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Practice Lab CSC

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Salachudin Emir

The document describes the configuration of an MPLS VPN network with two VRF instances to provide connectivity between sites. Key steps include: 1. Configuring IS-IS routing in the backbone to establish an MPLS core network. 2. Configuring VRFs and BGP to enable MPLS VPN services between CE routers. 3. Configuring a second VRF to connect additional CE routers and establish routing between them.

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Network Diagram XR1 XR2 R3 R4 R6R10 R1R7 R2 R9 AS9 R5 AS100 ISIS L2 VRF MSSK VRF MSSK VRF MSSK VRF ABC VRF ABC Configure ISIS level-2 in AS 100 on all transit links and loopback interfaces XR1 router isis 1 is-type level-2-only net 49.0001.0000.0000.0001.00 address-family ipv4 unicast metric-style wide interface Loopback0 address-family ipv4 unicast interface GigabitEthernet0/1/0/0.13 address-family ipv4 unicast interface GigabitEthernet0/1/0/0.14
address-family ipv4 unicast interface POS0/6/0/0 address-family ipv4 unicast XR2 router isis 1 is-type level-2-only net 49.0001.0000.0000.0002.00 address-family ipv4 unicast metric-style wide interface Loopback0 address-family ipv4 unicast interface GigabitEthernet0/4/0/0.23 address-family ipv4 unicast interface GigabitEthernet0/4/0/0.25 address-family ipv4 unicast interface POS0/7/0/0 address-family ipv4 unicast R3 router isis 1 net 49.0001.0000.0000.0003.00 is-type level-2-only metric-style wide passive-interface Loopback0 interface FastEthernet0/0.13 ip router isis 1 interface FastEthernet0/0.23 ip router isis 1 interface FastEthernet0/0.34 ip router isis 1 interface FastEthernet0/0.35 ip router isis 1
R4 interface FastEthernet0/0.34 ip router isis 1 router isis 1 net 49.0001.0000.0000.0004.00 is-type level-2-only metric-style wide passive-interface Loopback0 R5 interface FastEthernet0/0.35 ip router isis 1 router isis 1 net 49.0001.0000.0000.0005.00 is-type level-2-only metric-style wide passive-interface Loopback0 Enable MPLS on all transit links in AS 100, make sure the loopback 0 interface for each router is the router ID XR1 mpls ldp router-id 1.1.1.1 interface GigabitEthernet0/1/0/0.13 interface GigabitEthernet0/1/0/0.14 interface POS0/6/0/0 XR2 mpls ldp router-id 2.2.2.2 interface GigabitEthernet0/4/0/0.23 interface GigabitEthernet0/4/0/0.25 interface POS0/7/0/0
R3 mpls label protocol ldp mpls ldp router-id Loopback0 force interface FastEthernet0/0.13 mpls ip interface FastEthernet0/0.23 mpls ip interface FastEthernet0/0.34 mpls ip interface FastEthernet0/0.35 mpls ip R4 mpls label protocol ldp mpls ldp router-id Loopback0 force interface FastEthernet0/0.34 mpls ip R5 mpls label protocol ldp mpls ldp router-id Loopback0 force interface FastEthernet0/0.35 mpls ip Configure VRF MSSK with rd value of 100:1 and import/export RT of 100:1 and assign the CE connected interfaces to that VRF XR1 vrf MSSK address-family ipv4 unicast import route-target 100:1 export route-target 100:1 interface GigabitEthernet0/1/0/0.12
