - static, I - IGRP, 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, 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, 4 subnets 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 6.0.0.0/32 is subnetted, 1 subnets C 6.6.6.6 is directly connected, Loopback99 S6#sh ip routeconfig t  gtsh ip protocoroute bgp  BGP table version is 6, local router ID is 6.6.6.6 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * i1.1.1.1/32 17.57.100.1 0 100 0 i * i2.2.2.2/32 17.57.100.1 0 100 0 100 i * i3.3.3.3/32 17.57.100.1 0 100 0 100 i * i4.4.4.4/32 17.57.100.1 0 100 0 100 i * i5.5.5.5/32 17.57.100.1 0 100 0 200 i *> 6.6.6.6/32 0.0.0.0 0 32768 i *>i17.57.100.0/24 17.57.100.1 0 100 0 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 * i17.80.0.0/24 17.57.100.1 0 100 0 100 i * i17.80.1.0/24 17.57.100.1 0 100 0 100 i * i17.80.2.0/24 17.57.100.1 0 100 0 100 i * i17.80.3.0/24 17.57.100.1 0 100 0 100 i * i180.40.7.0/27 17.57.100.1 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 --More--   Network Next Hop Metric LocPrf Weight Path * i208.28.1.64/28 17.57.100.1 0 100 0 i * i208.28.1.128/27 17.57.100.1 0 100 0 200 i S6#sh ip bgp BGP table version is 21, local router ID is 6.6.6.6 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path *>i1.1.1.1/32 17.57.100.1 0 100 0 i *>i2.2.2.2/32 17.57.100.1 0 100 0 100 i *>i3.3.3.3/32 17.57.100.1 0 100 0 100 i *>i4.4.4.4/32 17.57.100.1 0 100 0 100 i *>i5.5.5.5/32 17.57.100.1 0 100 0 200 i *> 6.6.6.6/32 0.0.0.0 0 32768 i *>i17.57.100.0/24 17.57.100.1 0 100 0 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 *>i17.80.0.0/24 17.57.100.1 0 100 0 100 i *>i17.80.1.0/24 17.57.100.1 0 100 0 100 i *>i17.80.2.0/24 17.57.100.1 0 100 0 100 i *>i17.80.3.0/24 17.57.100.1 0 100 0 100 i *>i180.40.7.0/27 17.57.100.1 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 --More--   Network Next Hop Metric LocPrf Weight Path *>i208.28.1.64/28 17.57.100.1 0 100 0 i *>i208.28.1.128/27 17.57.100.1 0 100 0 200 i S6# RACK16AS>2 [Resuming connection 2 to r2 ... ] *Ma R2(config-router)#do sh run Building configuration... Current configuration : 1807 bytes ! version 12.2 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R2 ! logging queue-limit 100 ! ip subnet-zero ! ! no ip domain lookup ! ip audit notify log ip audit po max-events 100 mpls ldp logging neighbor-changes ! ! ! --More--  ! ! ! ! ! ! ! ! ! no voice hpi capture buffer no voice hpi capture destination ! ! mta receive maximum-recipients 0 ! ! ! ! interface Loopback99 ip address 2.2.2.2 255.255.255.255 ! interface FastEthernet0/0 no ip address --More--   shutdown duplex auto speed auto ! interface BRI0/0 no ip address shutdown ! interface FastEthernet0/1 ip address 208.28.1.129 255.255.255.224 duplex auto speed auto ! interface Serial1/0 ip address 180.40.7.65 255.255.255.224 encapsulation frame-relay no fair-queue frame-relay map ip 180.40.7.66 201 broadcast no frame-relay inverse-arp ! interface Serial1/1 ip address 180.40.7.129 255.255.255.224 ! --More--  interface Serial1/2 ip address 180.40.7.2 255.255.255.224 clockrate 64000 ! interface Serial1/3 no ip address shutdown ! interface Serial1/4 no ip address shutdown ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown --More--  ! router bgp 100 no synchronization bgp router-id 2.2.2.2 bgp log-neighbor-changes network 2.2.2.2 mask 255.255.255.255 network 180.40.7.0 mask 255.255.255.224 neighbor 180.40.7.3 remote-as 100 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 ! no ip http server no ip http secure-server ip classless ! ! ! ! ! call rsvp-sync ! --More--   R2(config-router)#no router bgp 100 R2(config)# *Mar 1 23:33:46.870: %BGP-5-ADJCHANGE: neighbor 180.40.7.3 Down BGP protocol initialization *Mar 1 23:33:46.870: %BGP-5-ADJCHANGE: neighbor 180.40.7.66 Down BGP protocol initialization *Mar 1 23:33:46.870: %BGP-5-ADJCHANGE: neighbor 180.40.7.130 Down BGP protocol initialization *Mar 1 23:33:46.874: %BGP-5-ADJCHANGE: neighbor 208.28.1.130 Down BGP protocol initialization R2(config)#router bgp 100 R2(config-router)# no synchronization R2(config-router)# bgp router-id 2.2.2.2 R2(config-router)# bgp log-neighbor-changes R2(config-router)# network 2.2.2.2 mask 255.255.255.255 R2(config-router)# network 180.40.7.0 mask 255.255.255.224 R2(config-router)# neighbor 180.40.7.3 remote-as 100 R2(config-router)# neighbor 180.40.7.66 remote-as 300 R2(config-router)# neighbor 180.40.7.130 remote-as 300 R2(config-router)# neighbor 208.28.1.130 remote-as 200 R2(config-router)#do shi p    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 180.40.7.3 180.40.7.66 180.40.7.130 208.28.1.130 Maximum path: 1 Routing Information Sources: Gateway Distance Last Update Distance: external 20 internal 200 local 200 R2(config-router)# *Mar 1 23:34:17.913: %BGP-5-ADJCHANGE: neighbor 180.40.7.3 Up R2(config-router)# *Mar 1 23:34:25.041: %BGP-5-ADJCHANGE: neighbor 180.40.7.66 Up R2(config-router)# *Mar 1 23:34:34.981: %BGP-5-ADJCHANGE: neighbor 180.40.7.130 Up *Mar 1 23:34:35.899: %BGP-5-ADJCHANGE: neighbor 208.28.1.130 Up R2(config-router)# RACK16AS>4 [Resuming connection 4 to r4 ... ] 23: R4(config-router)#do sh ip bgp BGP table version is 7, 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 * i1.1.1.1/32 208.28.1.1 0 100 0 300 i *>i3.3.3.3/32 17.80.1.1 0 100 0 i *> 4.4.4.4/32 0.0.0.0 0 32768 i * i6.6.6.6/32 208.28.1.1 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 *> 17.80.0.0/24 0.0.0.0 0 32768 i *> 17.80.1.0/24 0.0.0.0 0 32768 i *> 17.80.2.0/24 0.0.0.0 0 32768 i *> 17.80.3.0/24 0.0.0.0 0 32768 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(config-router)# RACK16AS>3 [Resuming connection 3 to r3 ... ] *Mar R3(config-router)#do 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, 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, 8 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 B 17.80.0.0 [200/0] via 17.80.1.2, 00:08:36 B 17.80.3.0 [200/0] via 17.80.1.2, 00:08:36 B 17.80.2.0 [200/0] via 17.80.1.2, 00:08:36 B 17.57.100.0 [20/0] via 208.28.1.1, 00:10:06 B 17.57.101.0 [20/0] via 208.28.1.1, 00:07:30 B 17.57.102.0 [20/0] via 208.28.1.1, 00:07:30 B 17.57.103.0 [20/0] via 208.28.1.1, 00:07:30 1.0.0.0/32 is subnetted, 1 subnets B 1.1.1.1 [20/0] via 208.28.1.1, 00:10:07 2.0.0.0/32 is subnetted, 1 subnets B 2.2.2.2 [200/0] via 180.40.7.2, 00:01:07 --More--   3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback99 4.0.0.0/32 is subnetted, 1 subnets B 4.4.4.4 [200/0] via 17.80.1.2, 00:08:48 5.0.0.0/32 is subnetted, 1 subnets B 5.5.5.5 [20/0] via 208.28.1.1, 00:00:43 6.0.0.0/32 is subnetted, 1 subnets B 6.6.6.6 [20/0] via 208.28.1.1, 00:07:04 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks B 208.28.1.128/27 [20/0] via 208.28.1.1, 00:00:43 B 