R1#sh run
Building configuration...

Current configuration : 1236 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
logging queue-limit 100
!
memory-size iomem 10
ip subnet-zero
!
!
no ip domain lookup
!
mpls ldp logging neighbor-changes
!
!
key chain Fred
 key 1
  key-string bosco
!
!
!
!
!
!
!
!
no voice hpi capture buffer
no voice hpi capture destination
!
!
mta receive maximum-recipients 0
!
!
!
!
interface Ethernet0/0
 ip address 208.28.1.66 255.255.255.240
 half-duplex
!
interface Serial0/0
 no ip address
 encapsulation frame-relay
 no fair-queue
!
interface Serial0/0.1 point-to-point
 ip address 208.28.1.1 255.255.255.248
 frame-relay interface-dlci 103
!
interface Ethernet0/1
 ip address 17.57.100.1 255.255.255.0
 ip authentication mode eigrp 100 md5
 ip authentication key-chain eigrp 100 Fred
 half-duplex
!
interface Serial0/1
 no ip address
 shutdown
!
router eigrp 100
 network 17.0.0.0
 network 208.28.1.0
 neighbor 208.28.1.3 Serial0/0.1
 neighbor 208.28.1.2 Serial0/0.1

R1#
RACK98AS>6
[Resuming connection 6 to r6 ... ]

S6#sh run
Building configuration...

Current configuration : 2448 bytes
!
version 12.1
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname S6
!
!
ip subnet-zero
ip routing
!
no ip domain-lookup
!
!
key chain BigDog
 key 1
  key-string bosco
spanning-tree mode pvst
spanning-tree extend system-id
!
!
!
!
!
interface FastEthernet0/1
 switchport access vlan 16
 switchport mode access
!
interface FastEthernet0/2
 switchport access vlan 20
 switchport mode dynamic desirable
!
interface FastEthernet0/3
 switchport mode dynamic desirable
!
interface FastEthernet0/4
 switchport access vlan 30
 switchport mode dynamic desirable
!
interface FastEthernet0/5
 switchport mode dynamic desirable
!
interface FastEthernet0/6
 switchport mode dynamic desirable
!
interface FastEthernet0/7
 switchport mode dynamic desirable
!
interface FastEthernet0/8
 switchport mode dynamic desirable
!
interface FastEthernet0/9
 switchport mode dynamic desirable
!
interface FastEthernet0/10
 switchport mode dynamic desirable
!
interface FastEthernet0/11
 switchport mode dynamic desirable
!
interface FastEthernet0/12
 switchport mode dynamic desirable
!
interface FastEthernet0/13
 switchport mode dynamic desirable
!
interface FastEthernet0/14
 switchport mode dynamic desirable
!
interface FastEthernet0/15
 switchport mode dynamic desirable
!
interface FastEthernet0/16
 switchport mode dynamic desirable
!
interface FastEthernet0/17
 switchport mode dynamic desirable
!
interface FastEthernet0/18
 switchport mode dynamic desirable
!
interface FastEthernet0/19
 switchport mode dynamic desirable
!
interface FastEthernet0/20
 switchport mode dynamic desirable
!
interface FastEthernet0/21
 switchport mode dynamic desirable
!
interface FastEthernet0/22
 switchport mode dynamic desirable
!
interface FastEthernet0/23
 switchport mode dynamic desirable
!
interface FastEthernet0/24
 switchport trunk encapsulation dot1q
 switchport mode dynamic desirable
!
interface GigabitEthernet0/1
 switchport mode dynamic desirable
!
interface GigabitEthernet0/2
 switchport mode dynamic desirable
!
interface Vlan1
 no ip address
 shutdown
!
interface Vlan16
 ip address 17.57.100.2 255.255.255.0
 ip authentication mode eigrp 100 md5
 ip authentication key-chain eigrp 100 BigDog
!
router eigrp 100
 network 17.0.0.0
 no auto-summary
 no eigrp log-neighbor-changes
!
ip classless
ip http server
!
!
line con 0
 exec-timeout 0 0
line vty 0 4
 login
line vty 5 15
 login
!
!
end

S6#