vrf MSSK ipv4 address 192.1.111.1 255.255.255.0 dot1q vlan 111 XR2 vrf MSSK address-family ipv4 unicast import route-target 100:1 export route-target 100:1 interface GigabitEthernet0/4/0/0.12 vrf MSSK ipv4 address 192.1.222.2 255.255.255.0 dot1q vlan 222 R4 vrf definition MSSK rd 100:1 route-target export 100:1 route-target import 100:1 address-family ipv4 exit-address-family interface FastEthernet0/0.46 vrf forwarding MSSK ip address 192.1.46.4 255.255.255.0 R5 vrf definition MSSK rd 100:1 route-target export 100:1 route-target import 100:1 address-family ipv4 exit-address-family interface FastEthernet0/0.59 vrf forwarding MSSK ip address 192.1.59.5 255.255.255.0
Configure OSPF PID 100 as the PE-CE routing protocol in area 0 XR1 router ospf 100 vrf MSSK router-id 1.1.1.1 address-family ipv4 unicast area 0 interface GigabitEthernet0/1/0/0.12 R1 router ospf 100 router-id 11.11.11.11 network 11.11.11.11 0.0.0.0 area 0 network 192.1.111.11 0.0.0.0 area 0 XR2 router ospf 100 vrf MSSK router-id 2.2.2.2 address-family ipv4 unicast area 0 interface GigabitEthernet0/4/0/0.12 R2 router ospf 100 router-id 22.22.22.22 network 22.22.22.22 0.0.0.0 area 0 network 192.1.222.22 0.0.0.0 area 0 R4 router ospf 100 vrf MSSK router-id 4.4.4.4 network 192.1.46.4 0.0.0.0 area 0 R6 router ospf 100 router-id 6.6.6.6 network 6.6.6.6 0.0.0.0 area 0 network 192.1.46.6 0.0.0.0 area 0
All routers in AS 100 should have only one BGP VPNv4 peering with R3 XR1 router bgp 100 address-family vpnv4 unicast neighbor 3.3.3.3 remote-as 100 update-source Loopback0 address-family vpnv4 unicast XR2 router bgp 100 address-family ipv4 unicast network 109.107.128.1/32 network 109.107.129.1/32 address-family vpnv4 unicast neighbor 3.3.3.3 remote-as 100 update-source Loopback0 address-family vpnv4 unicast R3 router bgp 100 no bgp default ipv4-unicast neighbor 1.1.1.1 remote-as 100 neighbor 1.1.1.1 update-source Loopback0 neighbor 2.2.2.2 remote-as 100 neighbor 2.2.2.2 update-source Loopback0 neighbor 4.4.4.4 remote-as 100 neighbor 4.4.4.4 update-source Loopback0 neighbor 5.5.5.5 remote-as 100 neighbor 5.5.5.5 update-source Loopback0 address-family vpnv4 neighbor 1.1.1.1 activate neighbor 1.1.1.1 send-community both neighbor 1.1.1.1 route-reflector-client neighbor 2.2.2.2 activate neighbor 2.2.2.2 send-community both
neighbor 2.2.2.2 route-reflector-client neighbor 4.4.4.4 activate neighbor 4.4.4.4 send-community both neighbor 4.4.4.4 route-reflector-client neighbor 5.5.5.5 activate neighbor 5.5.5.5 send-community both neighbor 5.5.5.5 route-reflector-client R4 router bgp 100 no bgp default ipv4-unicast bgp log-neighbor-changes neighbor 3.3.3.3 remote-as 100 neighbor 3.3.3.3 update-source Loopback0 address-family vpnv4 neighbor 3.3.3.3 activate neighbor 3.3.3.3 send-community both R5 router bgp 100 no bgp default ipv4-unicast neighbor 3.3.3.3 remote-as 100 neighbor 3.3.3.3 update-source Loopback0 address-family vpnv4 neighbor 3.3.3.3 activate neighbor 3.3.3.3 send-community both Complete the MPLS L3VPN configuration in order to achieve connectivity between R1 , R2 and R6 R5 router ospf 100 vrf MSSK redistribute bgp 100 subnets router bgp 100 address-family ipv4 vrf MSSK redistribute ospf 100 vrf MSSK R4 router ospf 100 vrf MSSK