208.28.1.64/28 [20/0] via 208.28.1.1, 00:10:08 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, 00:10:08 C 180.40.7.0 is directly connected, Serial1/2 B 180.40.7.64 [20/0] via 208.28.1.1, 00:10:08 R3(config-router)#nei 17.4 80.1.2 rout R3(config-router)#nei 17.80.1.2 route-r R3(config-router)#nei 17.80.1.2 route-reflector-client ? R3(config-router)#nei 17.80.1.2 route-reflector-client R3(config-router)#nei 17.80.1.2 route-reflector-client  *Mar 1 23:36:35.883: %BGP-5-ADJCHANGE: neighbor 17.80.1.2 Down RR client config change R3(config-router)#nei 17.80.1.2 route-reflector-client  route-reflector-client  route-reflector-client  route-reflector-client  route-reflector-client  route-reflector-client  route-reflector-client  route-reflector-client  route-reflector-client 8 route-reflector-client 0 route-reflector-client . route-reflector-client 4 route-reflector-client 0 route-reflector-client . route-reflector-client 7 route-reflector-client . route-reflector-client 2 route-reflector-client  R3(config-router)# *Mar 1 23:36:47.001: %BGP-5-ADJCHANGE: neighbor 180.40.7.2 Down RR client config change R3(config-router)#do ship *Mar 1 23:37:02.992: %BGP-5-ADJCHANGE: neighbor 17.80.1.2 Up R3(config-router)#do ship     h io p bgp sum BGP router identifier 3.3.3.3, local AS number 100 BGP table version is 70, main routing table version 70 20 network entries using 2020 bytes of memory 18 path entries using 864 bytes of memory 5 BGP path attribute entries using 300 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 3232 total bytes of memory BGP activity 22/2 prefixes, 51/33 paths, scan interval 60 secs Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 17.80.1.2 4 100 20 35 70 0 0 00:00:09 5 180.40.7.2 4 100 30 39 0 0 0 00:00:25 Active 208.28.1.1 4 300 25 36 70 0 0 00:12:52 12 R3(config-router)# R3(config-router)# R3(config-router)# R3(config-router)# *Mar 1 23:37:15.452: %BGP-5-ADJCHANGE: neighbor 180.40.7.2 Up R3(config-router)# RACK16AS>4 [Resuming connection 4 to r4 ... ] 2 R4(config-router)#do sh ip bgp BGP table version is 9, 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 * i1.1.1.1/32 208.28.1.1 0 100 0 300 i * i2.2.2.2/32 180.40.7.2 0 100 0 i *>i3.3.3.3/32 17.80.1.1 0 100 0 i *> 4.4.4.4/32 0.0.0.0 0 32768 i * i5.5.5.5/32 208.28.1.130 0 100 0 200 i * i6.6.6.6/32 208.28.1.1 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 *> 17.80.0.0/24 0.0.0.0 0 32768 i *> 17.80.1.0/24 0.0.0.0 0 32768 i *> 17.80.2.0/24 0.0.0.0 0 32768 i *> 17.80.3.0/24 0.0.0.0 0 32768 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 --More-- RACK16AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#nedo sh ip bgp sumnei 180.40.7.2 route-reflector-client                     7.80.1.2 route-reflector-client                        nex 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)# RACK16AS>4 [Resuming connection 4 to r4 ... ]  * i208.28.1.0/29 17.80.1.1 0 100 0 300 i --More--   R4(config-router)#[Ado sh ip bgp BGP table version is 19, 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 *>i1.1.1.1/32 17.80.1.1 0 100 0 300 i * i2.2.2.2/32 180.40.7.2 0 100 0 i *>i3.3.3.3/32 17.80.1.1 0 100 0 i *> 4.4.4.4/32 0.0.0.0 0 32768 i * i5.5.5.5/32 208.28.1.130 0 100 0 200 i *>i6.6.6.6/32 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 *> 17.80.0.0/24 0.0.0.0 0 32768 i *> 17.80.1.0/24 0.0.0.0 0 32768 i *> 17.80.2.0/24 0.0.0.0 0 32768 i *> 17.80.3.0/24 0.0.0.0 0 32768 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 --More--   Network Next Hop Metric LocPrf Weight Path *>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-router)#exit R4(config)#route R4(config)#route-m R4(config)#route-map Peer 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)#set ip next-hop peer-address R4(config-route-map)#router bgp 3 100 R4(config-router)#nei 17.80.1.1 route R4(config-router)#nei 17.80.1.1 route-m R4(config-router)#nei 17.80.1.1 route-map Peer in R4(config-router)#^Z R4#cl 23:41:57: %SYS-5-CONFIG_I: Configured from console by console R4#cl  sh ip bgp BGP table version is 25, 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 *>i1.1.1.1/32 17.80.1.1 0 100 0 300 i * i2.2.2.2/32 180.40.7.2 0 100 0 i *>i3.3.3.3/32 17.80.1.1 0 100 0 i *> 4.4.4.4/32 0.0.0.0 0 32768 i * i5.5.5.5/32 208.28.1.130 0 100 0 200 i *>i6.6.6.6/32 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 *> 17.80.0.0/24 0.0.0.0 0 32768 i *> 17.80.1.0/24 0.0.0.0 0 32768 i *> 17.80.2.0/24 0.0.0.0 0 32768 i *> 17.80.3.0/24 0.0.0.0 0 32768 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 --More--   R4#clea ip bgp * ini   ? in Soft reconfig inbound update ipmcast Address family ipv4 Address family ipv6 Address family nsap Address family out Soft reconfig outbound update soft Soft reconfig vpnv4 Address family R4#clea ip bgp * soft ? in Soft reconfig inbound update out Soft reconfig outbound update R4#clea ip bgp * soft in R4#clea ip bgp * soft insh ip bgp  BGP table version is 29, 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 *>i1.1.1.1/32 17.80.1.1 0 100 0 300 i *>i2.2.2.2/32 17.80.1.1 0 100 0 i *>i3.3.3.3/32 17.80.1.1 0 100 0 i *> 4.4.4.4/32 0.0.0.0 0 32768 i *>i5.5.5.5/32 17.80.1.1 0 100 0 300 200 i *>i6.6.6.6/32 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 *> 17.80.0.0/24 0.0.0.0 0 32768 i *> 17.80.1.0/24 0.0.0.0 0 32768 i *> 17.80.2.0/24 0.0.0.0 0 32768 i *> 17.80.3.0/24 0.0.0.0 0 32768 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 --More--   R4#sh ip bgp BGP table version is 31, 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 *>i1.1.1.1/32 17.80.1.1 0 100 0 300 i *>i2.2.2.2/32 17.80.1.1 0 100 0 i *>i3.3.3.3/32 17.80.1.1 0 100 0 i *> 4.4.4.4/32 0.0.0.0 0 32768 i *>i5.5.5.5/32 17.80.1.1 0 100 0 200 i *>i6.6.6.6/32 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 *> 17.80.0.0/24 0.0.0.0 0 32768 i *> 17.80.1.0/24 0.0.0.0 0 32768 i *> 17.80.2.0/24 0.0.0.0 0 32768 i *> 17.80.3.0/24 0.0.0.0 0 32768 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 --More--   R4#sh ip bgp sum BGP router identifier 4.4.4.4, local AS number 100 BGP table version is 31, main routing table version 31 20 network entries using 2020 bytes of memory 20 path entries using 960 bytes of memory 4 BGP path attribute entries using 240 bytes of memory 1 BGP rrinfo entries using 24 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 3292 total bytes of memory BGP activity 28/8 prefixes, 41/21 paths, scan interval 60 secs Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 17.80.1.1 4 100 55 25 31 0 0 00:04:41 15 R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router bgp 100 R4(config-router)#nei 17.40.   