R4#
R4#sh run
Building configuration...

Current configuration : 3019 bytes
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version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
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hostname R4
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boot-start-marker
boot-end-marker
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logging buffered 4096
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aaa new-model
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aaa authentication login default none
aaa authentication enable default none
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aaa session-id common
memory-size iomem 5
ip cef
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no ip domain lookup
ip host R1 1.1.1.1
ip host R2 2.2.2.2
ip host R3 3.3.3.3
ip host R4 4.4.4.4
ip host R5 5.5.5.5
ip host R6 6.6.6.6
ip multicast-routing
ipv6 unicast-routing
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multilink bundle-name authenticated
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archive
 log config
  hidekeys
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interface Loopback0
 ip address 4.4.4.4 255.255.255.255
 ip pim sparse-dense-mode
 ip ospf network point-to-point
 ipv6 address 2002:DB8:FFFF::4/128
 ipv6 ospf 1 area 0
!
interface FastEthernet0/0
 description [TO R1]
 no ip address
 ip pim sparse-dense-mode
 ip ospf network point-to-point
 shutdown
 speed 100
 full-duplex
 ipv6 address autoconfig
 ipv6 ospf network point-to-point
 ipv6 ospf 1 area 0
!
interface FastEthernet0/1
 no ip address
 ip pim sparse-dense-mode
 ip ospf network point-to-point
 speed 100
 full-duplex
!
interface FastEthernet1/0
 description [To R3]
 ip address 100.64.0.18 255.255.255.252
 ip pim sparse-dense-mode
 ip ospf network point-to-point
 speed 100
 full-duplex
 ipv6 address autoconfig
 ipv6 ospf network point-to-point
 ipv6 ospf 1 area 0
 mpls ip
!
interface FastEthernet2/0
 description [To R4 LAN]
 ip address 192.168.4.1 255.255.255.0
 ip pim sparse-dense-mode
 ip igmp join-group 239.1.1.1
 ip ospf network point-to-point
 speed 100
 full-duplex
!
router ospf 1
 router-id 4.4.4.4
 log-adjacency-changes
 network 0.0.0.0 255.255.255.255 area 0
!
router bgp 65000
 bgp router-id 4.4.4.4
 bgp log-neighbor-changes
 neighbor MPLS peer-group
 neighbor MPLS remote-as 65000
 neighbor MPLS ebgp-multihop 255
 neighbor MPLS update-source Loopback0
 neighbor 1.1.1.1 peer-group MPLS
 neighbor 2.2.2.2 peer-group MPLS
 neighbor 3.3.3.3 peer-group MPLS
 neighbor 5.5.5.5 peer-group MPLS
 neighbor 6.6.6.6 peer-group MPLS
 !
 address-family ipv4
  neighbor MPLS route-reflector-client
  neighbor 1.1.1.1 activate
  neighbor 2.2.2.2 activate
  neighbor 3.3.3.3 activate
  neighbor 5.5.5.5 activate
  neighbor 6.6.6.6 activate
  no auto-summary
  no synchronization
  network 4.4.4.4 mask 255.255.255.255
 exit-address-family
 !
 address-family vpnv4
  neighbor MPLS send-community extended
  neighbor 1.1.1.1 activate
  neighbor 2.2.2.2 activate
  neighbor 3.3.3.3 activate
  neighbor 5.5.5.5 activate
  neighbor 6.6.6.6 activate
 exit-address-family
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ip forward-protocol nd
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no ip http server
no ip http secure-server
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ipv6 router ospf 1
 router-id 4.4.4.4
 log-adjacency-changes
 auto-cost reference-bandwidth 4294967
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mpls ldp router-id Loopback0 force
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control-plane
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line con 0
 logging synchronous
line aux 0
line vty 0 4
 privilege level 15
line vty 5 15
 privilege level 15
!
!
end

R4#