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CE1 Configuration
This is an example of the CE1 configuration.
hostname CE1
!
interface Ethernet0
ip address 172.16.1.1 255.255.255.0
no ip directed-broadcast
!
interface Serial0
no ip address
encapsulation frame-relay
service module t1 clock source line
!
interface Serial0.1 point-to-point
frame-relay interface-dlci 123
ip address 10.101.1.2 255.255.255.252
no ip directed-broadcast
!
router ospf 100
redistribute bgp 101
network 172.16.0.0 0.0.255.255 area 100
!
router bgp 101
redistribute ospf 100
no synchronization
network 172.16.0.0
neighbor 10.101.1.1 remote-as 100
!
CE2 Configuration
This is an example of the CE2 configuration.
hostname CE2
!
interface Ethernet0
ip address 172.16.1.2 255.255.255.0
no ip directed-broadcast
!
interface Serial0
no ip address
encapsulation frame-relay
service module t1 clock source line
!
interface Serial0.1 point-to-point
frame-relay interface-dlci 123
ip address 10.101.2.2 255.255.255.252
no ip directed-broadcast
!
router ospf 100
redistribute bgp 101
network 172.16.0.0 0.0.255.255 area 100
!
router bgp 101
redistribute ospf 100
no synchronization
network 172.16.0.0
neighbor 10.101.2.1 remote-as 100
!
CE3 Configuration
This is an example of the CE3 configuration.
hostname CE3
!
interface Ethernet0
ip address 172.16.3.1 255.255.255.0
no ip directed-broadcast
!
interface Serial0
no ip address
encapsulation frame-relay
service module t1 clock source line
!
interface Serial0.1 point-to-point
frame-relay interface-dlci 123
ip address 10.101.3.2 255.255.255.252
no ip directed-broadcast
!
router ospf 100
redistribute bgp 101
network 172.16.0.0 0.0.255.255 area 100
!
router bgp 101
no synchronization
redistribute ospf 100
network 172.16.0.0
neighbor 10.101.3.1 remote-as 100
!
PE1 Configuration
This is an example of the PE1 configuration.
hostname RPM1
!
ip vrf vpn1 ! Define a VRF for VPN 1
rd 100:1
route-target export 100:1
route-target import 100:1
!
ip cef
!
interface loopback0
ip address 10.1.1.1 255.255.255.255
!
interface Switch1
no ip address
!
interface Switch1.1 tag-switching
ip unnumbered Loopback0
atm pvc 50 50 0 aal5snap vbr-nrt 10000 10000 64000
tag-switching atm vp-tunnel 50
tag-switching ip
!
router ospf 1
network 10.1.0.0 0.0.255.255 area 0
interface Switch1.101
ip address 10.101.1.1 255.255.255.252
pvc 0/101
encap aal5snap
vbr-nrt 1500 1500 64000
ip vrf forwarding vpn1
!
interface Switch1.102
ip address 10.101.2.1 255.255.255.252
pvc 0/102
encap aal5snap
vbr-nrt 1500 1500 64000
ip vrf forwarding vpn1
!
router bgp 100
no synchronization
no bgp default ipv4-unicast
neighbor 212.212.212.2 remote-as 100 !define BGP connection to PE2 for IPv4
neighbor 212.212.212.2 update-source Loopback0
!
address-family vpnv4 !define BGP connection to PE2 for VPN routes
neighbor 212.212.212.2 activate
neighbor 212.212.212.2 send-community extended
exit-address-family
!
address-family ipv4 vrf vpn1 ! Define BGP PE-CE sessions for vpn1
neighbor 10.101.1.2 remote-as 101
neighbor 10.101.1.2 activate
neighbor 10.101.2.2 remote-as 101
neighbor 10.101.2.2 activate
no auto-summary
no synchronization
exit-address-family
!
rpmrscprtn par 100 100 1 100 10 4000 3800
addconn vpc switch 1/1.1 50 rslot 0 1 50 master local
addcon vcc Switch1.101 101 rslot 18 1 0 123 master local
addcon vcc Switch1.102 102 rslot 18 2 0 123 master local
!
PE2 Configuration
This is an example of the PE2 configuration.
hostname RPM1
!
ip vrf vpn1 ! Define a VRF for VPN 1
rd 100:1
route-target export 100:1
route-target import 100:1
!
ip cef
!
interface loopback0
ip address 10.1.1.1 255.255.255.255
!
interface Switch1
no ip address
!
interface Switch1.1 tag-switching
ip unnumbered Loopback0
atm pvc 50 50 0 aal5snap vbr-nrt 10000 10000 64000
tag-switching atm vp-tunnel 50
tag-switching ip
!
router ospf 1
network 10.1.0.0 0.0.255.255 area 0
interface Switch1.101
ip address 10.101.3.1 255.255.255.252
pvc 0/101
encap aal5snap
vbr-nrt 1500 1500 64000
ip vrf forwarding vpn1
!
router bgp 100
no synchronization
no bgp default ipv4-unicast
neighbor 212.212.212.1 remote-as 100 !define BGP connection to PE1 for IPv4
neighbor 212.212.212.1 update-source Loopback0
!
address-family vpnv4 !define BGP connection to PE1 for VPN routes
neighbor 212.212.212.1 activate
neighbor 212.212.212.1 send-community extended
exit-address-family
!
address-family ipv4 vrf vpn1 ! Define BGP PE-CE3 session for vpn1
neighbor 10.101.3.2 remote-as 101
neighbor 10.101.3.2 activate
no auto-summary
no synchronization
exit-address-family
!
rpmrscprtn par 100 100 1 100 10 4000 3800
addconn vpc switch 1/1.1 50 rslot 0 1 50 master local
addcon vcc Switch1.101 101 rslot 18 1 0 123 master local
!
Two PE-Three CE Configuration, RIP-connected CE Routers
This is similar to the previous examples except that RIP is used between CE and PE routers. The use of RIP is not recommended when there are "back-door" routes between customer sites, for example, links between CEs, except through the VPN network.
CE1 Configuration
This is an example of the CE1 configuration.
hostname CE1
!
interface Ethernet0
ip address 172.16.1.1 255.255.255.0
no ip directed-broadcast
!
interface Serial0
no ip address
encapsulation frame-relay
service module t1 clock source line
!
interface Serial0.1 point-to-point
frame-relay interface-dlci 123
ip address 10.101.1.2 255.255.255.252
no ip directed-broadcast
!
router rip
version 2
network 10.0.0.0
network 172.16.0.0
no auto-summary
!
CE2 Configuration
This is an example of the CE2 configuration.
hostname CE2
!
interface Ethernet0
ip address 172.16.2.1 255.255.255.0
no ip directed-broadcast
!
interface Serial0
no ip address
encapsulation frame-relay
service module t1 clock source line
!
interface Serial0.1 point-to-point
frame-relay interface-dlci 123
ip address 10.101.2.2 255.255.255.252
no ip directed-broadcast
!
router rip
version 2
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