80.1.1 sou R4(config-router)#nei 17.80.1.1 sou f R4(config-router)#nei 17.80.1.1 soft-reconfiguration in R4(config-router)#nei 17.80.1.1 soft-reconfiguration inbound ? R4(config-router)#nei 17.80.1.1 soft-reconfiguration inbound R4(config-router)#^Z R4#config tsh ip bgp sum 23:44:21: %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 33, main routing table version 33 20 network entries using 2020 bytes of memory 20 path entries using 960 bytes of memory 4 BGP path attribute entries using 240 bytes of memory 1 BGP rrinfo entries using 24 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 3292 total bytes of memory BGP activity 28/8 prefixes, 41/21 paths, scan interval 60 secs Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 17.80.1.1 4 100 62 27 33 0 0 00:05:16 15 R4#sh ip bgp sum BGP router identifier 4.4.4.4, local AS number 100 BGP table version is 33, main routing table version 33 20 network entries using 2020 bytes of memory 20 path entries using 960 bytes of memory 4 BGP path attribute entries using 240 bytes of memory 1 BGP rrinfo entries using 24 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 3292 total bytes of memory BGP activity 28/8 prefixes, 41/21 paths, scan interval 60 secs Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 17.80.1.1 4 100 62 27 33 0 0 00:05:22 15 R4#sh ip bgp nei BGP neighbor is 17.80.1.1, remote AS 100, internal link BGP version 4, remote router ID 3.3.3.3 BGP state = Established, up for 00:06:48 Last read 00:00:46, hold time is 180, keepalive interval is 60 seconds Neighbor capabilities: Route refresh: advertised and received(old & new) Address family IPv4 Unicast: advertised and received Message statistics: InQ depth is 0 OutQ depth is 0 Sent Rcvd Opens: 2 2 Notifications: 0 0 Updates: 3 41 Keepalives: 21 21 Route Refresh: 2 0 Total: 28 64 Default minimum time between advertisement runs is 5 seconds For address family: IPv4 Unicast BGP table version 35, neighbor version 35 Index 1, Offset 0, Mask 0x2 Inbound soft reconfiguration allowed --More--   Inbound path policy configured Route map for incoming advertisements is Peer Sent Rcvd Prefix activity: ---- ---- Prefixes Current: 5 15 (Consumes 720 bytes) Prefixes Total: 5 74 Implicit Withdraw: 0 59 Explicit Withdraw: 0 0 Used as bestpath: n/a 15 Used as multipath: n/a 0 Outbound Inbound Local Policy Denied Prefixes: -------- ------- Suppressed duplicate: 0 33 Bestpath from this peer: 25 n/a Total: 25 33 Number of NLRIs in the update sent: max 5, min 0 Connections established 2; dropped 1 Last reset 00:07:21, due to Peer closed the session --More--   R4#o config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#int   nei 17.80.1.1 soft-reconfiguration inbound router bgp 100  R4(config-router)#router bgp 100nei 17.80.1.1 soft-reconfiguration inbound nnei 17.80.1.1 soft-reconfiguration inbound onei 17.80.1.1 soft-reconfiguration inbound  nei 17.80.1.1 soft-reconfiguration inbound  R4(config-router)#^Z R4#config t 23:46:44: %SYS-5-CONFIG_I: Configured from console by console R4#config tsh ip bgp nei BGP neighbor is 17.80.1.1, remote AS 100, internal link BGP version 4, remote router ID 3.3.3.3 BGP state = Established, up for 00:07:39 Last read 00:00:37, hold time is 180, keepalive interval is 60 seconds Neighbor capabilities: Route refresh: advertised and received(old & new) Address family IPv4 Unicast: advertised and received Message statistics: InQ depth is 0 OutQ depth is 0 Sent Rcvd Opens: 2 2 Notifications: 0 0 Updates: 3 42 Keepalives: 22 22 Route Refresh: 2 0 Total: 29 66 Default minimum time between advertisement runs is 5 seconds For address family: IPv4 Unicast BGP table version 37, neighbor version 37 Index 1, Offset 0, Mask 0x2 Inbound path policy configured --More--   Route map for incoming advertisements is Peer Sent Rcvd Prefix activity: ---- ---- Prefixes Current: 5 15 (Consumes 720 bytes) Prefixes Total: 5 76 Implicit Withdraw: 0 61 Explicit Withdraw: 0 0 Used as bestpath: n/a 15 Used as multipath: n/a 0 Outbound Inbound Local Policy Denied Prefixes: -------- ------- Suppressed duplicate: 0 33 Bestpath from this peer: 27 n/a Total: 27 33 Number of NLRIs in the update sent: max 5, min 0 Connections established 2; dropped 1 Last reset 00:08:07, due to Peer closed the session --More--   R4#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, 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, 8 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 C 17.80.0.0 is directly connected, Loopback2 C 17.80.3.0 is directly connected, Loopback1 C 17.80.2.0 is directly connected, Loopback0 B 17.57.100.0 [200/0] via 17.80.1.1, 00:08:48 B 17.57.101.0 [200/0] via 17.80.1.1, 00:08:48 B 17.57.102.0 [200/0] via 17.80.1.1, 00:08:48 B 17.57.103.0 [200/0] via 17.80.1.1, 00:08:48 1.0.0.0/32 is subnetted, 1 subnets B 1.1.1.1 [200/0] via 17.80.1.1, 00:08:49 2.0.0.0/32 is subnetted, 1 subnets B 2.2.2.2 [200/0] via 17.80.1.1, 00:05:40 --More--   3.0.0.0/32 is subnetted, 1 subnets B 3.3.3.3 [200/0] via 17.80.1.1, 00:09:35 4.0.0.0/32 is subnetted, 1 subnets C 4.4.4.4 is directly connected, Loopback99 5.0.0.0/32 is subnetted, 1 subnets B 5.5.5.5 [200/0] via 17.80.1.1, 00:00:32 6.0.0.0/32 is subnetted, 1 subnets B 6.6.6.6 [200/0] via 17.80.1.1, 00:08:49 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks B 208.28.1.128/27 [200/0] via 17.80.1.1, 00:00:32 B 208.28.1.64/28 [200/0] via 17.80.1.1, 00:08:49 B 208.28.1.0/29 [200/0] via 17.80.1.1, 00:08:49 180.40.0.0/27 is subnetted, 3 subnets B 180.40.7.128 [200/0] via 17.80.1.1, 00:08:49 B 180.40.7.0 [200/0] via 17.80.1.1, 00:05:40 B 180.40.7.64 [200/0] via 17.80.1.1, 00:08:49 R4#pin 17.57.10.1.1.1..1.  Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 17.57.101.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 60/60/64 ms R4#sh run | b router router bgp 100 no synchronization bgp router-id 4.4.4.4 bgp log-neighbor-changes network 4.4.4.4 mask 255.255.255.255 network 17.80.0.0 mask 255.255.255.0 network 17.80.1.0 mask 255.255.255.0 network 17.80.2.0 mask 255.255.255.0 network 17.80.3.0 mask 255.255.255.0 neighbor 17.80.1.1 remote-as 100 neighbor 17.80.1.1 route-map Peer in no auto-summary ! no ip http server ip classless ! ! ! ! route-map Peer permit 10 set ip next-hop peer-address ! call rsvp-sync --More--   R4# RACK16AS>2 [Resuming connection 2 to r2 ... ] *Ma R2(config-router)#do sh ip r 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 * i1.1.1.1/32 208.28.1.1 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i *> 2.2.2.2/32 0.0.0.0 0 32768 i *>i3.3.3.3/32 180.40.7.3 0 100 0 i * i4.4.4.4/32 17.80.1.2 0 100 0 i *> 5.5.5.5/32 208.28.1.130 0 0 200 i * 180.40.7.130 0 300 200 i * 180.40.7.66 0 300 200 i * i6.6.6.6/32 208.28.1.1 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.57.100.0/24 208.28.1.1 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 i --More--   Network Next Hop Metric LocPrf Weight Path *> 180.40.7.66 0 0 300 i * i17.57.101.0/24 208.28.1.1 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.57.102.0/24 208.28.1.1 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.57.103.0/24 208.28.1.1 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.80.0.0/24 17.80.1.2 0 100 0 i * i17.80.1.0/24 17.80.1.2 0 100 0 i * i17.80.2.0/24 17.80.1.2 0 100 0 i * i17.80.3.0/24 17.80.1.2 0 100 0 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 208.28.1.130 0 200 300 i r 180.40.7.130 0 0 300 i r> 180.40.7.66 0 0 300 i --More--   R2(config-router)#exit R2(config)# R2(config)#route-map Peer permit 10 R2(config-route-map)# set ip next-hop peer-address R2(config-route-map)#routre bgp        er bgp 100 R2(config-router)#nei 180.4. 