redistribute bgp 100 subnets router bgp 100 address-family ipv4 vrf MSSK redistribute ospf 100 vrf MSSK XR1 router ospf 100 vrf MSSK redistribute bgp 100 router bgp 100 vrf MSSK rd 100:1 address-family ipv4 unicast redistribute ospf 100 XR2 router ospf 100 vrf MSSK redistribute bgp 100 router bgp 100 vrf MSSK rd 100:1 address-family ipv4 unicast redistribute ospf 100 Configure a new VRF ABC on the CEs with RD value of 200:1 and import/export RT of the same value and assign the interface connecting to customers CEs in that VRF , configure RIPv2 as the CE- CE routing protocol and do the necessary to achieve connectivity between R7 and R10 R1 vrf definition ABC rd 200:1 route-target export 200:1 route-target import 200:1 address-family ipv4 exit-address-family
interface FastEthernet0/0.117 vrf forwarding ABC ip address 192.1.117.11 255.255.255.0 router rip address-family ipv4 vrf ABC redistribute bgp 117 metric transparent network 192.1.117.0 no auto-summary version 2 exit-address-family router bgp 117 no bgp default ipv4-unicast neighbor 6.6.6.6 remote-as 610 neighbor 6.6.6.6 ebgp-multihop 255 neighbor 6.6.6.6 update-source Loopback0 address-family vpnv4 neighbor 6.6.6.6 activate neighbor 6.6.6.6 send-community both neighbor 6.6.6.6 next-hop-unchanged address-family ipv4 vrf ABC redistribute connected redistribute rip exit-address-family R7 router rip version 2 network 7.0.0.0 network 192.1.117.0 no auto-summary R6 vrf definition ABC rd 200:1 route-target export 200:1 route-target import 200:1
address-family ipv4 exit-address-family interface FastEthernet0/0.60 vrf forwarding ABC ip address 192.1.60.6 255.255.255.0 router rip address-family ipv4 vrf ABC redistribute bgp 610 metric transparent network 192.1.60.0 no auto-summary version 2 exit-address-family router bgp 610 no bgp default ipv4-unicast neighbor 11.11.11.11 remote-as 117 neighbor 11.11.11.11 ebgp-multihop 255 neighbor 11.11.11.11 update-source Loopback0 address-family vpnv4 neighbor 11.11.11.11 activate neighbor 11.11.11.11 send-community both neighbor 11.11.11.11 next-hop-unchanged exit-address-family address-family ipv4 vrf ABC redistribute connected redistribute rip exit-address-family XR1 mpls ldp router-id 1.1.1.1 interface GigabitEthernet0/1/0/0.12 R1 interface FastEthernet0/0.12 mpls ip R4
interface FastEthernet0/0.46 mpls ip R6 interface FastEthernet0/0.46 mpls ip Configure BGP peering between XR2 and R9 and advertise loopback 1 and 2 interfaces on each router R9 is located in AS9 XR2 interface GigabitEthernet0/4/0/0.29 ipv4 address 212.118.0.2 255.255.255.0 dot1q vlan 29 interface Loopback1 ipv4 address 109.107.128.1 255.255.255.255 interface Loopback2 ipv4 address 109.107.129.1 255.255.255.255 route-policy PASS pass end-policy router bgp 100 address-family ipv4 unicast network 109.107.128.1/32 network 109.107.129.1/32 neighbor 212.118.0.9 remote-as 9 address-family ipv4 unicast route-policy PASS in route-policy PASS out R9 interface FastEthernet0/1 ip address 212.118.0.9 255.255.255.0 speed auto full-duplex
