LAB 1 mpls backbone sham link config

mpls ldp router-id lo0

ip vrf vpnA
 rd 100:1
 route-target export 100:1
 route-target import 100:1
!
interface Loopback1
 ip vrf forwarding vpnA
 ip address 7.7.100.5 255.255.255.255
!
interface FastEthernet0/0
 mpls label protocol ldp
 tag-switching ip
!
interface FastEthernet0/1
 ip vrf forwarding vpnA
 ip address 7.7.0.130 255.255.255.224
 !
router ospf 1 vrf vpnA
 router-id 7.7.5.5
 area 0 sham-link 7.7.100.5 7.7.100.4
 area 51 virtual-link 7.7.7.7
 redistribute bgp 100 subnets
 network 7.7.0.130 0.0.0.0 area 51
!
router bgp 100
 no bgp default ipv4-unicast
 neighbor 7.7.4.4 remote-as 100
 neighbor 7.7.4.4 update-source Loopback0
 !
 address-family vpnv4
 neighbor 7.7.4.4 activate
 exit-address-family
 !
 address-family ipv4 vrf vpnA
 redistribute ospf 1 match internal external 1 external 2
 network 7.7.100.5 mask 255.255.255.255
 exit-address-family


R5#s ip bgp vpnv4 all sum | b Nei
Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
7.7.4.4         4   100      21      31      190    0    0 00:11:49       20

R5#s ip ospf ne

Neighbor ID     Pri   State           Dead Time   Address         Interface
7.7.4.4           0   FULL/  -           -        7.7.100.4       OSPF_SL3
7.7.7.7           0   FULL/  -           -        7.7.0.129       OSPF_VL2
7.7.7.7           1   FULL/DR         00:00:37    7.7.0.129       FastEthernet0/1 




tclsh
foreach address {
7.7.1.1
7.7.2.2
7.7.3.3
7.7.7.7
7.7.8.8
7.7.9.9
7.7.10.10
} {ping vrf vpnA $address rep 3}