0.7.3 route-map Peer in R2(config-router)#^Z R2#clea i *Mar 1 23:48:06.319: %SYS-5-CONFIG_I: Configured from console by console R2#clea ip bgp * in R2#clea ip bgp * inonfig t  gt6x5 confi gtg tlea ip bgp * in sh ip bgp BGP table version is 26, 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 * i1.1.1.1/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i *> 2.2.2.2/32 0.0.0.0 0 32768 i *>i3.3.3.3/32 180.40.7.3 0 100 0 i *>i4.4.4.4/32 180.40.7.3 0 100 0 i * i5.5.5.5/32 180.40.7.3 0 100 0 300 200 i *> 208.28.1.130 0 0 200 i * 180.40.7.130 0 300 200 i * 180.40.7.66 0 300 200 i * i6.6.6.6/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i --More--   Network Next Hop Metric LocPrf Weight Path * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i * i17.57.101.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.57.102.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.57.103.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i *>i17.80.0.0/24 180.40.7.3 0 100 0 i *>i17.80.1.0/24 180.40.7.3 0 100 0 i *>i17.80.2.0/24 180.40.7.3 0 100 0 i *>i17.80.3.0/24 180.40.7.3 0 100 0 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 208.28.1.130 0 200 300 i r 180.40.7.130 0 0 300 i --More--   Network Next Hop Metric LocPrf Weight Path 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 208.28.1.130 0 200 300 i r 180.40.7.130 0 0 300 i r> 180.40.7.66 0 0 300 i * i208.28.1.0/29 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i * i208.28.1.64/28 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 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> 208.28.1.130 0 0 200 i r 180.40.7.130 0 300 200 i r 180.40.7.66 0 300 200 i R2#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, 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, 8 subnets B 17.80.1.0 [200/0] via 180.40.7.3, 00:00:12 B 17.80.0.0 [200/0] via 180.40.7.3, 00:00:12 B 17.80.3.0 [200/0] via 180.40.7.3, 00:00:12 B 17.80.2.0 [200/0] via 180.40.7.3, 00:00:12 B 17.57.100.0 [20/0] via 180.40.7.66, 00:13:49 B 17.57.101.0 [20/0] via 180.40.7.66, 00:13:49 B 17.57.102.0 [20/0] via 180.40.7.66, 00:13:49 B 17.57.103.0 [20/0] via 180.40.7.66, 00:13:49 1.0.0.0/32 is subnetted, 1 subnets B 1.1.1.1 [20/0] via 180.40.7.66, 00:13:50 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback99 --More--   3.0.0.0/32 is subnetted, 1 subnets B 3.3.3.3 [200/0] via 180.40.7.3, 00:11:09 4.0.0.0/32 is subnetted, 1 subnets B 4.4.4.4 [200/0] via 180.40.7.3, 00:00:14 5.0.0.0/32 is subnetted, 1 subnets B 5.5.5.5 [20/0] via 208.28.1.130, 00:13:50 6.0.0.0/32 is subnetted, 1 subnets B 6.6.6.6 [20/0] via 180.40.7.66, 00:13:50 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 B 208.28.1.64/28 [20/0] via 180.40.7.66, 00:13:50 B 208.28.1.0/29 [20/0] via 180.40.7.66, 00:13:50 180.40.0.0/27 is subnetted, 3 subnets C 180.40.7.128 is directly connected, Serial1/1 C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0 R2# RACK16AS>1 [Resuming connection 1 to r1 ... ] * R1(config-router)#^Z R1#sh *Mar 1 23:50:51.265: %SYS-5-CONFIG_I: Configured from console by console R1#sh run | b router router bgp 300 no synchronization bgp router-id 1.1.1.1 bgp log-neighbor-changes network 1.1.1.1 mask 255.255.255.255 network 17.57.100.0 mask 255.255.255.0 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 17.57.100.2 next-hop-self 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# RACK16AS>2 [Resuming connection 2 to r2 ... ] R2#sh run | b router router bgp 100 no synchronization bgp router-id 2.2.2.2 bgp log-neighbor-changes network 2.2.2.2 mask 255.255.255.255 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 Peer 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 ! no ip http server no ip http secure-server ip classless ! ! ! ! route-map Peer permit 10 set ip next-hop peer-address ! --More--   R2# RACK16AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#^Z R3#sh *Mar 1 23:51:20.125: %SYS-5-CONFIG_I: Configured from console by console R3#sh run | b router router bgp 100 no synchronization bgp router-id 3.3.3.3 bgp log-neighbor-changes network 3.3.3.3 mask 255.255.255.255 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 180.40.7.2 route-reflector-client neighbor 208.28.1.1 remote-as 300 no auto-summary ! no ip http server no ip http secure-server ip classless ! ! ! ! ! call rsvp-sync ! --More--   R3# RACK16AS>4 [Resuming connection 4 to r4 ... ] R4#sh run | b routre  er router bgp 100 no synchronization bgp router-id 4.4.4.4 bgp log-neighbor-changes network 4.4.4.4 mask 255.255.255.255 network 17.80.0.0 mask 255.255.255.0 network 17.80.1.0 mask 255.255.255.0 network 17.80.2.0 mask 255.255.255.0 network 17.80.3.0 mask 255.255.255.0 neighbor 17.80.1.1 remote-as 100 neighbor 17.80.1.1 route-map Peer in no auto-summary ! no ip http server ip classless ! ! ! ! route-map Peer permit 10 set ip next-hop peer-address ! call rsvp-sync --More--   R4# RACK16AS>5 [Resuming connection 5 to r5 ... ] 23:2 S5(config-router)#^Z S5#sh 23:54:59: %SYS-5-CONFIG_I: Configured from console by console S5#sh run | b router router bgp 200 bgp router-id 5.5.5.5 bgp log-neighbor-changes network 5.5.5.5 mask 255.255.255.255 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 ! ! ! line con 0 exec-timeout 0 0 logging synchronous line vty 0 4 login line vty 5 15 login ! end --More--   S5# RACK16AS>6 [Resuming connection 6 to r6 ... ] S6#sh run | b router router bgp 300 no synchronization bgp router-id 6.6.6.6 bgp cluster-id 288974593 bgp log-neighbor-changes network 6.6.6.6 mask 255.255.255.255 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 neighbor 17.57.100.1 remote-as 300 no auto-summary ! ip classless ip http server ! ! ! line con 0 exec-timeout 0 0 line vty 0 4 login line vty 5 15 login --More--   S6# S6# RACK16AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#route     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$ R2(config)# R2(config)# R2(config)# R2(config)# R2(config)#route-map Prob2 ? <0-65535> Sequence to insert to/delete from existing route-map entry deny Route map denies set operations permit Route map permits set operations R2(config)#route-map Prob2 per 10 R2(config-route-map)#match ? as-path Match BGP AS path list clns CLNS information community Match BGP community list extcommunity Match BGP/VPN extended community list interface Match first hop interface of route ip IP specific information ipv6 IPv6 specific information length Packet length metric Match metric of route mpls-label Match routes which have MPLS labels nlri BGP NLRI type policy-list Match IP policy list route-type Match route-type of route tag Match tag of route R2(config-route-map)#match as-path ? <1-500> AS path access-list R2(config-route-map)#match as-path 1 ? <1-500> AS path access-list R2(config-route-map)#match as-path 1 R2(config-route-map)#set ? as-path Prepend string for a BGP AS-path attribute automatic-tag Automatically compute TAG value clns OSI summary address comm-list set BGP community list (for deletion) community BGP community attribute dampening Set BGP route flap dampening parameters default Set default information extcommunity BGP extended community attribute interface Output interface ip IP specific information ipv6 IPv6 specific information level Where to import route local-preference BGP local preference path attribute metric Metric value for destination routing protocol metric-type Type of metric for destination routing protocol mpls-label Set MPLS label for prefix nlri BGP NLRI type origin BGP origin code tag Tag value for destination routing protocol traffic-index BGP traffic classification number for accounting weight BGP weight for routing table R2(config-route-map)#set lo R2(config-route-map)#set local-preference ? <0-4294967295> Preference value R2(config-route-map)#set local-preference 99 ? R2(config-route-map)#set local-preference 99 R2(config-route-map)#set local-preference 99 match as-path 1 route-map Prob2 per 10  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#vcl *Mar 1 23:55:42.210: %SYS-5-CONFIG_I: Configured from console by console R2#vcl   sh ip bgp BGP table version is 26, 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 * i1.1.1.1/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i *> 2.2.2.2/32 0.0.0.0 0 32768 i *>i3.3.3.3/32 180.40.7.3 0 100 0 i *>i4.4.4.4/32 180.40.7.3 0 100 0 i *> 5.5.5.5/32 208.28.1.130 0 0 200 i * 180.40.7.130 0 300 200 i * 180.40.7.66 0 300 200 i * i6.6.6.6/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 i --More--   R2#clea ip bgp * in R2#clea ip bgp * insh ip bgp  BGP table version is 28, 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 * i1.1.1.1/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i *> 2.2.2.2/32 0.0.0.0 0 32768 i *>i3.3.3.3/32 180.40.7.3 0 100 0 i *>i4.4.4.4/32 180.40.7.3 0 100 0 i * 5.5.5.5/32 208.28.1.130 0 99 0 200 i * 180.40.7.130 0 300 200 i *> 180.40.7.66 0 300 200 i * i6.6.6.6/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 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 2.2.2.2 mask 255.255.255.255 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 Peer 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 ! no ip http server no ip http secure-server ip classless ! ip as-path access-list 1 permit ^200$ ! ! ! route-map Prob2 permit 10 --More--   match as-path 1 set local-preference 99 ! route-map Prob2 permit 20 ! route-map Peer permit 10 set ip next-hop peer-address ! ! call rsvp-sync ! ! mgcp profile default ! ! ! dial-peer cor custom ! ! ! ! ! line con 0 --More--   R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#access-list 1 per 17.57.100.0 R2(config)#access-list 1 per 17.57.100.00.0 1.01 per 17.57.101.0 2 per 17.57.101.0 R2(config)#rotue   ute0 -map Prob3a R2(config-route-map)#match ip ac dd 1 R2(config-route-map)#w set w R2(config-route-map)#set weight 5555 R2(config-route-map)#set weight 5555match ip add 1 route-map Prob3a 20 R2(config-route-map)#route-map Prob3a 20set weight 5555 match ip add 1 route-map Prob3a  b  R2(config-route-map)#route-map Prob3b a 20set weight 5555 match ip add 1  2 R2(config-route-map)#match ip add 2route-map Prob3b a 20set weight 5555       7777 R2(config-route-map)#set weight 7777match ip add 2  route-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 OP  Prob3b % Incomplete command. 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 in0 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# *Mar 1 23:59:29.335: %SYS-5-CONFIG_I: Configured from console by console R2#sh ip bgp BGP table version is 28, 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 * i1.1.1.1/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i *> 2.2.2.2/32 0.0.0.0 0 32768 i *>i3.3.3.3/32 180.40.7.3 0 100 0 i *>i4.4.4.4/32 180.40.7.3 0 100 0 i * i5.5.5.5/32 180.40.7.3 0 100 0 300 200 i * 208.28.1.130 0 99 0 200 i * 180.40.7.130 0 300 200 i *> 180.40.7.66 0 300 200 i * i6.6.6.6/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i --More--   R2#cla ea ip bgp * in R2#clea ip bgp * insh ip bgp  BGP table version is 30, 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 * i1.1.1.1/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i *> 2.2.2.2/32 0.0.0.0 0 32768 i *>i3.3.3.3/32 180.40.7.3 0 100 0 i *>i4.4.4.4/32 180.40.7.3 0 100 0 i * i5.5.5.5/32 180.40.7.3 0 100 0 300 200 i * 208.28.1.130 0 99 0 200 i * 180.40.7.130 0 300 200 i *> 180.40.7.66 0 300 200 i * i6.6.6.6/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i --More--   Network Next Hop Metric LocPrf Weight Path * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 5555 300 i * i17.57.101.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i *> 180.40.7.130 7777 300 i * 180.40.7.66 0 300 i * i17.57.102.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i * i17.57.103.