interface Loopback1 ip address 92.62.113.1 255.255.255.255 interface Loopback2 ip address 92.62.114.1 255.255.255.255 router bgp 9 no bgp default ipv4-unicast neighbor 212.118.0.2 remote-as 100 address-family ipv4 neighbor 212.118.0.2 activate network 92.62.113.1 mask 255.255.255.255 network 92.62.114.1 mask 255.255.255.255 Initial Configuration Files R1 hostname R1 interface Loopback0 ip address 11.11.11.11 255.255.255.255 interface FastEthernet0/0 no ip address duplex full no shutdown interface FastEthernet0/0.12 encapsulation dot1Q 111 ip address 192.1.111.11 255.255.255.0 interface FastEthernet0/0.117 encapsulation dot1Q 117 ip address 192.1.117.11 255.255.255.0 R2 hostname R2 interface Loopback0 ip address 22.22.22.22 255.255.255.255
interface FastEthernet0/0 no ip address duplex full no shutdown interface FastEthernet0/0.12 encapsulation dot1Q 222 ip address 192.1.222.22 255.255.255.0 R3 hostname R3 interface Loopback0 ip address 3.3.3.3 255.255.255.255 interface FastEthernet0/0 no ip address duplex full no shutdown interface FastEthernet0/0.13 encapsulation dot1Q 13 ip address 192.1.13.3 255.255.255.0 interface FastEthernet0/0.23 encapsulation dot1Q 23 ip address 192.1.23.3 255.255.255.0 interface FastEthernet0/0.34 encapsulation dot1Q 34 ip address 192.1.34.3 255.255.255.0 interface FastEthernet0/0.35 encapsulation dot1Q 35 ip address 192.1.35.3 255.255.255.0 R4 hostname R4 interface Loopback0 ip address 4.4.4.4 255.255.255.255
interface FastEthernet0/0 no ip address duplex full no shutdown interface FastEthernet0/0.34 encapsulation dot1Q 34 ip address 192.1.34.4 255.255.255.0 interface FastEthernet0/0.46 encapsulation dot1Q 46 ip address 192.1.46.4 255.255.255.0 R5 hostname R5 interface Loopback0 ip address 5.5.5.5 255.255.255.255 interface FastEthernet0/0 no ip address duplex full no shutdown interface FastEthernet0/0.35 encapsulation dot1Q 35 ip address 192.1.35.5 255.255.255.0 interface FastEthernet0/0.59 encapsulation dot1Q 59 ip address 192.1.59.5 255.255.255.0 R6 hostname R6 interface Loopback0 ip address 6.6.6.6 255.255.255.255 ! interface FastEthernet0/0 no ip address duplex full no shutdown
interface FastEthernet0/0.46 encapsulation dot1Q 46 ip address 192.1.46.6 255.255.255.0 interface FastEthernet0/0.60 encapsulation dot1Q 610 ip address 192.1.60.6 255.255.255.0 R7 hostname R7 interface Loopback0 ip address 7.7.7.7 255.255.255.255 interface FastEthernet0/0 ip address 192.1.117.7 255.255.255.0 speed auto full-duplex R9 hostname R9 interface Loopback0 ip address 9.9.9.9 255.255.255.255 interface Loopback1 ip address 92.62.113.1 255.255.255.255 interface Loopback2 ip address 92.62.114.1 255.255.255.255 interface FastEthernet0/1 ip address 212.118.0.9 255.255.255.0 speed auto full-duplex R10 hostname R10 interface Loopback0 ip address 10.10.10.10 255.255.255.255
interface FastEthernet0/0 ip address 192.1.60.10 255.255.255.0 speed auto full-duplex XR1 hostname XR1 interface Loopback0 ipv4 address 1.1.1.1 255.255.255.255 interface GigabitEthernet0/1/0/0.12 ipv4 address 192.1.111.1 255.255.255.0 dot1q vlan 111 interface GigabitEthernet0/1/0/0.13 ipv4 address 192.1.13.1 255.255.255.0 dot1q vlan 13 interface GigabitEthernet0/1/0/0.14 ipv4 address 192.1.14.1 255.255.255.0 dot1q vlan 14 interface POS0/6/0/0 ipv4 address 192.1.12.1 255.255.255.0 encapsulation ppp XR2 hostname XR2 interface Loopback0 ipv4 address 2.2.2.2 255.255.255.255 interface Loopback1 ipv4 address 109.107.128.1 255.255.255.255 interface Loopback2 ipv4 address 109.107.129.1 255.255.255.255 interface GigabitEthernet0/4/0/0.12 ipv4 address 192.1.222.2 255.255.255.0 dot1q vlan 222
