R4#show run
Building configuration...

Current configuration : 2841 bytes
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version 12.2
service config
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
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hostname R4
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logging queue-limit 100
enable password w0rksh0p
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ip subnet-zero
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ip dhcp pool DHCPPoolLAN_0
   network 129.24.100.40 255.255.255.248
   dns-server 207.75.164.59 
   default-router 129.24.100.41 
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ipv6 unicast-routing
mpls ldp logging neighbor-changes
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no voice hpi capture buffer
no voice hpi capture destination 
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mta receive maximum-recipients 0
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interface Tunnel0
 description Tunnel to Abilene
 no ip address
 no ip redirects
 no ip proxy-arp
 ipv6 address 2001:468:FF:1B1D::1/64
 tunnel source 129.24.100.6
 tunnel destination 198.32.11.17
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interface FastEthernet0/0
 ip address 129.24.100.6 255.255.255.252
 duplex auto
 speed auto
 ipv6 address 3FFE:3700:1104::/64
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interface Serial0/0
 no ip address
 shutdown
 no fair-queue
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interface FastEthernet0/1
 ip address 128.205.10.7 255.255.255.0
 duplex auto
 speed auto
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interface FastEthernet1/0
 ip address 129.24.100.41 255.255.255.248
 duplex auto
 speed auto
 ipv6 address 2001:468:1000:1::/64
 ipv6 address 3FFE:3700:1104:1::/64
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router ospf 100
 log-adjacency-changes
 redistribute static
 network 129.24.100.0 0.0.0.255 area 0
 network 0.0.0.0 255.255.255.255 area 0
 default-information originate metric 1 metric-type 1
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router bgp 65504
 no synchronization
 bgp router-id 129.24.100.6
 bgp log-neighbor-changes
 neighbor abilene-tunnel peer-group
 neighbor abilene-tunnel remote-as 11537
 neighbor 2001:468:FF:1B1D::2 peer-group abilene-tunnel
 neighbor 3FFE:3700:1104::1 remote-as 65502
 no auto-summary
 !
 address-family ipv4 multicast
 no auto-summary
 no synchronization
 exit-address-family
 !
 address-family ipv6
 neighbor abilene-tunnel activate
 neighbor abilene-tunnel soft-reconfiguration inbound
 neighbor abilene-tunnel prefix-list to-abilene-out out
 neighbor 2001:468:FF:1B1D::2 peer-group abilene-tunnel
 neighbor 3FFE:3700:1104::1 activate
 neighbor 3FFE:3700:1104::1 soft-reconfiguration inbound
 network 2001:468:1000::/39
 network 3FFE:3700:1104::/48
 aggregate-address 2001:468:1000::/39 summary-only
 aggregate-address 3FFE:3700:1104::/48 summary-only
 exit-address-family
 !
 address-family ipv4
 neighbor abilene-tunnel activate
 no neighbor 3FFE:3700:1104::1 activate
 no auto-summary
 no synchronization
 exit-address-family
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ip http server
ip classless
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access-list 1 permit 129.24.100.0 0.0.0.128
ipv6 route 2001:468:1000::/39 Null0
ipv6 route 3FFE:3700:1104::/48 Null0
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ipv6 prefix-list to-abilene-out seq 10 permit 2001:468:1000::/39
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ipv6 prefix-list to-r2-v6 seq 10 permit 3FFE:3700:1104::/48
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call rsvp-sync
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mgcp profile default
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dial-peer cor custom
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line con 0
line aux 0
line vty 0 4
 password w0rksh0p
 login
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end

R4#