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 300 i *> 180.40.7.66 0 300 i *>i17.80.0.0/24 180.40.7.3 0 100 0 i *>i17.80.1.0/24 180.40.7.3 0 100 0 i *>i17.80.2.0/24 180.40.7.3 0 100 0 i *>i17.80.3.0/24 180.40.7.3 0 100 0 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 208.28.1.130 0 200 300 i r 180.40.7.130 0 0 300 i --More--   Network Next Hop Metric LocPrf Weight Path 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 208.28.1.130 0 200 300 i r 180.40.7.130 0 0 300 i r> 180.40.7.66 0 0 300 i * i208.28.1.0/29 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i * i208.28.1.64/28 180.40.7.3 0 100 0 300 i * 208.28.1.130 0 200 300 i * 180.40.7.130 0 0 300 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 208.28.1.130 0 99 0 200 i r 180.40.7.130 0 300 200 i r> 180.40.7.66 0 300 200 i R2# sh   sh ip bgp     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, 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, 8 subnets B 17.80.1.0 [200/0] via 180.40.7.3, 00:12:13 B 17.80.0.0 [200/0] via 180.40.7.3, 00:12:13 B 17.80.3.0 [200/0] via 180.40.7.3, 00:12:13 B 17.80.2.0 [200/0] via 180.40.7.3, 00:12:13 B 17.57.100.0 [20/0] via 180.40.7.66, 00:25:49 B 17.57.101.0 [20/0] via 180.40.7.130, 00:00:43 B 17.57.102.0 [20/0] via 180.40.7.66, 00:25:49 B 17.57.103.0 [20/0] via 180.40.7.66, 00:25:49 1.0.0.0/32 is subnetted, 1 subnets B 1.1.1.1 [20/0] via 180.40.7.66, 00:25:50 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback99 --More--   3.0.0.0/32 is subnetted, 1 subnets B 3.3.3.3 [200/0] via 180.40.7.3, 00:23:10 4.0.0.0/32 is subnetted, 1 subnets B 4.4.4.4 [200/0] via 180.40.7.3, 00:12:14 5.0.0.0/32 is subnetted, 1 subnets B 5.5.5.5 [20/0] via 180.40.7.66, 00:04:27 6.0.0.0/32 is subnetted, 1 subnets B 6.6.6.6 [20/0] via 180.40.7.66, 00:25:51 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 B 208.28.1.64/28 [20/0] via 180.40.7.66, 00:25:51 B 208.28.1.0/29 [20/0] via 180.40.7.66, 00:25:51 180.40.0.0/27 is subnetted, 3 subnets C 180.40.7.128 is directly connected, Serial1/1 C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0 R2#sh run  |  | b router router bgp 100 no synchronization bgp router-id 2.2.2.2 bgp log-neighbor-changes network 2.2.2.2 mask 255.255.255.255 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 Peer 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 ! no ip http server no ip http secure-server ip classless ! ip as-path access-list 1 permit ^200$ ! ! --More--  access-list 1 permit 17.57.100.0 access-list 2 permit 17.57.101.0 ! route-map Prob2 permit 10 match as-path 1 set local-preference 99 ! route-map Prob2 permit 20 ! route-map Peer permit 10 set ip next-hop peer-address ! route-map Prob3a permit 10 match ip address 1 set weight 5555 ! route-map Prob3a permit 20 ! route-map Prob3b permit 10 match ip address 2 set weight 7777 ! route-map Prob3b permit 20 --More--  ! ! call rsvp-sync ! ! mgcp profile default ! ! ! dial-peer cor custom ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 login ! ! --More--   R2# RACK16AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#acces     do sh access-l R1(config)#access  -list 1 per 17.57.10. 2.0 R1(config)#route-map TS5  oS5 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 3000  300 300 300 300 300 R1(config-route-map)#set as-path prepend 300 300 300 300 300 300 300match ip add 1 route-map ToS5 20 R1(config-route-map)#routre    er 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# RACK16AS>5 [Resuming connection 5 to r5 ... ] S5#ship bgp Translating "ship" % Unknown command or computer name, or unable to find computer address S5#sh ip bgp BGP table version is 46, local router ID is 5.5.5.5 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * 1.1.1.1/32 208.28.1.129 0 100 300 i *> 208.28.1.66 0 0 300 i * 2.2.2.2/32 208.28.1.66 0 300 100 i *> 208.28.1.129 0 0 100 i *> 3.3.3.3/32 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i *> 4.4.4.4/32 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i *> 5.5.5.5/32 0.0.0.0 0 32768 i * 6.6.6.6/32 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i * 17.57.100.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 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 --More--   Network Next Hop Metric LocPrf Weight Path *> 208.28.1.66 0 300 i *> 17.80.0.0/24 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i *> 17.80.1.0/24 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i *> 17.80.2.0/24 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i *> 17.80.3.0/24 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 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#q v ceal   lea ip bp * in ^ % Invalid input detected at '^' marker. S5#clea ip bp * ingp * in S5#clea ip bgp * inp * in 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 Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * 1.1.1.1/32 208.28.1.129 0 100 300 i *> 208.28.1.66 0 0 300 i * 2.2.2.2/32 208.28.1.66 0 300 100 i *> 208.28.1.129 0 0 100 i *> 3.3.3.3/32 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i *> 4.4.4.4/32 208.28.1.129 0 100 i * 208.28.1.66 0 300 100 i *> 5.5.5.5/32 0.0.0.0 0 32768 i * 6.6.6.6/32 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i * 17.57.100.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 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 0 300 300 300 300 300 300 300 300 i --More--  * 17.57.103.0/24 208.28.1.129 0 100 300 i --More--  *> 208.28.1.66 0 300 i --More--  *> 17.80.0.0/24 208.28.1.129 0 100 i --More--  * 208.28.1.66 0 300 100 i --More--  *> 17.80.1.0/24 208.28.1.129 0 100 i --More--  * 208.28.1.66 0 300 100 i --More--   S5# RACK16AS>1 [Resuming connection 1 to r1 ... ] *Ma R1#sh run | b router router bgp 300 no synchronization bgp router-id 1.1.1.1 bgp log-neighbor-changes network 1.1.1.1 mask 255.255.255.255 network 17.57.100.0 mask 255.255.255.0 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 17.57.100.2 next-hop-self 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 ! ! --More--  ! access-list 1 permit 17.57.102.0 ! route-map ToS5 permit 10 match ip address 1 set as-path prepend 300 300 300 300 300 300 300 ! route-map ToS5 permit 20 ! ! call rsvp-sync ! ! mgcp profile default ! dial-peer cor custom ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous --More--   R1#6x2 Translating "6x2" Translating "6x2" % Unknown command or computer name, or unable to find computer address R1# R1# RACK16AS>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 ? 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 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) scan-time Configure background scanner interval --More--   R2(config-router)#bgp b R2(config-router)#bgp bestpath ? compare-routerid Compare router-id for identical EBGP paths med MED attribute R2(config-router)#bgp bestpath med ? confed Compare MED among confederation paths missing-as-worst Treat missing MED as the least preferred one R2(config-router)#bgp bestpath med mi R2(config-router)#bgp bestpath med missing-as-worst ? R2(config-router)#bgp bestpath med missing-as-worst R2(config-router)#^Z R2#sh iop *Mar 2 00:07:40.844: %SYS-5-CONFIG_I: Configured from console by console R2#sh iop    p bgp BGP table version is 35, 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 * i1.1.1.1/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 4294967294 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i *> 2.2.2.2/32 0.0.0.0 0 32768 i *>i3.3.3.3/32 180.40.7.3 0 100 0 i *>i4.4.4.4/32 180.40.7.3 0 100 0 i *>i5.5.5.5/32 180.40.7.3 0 100 0 300 200 i * 208.28.1.130 0 99 0 200 i * 180.40.7.130 4294967294 0 300 200 i * 180.40.7.66 4294967294 0 300 200 i *>i6.6.6.6/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 4294967294 0 200 300 i * 180.40.7.130 4294967294 0 300 i * 180.40.7.66 4294967294 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 4294967294 0 200 300 i --More--   R2# RACK16AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#routre  er bgp 100 R3(config-router)#bgp b me m R3(config-router)#bgp b me missing-as-worst R3(config-router)#^Z R3# *Mar 2 00:08:09.451: %SYS-5-CONFIG_I: Configured from console by console R3# RACK16AS>1 [Resuming connection 1 to r1 ... ] R1# RACK16AS>4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router gbp ^ % Invalid input detected at '^' marker. R4(config)#router gbp   bgp 100 R4(config-router)#bgp b m m R4(config-router)#^Z R4# RACK16AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router  re e-   e-map Prob 5 R1(config-route-map)#match ip add 1 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 4294967294          R1(config-route-map)#set metric 4match ip add 1route-map Prob 5 20 ^ % Invalid input detected at '^' marker. R1(config)#route-map Prob 5 20 route-map Prob 5 20set metric 4 route-map Prob 5 20   nroute-map Prob 5oroute-map Prob 5 route-map Prob 5 R1(config)#no route-map Prob 5route-map Prob 5 20set metric 4 match ip add 1route-map Prob 5 5  R1(config-route-map)#route-map Prob5 no route-map Prob 5route-map Prob 5 20set metric 4 match ip add 1set metric 4  R1(config-route-map)#set metric 4route-map Prob5 no route-map Prob 5route-map Prob 5 20set metric 4 match ip add 1 R1(config-route-map)#match ip add 1set metric 4 route-map Prob5 20 R1(config-route-map)#routre bg     er bgp 2 \3  300 R1(config-router)#nei 208.28.1.2 route R1(config-router)#nei 208.28.1.2 route-m R1(config-router)#nei 208.28.1.2 route-map P O Pr  Prob5 out R1(config-router)#^Z R1# *Mar 2 00:12:04.697: %SYS-5-CONFIG_I: Configured from console by console R1#cea  lea ip bg * R1# *Mar 2 00:12:12.101: %BGP-5-ADJCHANGE: neighbor 17.57.100.2 Down User reset *Mar 2 00:12:12.101: %BGP-5-ADJCHANGE: neighbor 180.40.7.65 Down User reset *Mar 2 00:12:12.105: %BGP-5-ADJCHANGE: neighbor 180.40.7.129 Down User reset *Mar 2 00:12:12.105: %BGP-5-ADJCHANGE: neighbor 208.28.1.2 Down User reset *Mar 2 00:12:12.105: %BGP-5-ADJCHANGE: neighbor 208.28.1.65 Down User reset R1# *Mar 2 00:12:37.559: %BGP-5-ADJCHANGE: neighbor 17.57.100.2 Up R1# *Mar 2 00:12:48.196: %BGP-5-ADJCHANGE: neighbor 208.28.1.2 Up R1# *Mar 2 00:12:50.468: %BGP-5-ADJCHANGE: neighbor 208.28.1.65 Up R1# *Mar 2 00:12:52.087: %BGP-5-ADJCHANGE: neighbor 180.40.7.129 Up R1# *Mar 2 00:13:00.064: %BGP-5-ADJCHANGE: neighbor 180.40.7.65 Up R1# RACK16AS>3 [Resuming connection 3 to r3 ... ] *M R3#sh ip v bgp BGP table version is 147, 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 *> 1.1.1.1/32 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *>i2.2.2.2/32 180.40.7.2 0 100 0 i *> 3.3.3.3/32 0.0.0.0 0 32768 i *>i4.4.4.4/32 17.80.1.2 0 100 0 i *> 5.5.5.5/32 208.28.1.1 4294967294 0 300 200 i * i 180.40.7.66 4294967294 100 0 300 200 i * i6.6.6.6/32 180.40.7.66 4294967294 100 0 300 i *> 208.28.1.1 4294967294 0 300 i *> 17.57.100.0/24 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i * i17.57.101.0/24 180.40.7.130 4294967294 100 0 300 i *> 208.28.1.1 4294967294 0 300 i *> 17.57.102.0/24 208.28.1.1 4 0 300 i * i17.57.103.0/24 180.40.7.66 4294967294 100 0 300 i *> 208.28.1.1 4294967294 0 300 i *>i17.80.0.0/24 17.80.1.2 0 100 0 i --More--   Network Next Hop Metric LocPrf Weight Path r>i17.80.1.0/24 17.80.1.2 0 100 0 i *>i17.80.2.0/24 17.80.1.2 0 100 0 i *>i17.80.3.0/24 17.80.1.2 0 100 0 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 4294967294 0 300 200 i * i 180.40.7.66 4294967294 100 0 300 200 i R3#^x2 % Unknown command or computer name, or unable to find computer address R3# R3# RACK16AS>2 [Resuming connection 2 to r2 ... ] * R2#h sh ip bgp BGP table version is 80, 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 * i1.1.1.1/32 180.40.7.3 0 100 0 300 i * 208.28.1.130 4294967294 0 200 300 i * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 0 300 i *> 2.2.2.2/32 0.0.0.0 0 32768 i *>i3.3.3.3/32 180.40.7.3 0 100 0 i *>i4.4.4.4/32 180.40.7.3 0 100 0 i * i5.5.5.5/32 180.40.7.3 4294967294 100 0 300 200 i * 180.40.7.130 4294967294 0 300 200 i *> 180.40.7.66 4294967294 0 300 200 i * 208.28.1.130 0 99 0 200 i * i6.6.6.6/32 180.40.7.3 4294967294 100 0 300 i * 208.28.1.130 4294967294 0 200 300 i *> 180.40.7.66 4294967294 0 300 i * 180.40.7.130 4294967294 0 300 i * i17.57.100.0/24 180.40.7.3 0 100 0 300 i * 208.28.1.130 4294967294 0 200 300 i --More--   Network Next Hop Metric LocPrf Weight Path * 180.40.7.130 0 0 300 i *> 180.40.7.66 0 5555 300 i * i17.57.101.0/24 180.40.7.3 4294967294 100 0 300 i * 208.28.1.130 4294967294 0 200 300 i * 180.40.7.66 4294967294 0 300 i *> 180.40.7.130 4294967294 7777 300 i *>i17.57.102.0/24 180.40.7.3 4 100 0 300 i * 180.40.7.66 4294967294 0 300 i * 180.40.7.130 4294967294 0 300 i * i17.57.103.0/24 180.40.7.3 4294967294 100 0 300 i * 208.28.1.130 4294967294 0 200 300 i *> 180.40.7.66 4294967294 0 300 i * 180.40.7.130 4294967294 0 300 i *>i17.80.0.0/24 180.40.7.3 0 100 0 i *>i17.80.1.0/24 180.40.7.3 0 100 0 i *>i17.80.2.0/24 180.40.7.3 0 100 0 i *>i17.80.3.0/24 180.40.7.3 0 100 0 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 208.28.1.130 4294967294 0 200 300 i r 180.40.7.130 0 0 300 i r> 180.40.7.66 0 0 300 i --More--   R2# RACK16AS>4 [Resuming connection 4 to r4 ... ] 1d R4#sh ip bgp BGP table version is 94, 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 *>i1.1.1.1/32 17.80.1.1 0 100 0 300 i *>i2.2.2.2/32 17.80.1.1 0 100 0 i *>i3.3.3.3/32 17.80.1.1 0 100 0 i *> 4.4.4.4/32 0.0.0.0 0 32768 i *>i5.5.5.5/32 17.80.1.1 4294967294 100 0 300 200 i *>i6.6.6.6/32 17.80.1.1 4294967294 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 4294967294 100 0 300 i *>i17.57.102.0/24 17.80.1.1 4 100 0 300 i *>i17.57.103.0/24 17.80.1.1 4294967294 100 0 300 i *> 17.80.0.0/24 0.0.0.0 0 32768 i *> 17.80.1.0/24 0.0.0.0 0 32768 i *> 17.80.2.0/24 0.0.0.0 0 32768 i *> 17.80.3.0/24 0.0.0.0 0 32768 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 --More--   R4# RACK16AS>1 [Resuming connection 1 to r1 ... ] R1#sh run | b roput    outer router bgp 300 no synchronization bgp router-id 1.1.1.1 bgp log-neighbor-changes network 1.1.1.1 mask 255.255.255.255 network 17.57.100.0 mask 255.255.255.0 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 17.57.100.2 next-hop-self 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 ! --More--  ! ! access-list 1 permit 17.57.102.0 ! route-map Prob5 permit 10 match ip address 1 set metric 4 ! route-map Prob5 permit 20 ! route-map ToS5 permit 10 match ip address 1 set as-path prepend 300 300 300 300 300 300 300 ! route-map