interface GigabitEthernet0/4/0/0.23 ipv4 address 192.1.23.2 255.255.255.0 dot1q vlan 23 interface GigabitEthernet0/4/0/0.25 ipv4 address 192.1.25.2 255.255.255.0 dot1q vlan 25 interface GigabitEthernet0/4/0/0.29 ipv4 address 212.118.0.2 255.255.255.0 dot1q vlan 29 interface POS0/7/0/0 ipv4 address 192.1.12.2 255.255.255.0 encapsulation ppp

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Practice Lab CSC

  • 1. Network Diagram XR1 XR2 R3 R4 R6R10 R1R7 R2 R9 AS9 R5 AS100 ISIS L2 VRF MSSK VRF MSSK VRF MSSK VRF ABC VRF ABC Configure ISIS level-2 in AS 100 on all transit links and loopback interfaces XR1 router isis 1 is-type level-2-only net 49.0001.0000.0000.0001.00 address-family ipv4 unicast metric-style wide interface Loopback0 address-family ipv4 unicast interface GigabitEthernet0/1/0/0.13 address-family ipv4 unicast interface GigabitEthernet0/1/0/0.14
  • 2. address-family ipv4 unicast interface POS0/6/0/0 address-family ipv4 unicast XR2 router isis 1 is-type level-2-only net 49.0001.0000.0000.0002.00 address-family ipv4 unicast metric-style wide interface Loopback0 address-family ipv4 unicast interface GigabitEthernet0/4/0/0.23 address-family ipv4 unicast interface GigabitEthernet0/4/0/0.25 address-family ipv4 unicast interface POS0/7/0/0 address-family ipv4 unicast R3 router isis 1 net 49.0001.0000.0000.0003.00 is-type level-2-only metric-style wide passive-interface Loopback0 interface FastEthernet0/0.13 ip router isis 1 interface FastEthernet0/0.23 ip router isis 1 interface FastEthernet0/0.34 ip router isis 1 interface FastEthernet0/0.35 ip router isis 1
  • 3. R4 interface FastEthernet0/0.34 ip router isis 1 router isis 1 net 49.0001.0000.0000.0004.00 is-type level-2-only metric-style wide passive-interface Loopback0 R5 interface FastEthernet0/0.35 ip router isis 1 router isis 1 net 49.0001.0000.0000.0005.00 is-type level-2-only metric-style wide passive-interface Loopback0 Enable MPLS on all transit links in AS 100, make sure the loopback 0 interface for each router is the router ID XR1 mpls ldp router-id 1.1.1.1 interface GigabitEthernet0/1/0/0.13 interface GigabitEthernet0/1/0/0.14 interface POS0/6/0/0 XR2 mpls ldp router-id 2.2.2.2 interface GigabitEthernet0/4/0/0.23 interface GigabitEthernet0/4/0/0.25 interface POS0/7/0/0
  • 4. R3 mpls label protocol ldp mpls ldp router-id Loopback0 force interface FastEthernet0/0.13 mpls ip interface FastEthernet0/0.23 mpls ip interface FastEthernet0/0.34 mpls ip interface FastEthernet0/0.35 mpls ip R4 mpls label protocol ldp mpls ldp router-id Loopback0 force interface FastEthernet0/0.34 mpls ip R5 mpls label protocol ldp mpls ldp router-id Loopback0 force interface FastEthernet0/0.35 mpls ip Configure VRF MSSK with rd value of 100:1 and import/export RT of 100:1 and assign the CE connected interfaces to that VRF XR1 vrf MSSK address-family ipv4 unicast import route-target 100:1 export route-target 100:1 interface GigabitEthernet0/1/0/0.12
