hostname ASBR1
!
boot-start-marker
boot-end-marker
!
logging buffered 20000 debugging
!
ip subnet-zero
!
!
no ip domain-lookup
!
!
!
interface Loopback77
 ip address 77.77.77.77 255.255.255.255
 no ip directed-broadcast
!
interface FastEthernet0/0
 no ip address
 no ip directed-broadcast
 shutdown
!
interface Serial2/0
 description ASBR2 S2/0
 ip address 172.16.113.1 255.255.255.0
 no ip directed-broadcast
 serial restart-delay 0
 clockrate 128000
!
interface Serial2/1
 description ASBR2 S2/1
 ip address 172.16.114.1 255.255.255.0
 no ip directed-broadcast
 serial restart-delay 0
 clockrate 128000
!
interface Serial2/2
 ip address 172.16.111.2 255.255.255.0
 no ip directed-broadcast
 serial restart-delay 0
 clockrate 64000
!
interface Serial2/3
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial2/4
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial2/5
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial2/6
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial2/7
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
router bgp 1
 no synchronization
 bgp log-neighbor-changes
 redistribute connected
 neighbor 172.16.111.1 remote-as 65001
 neighbor 172.16.111.1 default-originate
 no auto-summary
!
ip classless
!
!
!
control-plane
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 stopbits 1
line vty 0 4
 privilege level 15
 no login
!
no cns aaa enable
end
-------------

PE1:
hostname PE1
!
boot-start-marker
boot-end-marker
!
logging buffered 20000 debugging
!
ip subnet-zero
!
!
no ip domain-lookup
!
!
!
interface Loopback0
 ip address 10.1.1.1 255.255.255.255
 no ip directed-broadcast
!
interface FastEthernet0/0
 description Port1 on S1
 no ip address
 no ip directed-broadcast
 duplex half
 speed auto
!
interface FastEthernet0/0.21
 description PE2 - VLAN 21
 encapsulation dot1Q 21
 ip address 172.16.12.1 255.255.255.0
 no ip directed-broadcast
 ip router isis
!
interface FastEthernet0/0.31
 description PE3 - VLAN 31
 encapsulation dot1Q 31
 ip address 172.16.13.1 255.255.255.0
 no ip directed-broadcast
!
interface FastEthernet0/1
 no ip address
 no ip directed-broadcast
 shutdown
 duplex half
 speed auto
!
interface ATM1/0
 no ip address
 no ip directed-broadcast
 no atm enable-ilmi-trap
 no atm ilmi-keepalive
!
interface Serial2/0
 ip address 172.16.111.1 255.255.255.0
 no ip directed-broadcast
 serial restart-delay 0
 clockrate 64000
!
interface Serial2/1
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial2/2
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial2/3
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial2/4
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial2/5
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial2/6
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial2/7
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
router isis
 net 48.0000.0001.0001.00
 is-type level-1
 passive-interface Loopback0
!
router bgp 65001
 no synchronization
 bgp log-neighbor-changes
 neighbor 10.1.1.2 remote-as 65001
 neighbor 10.1.1.2 update-source Loopback0
 neighbor 10.1.1.2 next-hop-self
 neighbor 172.16.111.2 remote-as 1
 no auto-summary
!
ip classless
!
!
!
control-plane
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 stopbits 1
line vty 0 4
 privilege level 15
 no login
!
no cns aaa enable
end
--------------------------------------

PE2
hostname PE2
!
boot-start-marker
boot-end-marker
!
logging buffered 20000 debugging
!
ip subnet-zero
!
!
ip cef
no ip domain-lookup
ip vrf ce
 rd 1:100
 route-target export 1:100
 route-target import 1:100
!
!
!
!
interface Loopback0
 ip address 10.1.1.2 255.255.255.255
 no ip directed-broadcast
!
interface FastEthernet0/0
 description Port2 on S1
 no ip address
 no ip directed-broadcast
 duplex half
 speed auto
!
interface FastEthernet0/0.20
 description RR - VLAN 20
 encapsulation dot1Q 20
 ip address 172.16.20.2 255.255.255.0
 no ip directed-broadcast
!
interface FastEthernet0/0.21
 description PE1 - VLAN 21
 encapsulation dot1Q 21
 ip address 172.16.12.2 255.255.255.0
 no ip directed-broadcast
 ip router isis
!
interface FastEthernet0/0.82
 description CE8 - VLAN 82 VPN Green Site 2
 encapsulation dot1Q 82
 ip vrf forwarding ce
 ip address 10.82.1.2 255.255.255.0
 no ip directed-broadcast
!
interface FastEthernet0/0.123
 description PE3 - VLAN 123
 encapsulation dot1Q 123
 ip address 172.16.123.2 255.255.255.0
 no ip directed-broadcast
!
interface FastEthernet0/1
 no ip address
 no ip directed-broadcast
 shutdown
 duplex half
 speed auto
!
interface FastEthernet1/0
 description to BB1-CE5
 ip address 10.12.1.2 255.255.255.0
 no ip directed-broadcast
 duplex half
 speed auto
!
interface FastEthernet1/1
 no ip address
 no ip directed-broadcast
 shutdown
 duplex half
 speed auto
!
router isis
 net 48.0000.0002.0002.00
 is-type level-1
 passive-interface Loopback0
!
router bgp 65001
 no synchronization
 bgp log-neighbor-changes
 redistribute static
 neighbor 10.1.1.1 remote-as 65001
 neighbor 10.1.1.1 update-source Loopback0
 no auto-summary
!
ip classless
ip route 8.8.8.0 255.255.255.0 FastEthernet0/0.82 10.82.1.2
ip route vrf ce 0.0.0.0 0.0.0.0 10.1.1.1 global
ip route vrf ce 8.8.8.0 255.255.255.0 10.82.1.1
ip route vrf ce 172.16.111.0 255.255.255.0 10.1.1.1 global
!
!
!
control-plane
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 stopbits 1
line vty 0 4
 privilege level 15
 no login
!
no cns aaa enable
end
______________________________

CE8:
hostname CE8
!
boot-start-marker
boot-end-marker
!
logging buffered 20000 debugging
!
ip subnet-zero
!
!
no ip domain-lookup
!
!
!
interface Loopback0
 ip address 8.8.8.8 255.255.255.0
 no ip directed-broadcast
!
interface FastEthernet0/0
 description PE2 F0/0.82
 ip address 10.82.1.1 255.255.255.0
 no ip directed-broadcast
 duplex half
 speed auto
!
interface FastEthernet0/1
 no ip address
 no ip directed-broadcast
 shutdown
 duplex half
 speed auto
!
interface Serial1/0
 no ip address
 no ip directed-broadcast
 shutdown
 no fair-queue
 serial restart-delay 0
 clockrate 128000
!
interface Serial1/1
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial1/4
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial1/5
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial1/6
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
interface Serial1/7
 no ip address
 no ip directed-broadcast
 shutdown
 serial restart-delay 0
!
ip classless
ip route 0.0.0.0 0.0.0.0 10.82.1.2
!
!
!
control-plane
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 stopbits 1
line vty 0 4
 privilege level 15
 no login
!
no cns aaa enable
end
_________________________________

In this topology I am not able to ping 77.77.77.77 on ASBR1 from CE8.

can any one help me out for this one.