ToS5 permit 20 ! ! call rsvp-sync ! ! mgcp profile default ! dial-peer cor custom --More--   R1#^x3 % Unknown command or computer name, or unable to find computer address R1# R1# RACK16AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b router router bgp 100 no synchronization bgp router-id 3.3.3.3 bgp log-neighbor-changes bgp bestpath med missing-as-worst network 3.3.3.3 mask 255.255.255.255 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 180.40.7.2 route-reflector-client neighbor 208.28.1.1 remote-as 300 no auto-summary ! no ip http server no ip http secure-server ip classless ! ! ! ! ! call rsvp-sync --More--   R3# RACK16AS>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 per any R1(config)#routre    er bgp 300 R1(config-router)#nei 180.40.7.129 di R1(config-router)#nei 180.40.7.129 dist R1(config-router)#nei 180.40.7.129 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)#nei 180.40.7.65 distribute-list 2 out129 distribute-list 2 out65 distribute-list 2 out  nei 180.40.7.65 distribute-list 2 out5 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 2 distribute-list 2 out0 distribute-list 2 out8 distribute-list 2 out. distribute-list 2 out2 distribute-list 2 out8 distribute-list 2 out. distribute-list 2 out1 distribute-list 2 out. distribute-list 2 out2 distribute-list 2 out R1(config-router)#^Z R1# *Mar 2 00:18:33.238: %SYS-5-CONFIG_I: Configured from console by console R1#clea ip bgp * out R1# RACK16AS>4 3 [Resuming connection 3 to r3 ... ] R3#sh ip bgp BGP table version is 150, 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 *> 1.1.1.1/32 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *>i2.2.2.2/32 180.40.7.2 0 100 0 i *> 3.3.3.3/32 0.0.0.0 0 32768 i *>i4.4.4.4/32 17.80.1.2 0 100 0 i *> 5.5.5.5/32 208.28.1.1 4294967294 0 300 200 i * i 180.40.7.66 4294967294 100 0 300 200 i * i6.6.6.6/32 180.40.7.66 4294967294 100 0 300 i *> 208.28.1.1 4294967294 0 300 i *> 17.57.100.0/24 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i * i17.57.101.0/24 180.40.7.130 4294967294 100 0 300 i *> 208.28.1.1 4294967294 0 300 i *> 17.57.102.0/24 208.28.1.1 4 0 300 i *>i17.57.103.0/24 208.28.1.130 4294967294 100 0 200 300 i *>i17.80.0.0/24 17.80.1.2 0 100 0 i r>i17.80.1.0/24 17.80.1.2 0 100 0 i --More--   Network Next Hop Metric LocPrf Weight Path *>i17.80.2.0/24 17.80.1.2 0 100 0 i *>i17.80.3.0/24 17.80.1.2 0 100 0 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 4294967294 0 300 200 i * i 180.40.7.66 4294967294 100 0 300 200 i R3# RACK16AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#access-list 3 per 17.57.103.0 R1(config)#routre      do sh run | route-mapbroute-map route-map 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 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 4 ! route-map Prob5 permit 20 ! route-map ToS5 permit 10 match ip address 1 --More--   set as-path prepend 300 300 300 300 300 300 300 ! route-map ToS5 permit 20 ! ! call rsvp-sync ! ! mgcp profile default ! dial-peer cor custom ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 login ! ! --More--   R1(config)#qroute-map ToS5 permit 20 ^ % Invalid input detected at '^' marker. R1(config)#route-map ToS5 permit 20 R1(config-route-map)#match ip add 2 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-exportmatch ip add 3 route-map ToS5 permit 20  30 R1(config-route-map)#^Z R1#clea ip bg *Mar 2 00:20:56.393: %SYS-5-CONFIG_I: Configured from console by console R1#clea ip bg * out R1# RACK16AS>5 [Resuming connection 5 to r5 ... ] 1d00h S5#sh ip bgp BGP table version is 77, local router ID is 5.5.5.5 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal Origin codes: i - IGP, e - EGP, ? - incomplete Network Next Hop Metric LocPrf Weight Path * 1.1.1.1/32 208.28.1.129 0 100 300 i *> 208.28.1.66 0 0 300 i * 2.2.2.2/32 208.28.1.66 0 300 100 i *> 208.28.1.129 0 0 100 i * 3.3.3.3/32 208.28.1.66 0 300 100 i *> 208.28.1.129 0 100 i * 4.4.4.4/32 208.28.1.66 0 300 100 i *> 208.28.1.129 0 100 i *> 5.5.5.5/32 0.0.0.0 0 32768 i * 6.6.6.6/32 208.28.1.129 0 100 300 i *> 208.28.1.66 0 300 i * 17.57.100.0/24 208.28.1.129 0 100 300 i *> 208.28.1.66 0 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 0 300 300 300 300 300 300 300 300 i --More--   S5# RACK16AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip bgp BGP table version is 150, 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 *> 1.1.1.1/32 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i *>i2.2.2.2/32 180.40.7.2 0 100 0 i *> 3.3.3.3/32 0.0.0.0 0 32768 i *>i4.4.4.4/32 17.80.1.2 0 100 0 i *> 5.5.5.5/32 208.28.1.1 4294967294 0 300 200 i * i 180.40.7.66 4294967294 100 0 300 200 i * i6.6.6.6/32 180.40.7.66 4294967294 100 0 300 i *> 208.28.1.1 4294967294 0 300 i *> 17.57.100.0/24 208.28.1.1 0 0 300 i * i 180.40.7.66 0 100 0 300 i * i17.57.101.0/24 180.40.7.130 4294967294 100 0 300 i *> 208.28.1.1 4294967294 0 300 i *> 17.57.102.0/24 208.28.1.1 4 0 300 i *>i17.57.103.0/24 208.28.1.130 4294967294 100 0 200 300 i *>i17.80.0.0/24 17.80.1.2 0 100 0 i r>i17.80.1.0/24 17.80.1.2 0 100 0 i --More--   Network Next Hop Metric LocPrf Weight Path *>i17.80.2.0/24 17.80.1.2 0 100 0 i *>i17.80.3.0/24 17.80.1.2 0 100 0 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 4294967294 0 300 200 i * i 180.40.7.66 4294967294 100 0 300 200 i R3#q  RACK16AS>5 [Resuming connection 5 to r5 ... ] 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 cidr-only Display only routes with non-natural netmasks community Display routes matching the communities community-list Display routes matching the community-list dampened-paths Display paths suppressed due to dampening filter-list Display routes conforming to the filter-list flap-statistics Display flap statistics of routes inconsistent-as Display only routes with inconsistent origin ASs ipv4 Address family neighbors Detailed information on TCP and BGP neighbor connections paths Path information peer-group Display information on peer-groups quote-regexp Display routes matching the AS path "regular expression" regexp Display routes matching the AS path regular expression summary Summary of BGP neighbor status vpnv4 Display VPNv4 NLRI specific information | Output modifiers 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 S5#sh ip bgp community   no-e  S5#sh ip bgp community no-e   S5#sh ip bgp community no-export S5#^x1 % Unknown command or computer name, or unable to find computer address S5# S5# RACK16AS>1 [Resuming connection 1 to r1 ... ] R1#config t\ ^ % Invalid input detected at '^' marker. R1#config t\  Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router bgp 300 R1(config-router)#nei 208.28.1.65 sen R1(config-router)#nei 208.28.1.65 send-c R1(config-router)#nei 208.28.1.65 send-community ? both