  • 5. vrf MSSK ipv4 address 192.1.111.1 255.255.255.0 dot1q vlan 111 XR2 vrf MSSK address-family ipv4 unicast import route-target 100:1 export route-target 100:1 interface GigabitEthernet0/4/0/0.12 vrf MSSK ipv4 address 192.1.222.2 255.255.255.0 dot1q vlan 222 R4 vrf definition MSSK rd 100:1 route-target export 100:1 route-target import 100:1 address-family ipv4 exit-address-family interface FastEthernet0/0.46 vrf forwarding MSSK ip address 192.1.46.4 255.255.255.0 R5 vrf definition MSSK rd 100:1 route-target export 100:1 route-target import 100:1 address-family ipv4 exit-address-family interface FastEthernet0/0.59 vrf forwarding MSSK ip address 192.1.59.5 255.255.255.0
  • 6. Configure OSPF PID 100 as the PE-CE routing protocol in area 0 XR1 router ospf 100 vrf MSSK router-id 1.1.1.1 address-family ipv4 unicast area 0 interface GigabitEthernet0/1/0/0.12 R1 router ospf 100 router-id 11.11.11.11 network 11.11.11.11 0.0.0.0 area 0 network 192.1.111.11 0.0.0.0 area 0 XR2 router ospf 100 vrf MSSK router-id 2.2.2.2 address-family ipv4 unicast area 0 interface GigabitEthernet0/4/0/0.12 R2 router ospf 100 router-id 22.22.22.22 network 22.22.22.22 0.0.0.0 area 0 network 192.1.222.22 0.0.0.0 area 0 R4 router ospf 100 vrf MSSK router-id 4.4.4.4 network 192.1.46.4 0.0.0.0 area 0 R6 router ospf 100 router-id 6.6.6.6 network 6.6.6.6 0.0.0.0 area 0 network 192.1.46.6 0.0.0.0 area 0
  • 7. All routers in AS 100 should have only one BGP VPNv4 peering with R3 XR1 router bgp 100 address-family vpnv4 unicast neighbor 3.3.3.3 remote-as 100 update-source Loopback0 address-family vpnv4 unicast XR2 router bgp 100 address-family ipv4 unicast network 109.107.128.1/32 network 109.107.129.1/32 address-family vpnv4 unicast neighbor 3.3.3.3 remote-as 100 update-source Loopback0 address-family vpnv4 unicast R3 router bgp 100 no bgp default ipv4-unicast neighbor 1.1.1.1 remote-as 100 neighbor 1.1.1.1 update-source Loopback0 neighbor 2.2.2.2 remote-as 100 neighbor 2.2.2.2 update-source Loopback0 neighbor 4.4.4.4 remote-as 100 neighbor 4.4.4.4 update-source Loopback0 neighbor 5.5.5.5 remote-as 100 neighbor 5.5.5.5 update-source Loopback0 address-family vpnv4 neighbor 1.1.1.1 activate neighbor 1.1.1.1 send-community both neighbor 1.1.1.1 route-reflector-client neighbor 2.2.2.2 activate neighbor 2.2.2.2 send-community both
  • 8. neighbor 2.2.2.2 route-reflector-client neighbor 4.4.4.4 activate neighbor 4.4.4.4 send-community both neighbor 4.4.4.4 route-reflector-client neighbor 5.5.5.5 activate neighbor 5.5.5.5 send-community both neighbor 5.5.5.5 route-reflector-client R4 router bgp 100 no bgp default ipv4-unicast bgp log-neighbor-changes neighbor 3.3.3.3 remote-as 100 neighbor 3.3.3.3 update-source Loopback0 address-family vpnv4 neighbor 3.3.3.3 activate neighbor 3.3.3.3 send-community both R5 router bgp 100 no bgp default ipv4-unicast neighbor 3.3.3.3 remote-as 100 neighbor 3.3.3.3 update-source Loopback0 address-family vpnv4 neighbor 3.3.3.3 activate neighbor 3.3.3.3 send-community both Complete the MPLS L3VPN configuration in order to achieve connectivity between R1 , R2 and R6 R5 router ospf 100 vrf MSSK redistribute bgp 100 subnets router bgp 100 address-family ipv4 vrf MSSK redistribute ospf 100 vrf MSSK R4 router ospf 100 vrf MSSK
  • 9. redistribute bgp 100 subnets router bgp 100 address-family ipv4 vrf MSSK redistribute ospf 100 vrf MSSK XR1 router ospf 100 vrf MSSK redistribute bgp 100 router bgp 100 vrf MSSK rd 100:1 address-family ipv4 unicast redistribute ospf 100 XR2 router ospf 100 vrf MSSK redistribute bgp 100 router bgp 100 vrf MSSK rd 100:1 address-family ipv4 unicast redistribute ospf 100 Configure a new VRF ABC on the CEs with RD value of 200:1 and import/export RT of the same value and assign the interface connecting to customers CEs in that VRF , configure RIPv2 as the CE- CE routing protocol and do the necessary to achieve connectivity between R7 and R10 R1 vrf definition ABC rd 200:1 route-target export 200:1 route-target import 200:1 address-family ipv4 exit-address-family
  • 10. interface FastEthernet0/0.117 vrf forwarding ABC ip address 192.1.117.11 255.255.255.0 router rip address-family ipv4 vrf ABC redistribute bgp 117 metric transparent network 192.1.117.0 no auto-summary version 2 exit-address-family router bgp 117 no bgp default ipv4-unicast neighbor 6.6.6.6 remote-as 610 neighbor 6.6.6.6 ebgp-multihop 255 neighbor 6.6.6.6 update-source Loopback0 address-family vpnv4 neighbor 6.6.6.6 activate neighbor 6.6.6.6 send-community both neighbor 6.6.6.6 next-hop-unchanged address-family ipv4 vrf ABC redistribute connected redistribute rip exit-address-family R7 router rip version 2 network 7.0.0.0 network 192.1.117.0 no auto-summary R6 vrf definition ABC rd 200:1 route-target export 200:1 route-target import 200:1
  • 11. address-family ipv4 exit-address-family interface FastEthernet0/0.60 vrf forwarding ABC ip address 192.1.60.6 255.255.255.0 router rip address-family ipv4 vrf ABC redistribute bgp 610 metric transparent network 192.1.60.0 no auto-summary version 2 exit-address-family router bgp 610 no bgp default ipv4-unicast neighbor 11.11.11.11 remote-as 117 neighbor 11.11.11.11 ebgp-multihop 255 neighbor 11.11.11.11 update-source Loopback0 address-family vpnv4 neighbor 11.11.11.11 activate neighbor 11.11.11.11 send-community both neighbor 11.11.11.11 next-hop-unchanged exit-address-family address-family ipv4 vrf ABC redistribute connected redistribute rip exit-address-family XR1 mpls ldp router-id 1.1.1.1 interface GigabitEthernet0/1/0/0.12 R1 interface FastEthernet0/0.12 mpls ip R4
  • 12. interface FastEthernet0/0.46 mpls ip R6 interface FastEthernet0/0.46 mpls ip Configure BGP peering between XR2 and R9 and advertise loopback 1 and 2 interfaces on each router R9 is located in AS9 XR2 interface GigabitEthernet0/4/0/0.29 ipv4 address 212.118.0.2 255.255.255.0 dot1q vlan 29 interface Loopback1 ipv4 address 109.107.128.1 255.255.255.255 interface Loopback2 ipv4 address 109.107.129.1 255.255.255.255 route-policy PASS pass end-policy router bgp 100 address-family ipv4 unicast network 109.107.128.1/32 network 109.107.129.1/32 neighbor 212.118.0.9 remote-as 9 address-family ipv4 unicast route-policy PASS in route-policy PASS out R9 interface FastEthernet0/1 ip address 212.118.0.9 255.255.255.0 speed auto full-duplex
  • 13. interface Loopback1 ip address 92.62.113.1 255.255.255.255 interface Loopback2 ip address 92.62.114.1 255.255.255.255 router bgp 9 no bgp default ipv4-unicast neighbor 212.118.0.2 remote-as 100 address-family ipv4 neighbor 212.118.0.2 activate network 92.62.113.1 mask 255.255.255.255 network 92.62.114.1 mask 255.255.255.255 Initial Configuration Files R1 hostname R1 interface Loopback0 ip address 11.11.11.11 255.255.255.255 interface FastEthernet0/0 no ip address duplex full no shutdown interface FastEthernet0/0.12 encapsulation dot1Q 111 ip address 192.1.111.11 255.255.255.0 interface FastEthernet0/0.117 encapsulation dot1Q 117 ip address 192.1.117.11 255.255.255.0 R2 hostname R2 interface Loopback0 ip address 22.22.22.22 255.255.255.255
  • 14. interface FastEthernet0/0 no ip address duplex full no shutdown interface FastEthernet0/0.12 encapsulation dot1Q 222 ip address 192.1.222.22 255.255.255.0 R3 hostname R3 interface Loopback0 ip address 3.3.3.3 255.255.255.255 interface FastEthernet0/0 no ip address duplex full no shutdown interface FastEthernet0/0.13 encapsulation dot1Q 13 ip address 192.1.13.3 255.255.255.0 interface FastEthernet0/0.23 encapsulation dot1Q 23 ip address 192.1.23.3 255.255.255.0 interface FastEthernet0/0.34 encapsulation dot1Q 34 ip address 192.1.34.3 255.255.255.0 interface FastEthernet0/0.35 encapsulation dot1Q 35 ip address 192.1.35.3 255.255.255.0 R4 hostname R4 interface Loopback0 ip address 4.4.4.4 255.255.255.255
  • 15. interface FastEthernet0/0 no ip address duplex full no shutdown interface FastEthernet0/0.34 encapsulation dot1Q 34 ip address 192.1.34.4 255.255.255.0 interface FastEthernet0/0.46 encapsulation dot1Q 46 ip address 192.1.46.4 255.255.255.0 R5 hostname R5 interface Loopback0 ip address 5.5.5.5 255.255.255.255 interface FastEthernet0/0 no ip address duplex full no shutdown interface FastEthernet0/0.35 encapsulation dot1Q 35 ip address 192.1.35.5 255.255.255.0 interface FastEthernet0/0.59 encapsulation dot1Q 59 ip address 192.1.59.5 255.255.255.0 R6 hostname R6 interface Loopback0 ip address 6.6.6.6 255.255.255.255 ! interface FastEthernet0/0 no ip address duplex full no shutdown
  • 16. interface FastEthernet0/0.46 encapsulation dot1Q 46 ip address 192.1.46.6 255.255.255.0 interface FastEthernet0/0.60 encapsulation dot1Q 610 ip address 192.1.60.6 255.255.255.0 R7 hostname R7 interface Loopback0 ip address 7.7.7.7 255.255.255.255 interface FastEthernet0/0 ip address 192.1.117.7 255.255.255.0 speed auto full-duplex R9 hostname R9 interface Loopback0 ip address 9.9.9.9 255.255.255.255 interface Loopback1 ip address 92.62.113.1 255.255.255.255 interface Loopback2 ip address 92.62.114.1 255.255.255.255 interface FastEthernet0/1 ip address 212.118.0.9 255.255.255.0 speed auto full-duplex R10 hostname R10 interface Loopback0 ip address 10.10.10.10 255.255.255.255
  • 17. interface FastEthernet0/0 ip address 192.1.60.10 255.255.255.0 speed auto full-duplex XR1 hostname XR1 interface Loopback0 ipv4 address 1.1.1.1 255.255.255.255 interface GigabitEthernet0/1/0/0.12 ipv4 address 192.1.111.1 255.255.255.0 dot1q vlan 111 interface GigabitEthernet0/1/0/0.13 ipv4 address 192.1.13.1 255.255.255.0 dot1q vlan 13 interface GigabitEthernet0/1/0/0.14 ipv4 address 192.1.14.1 255.255.255.0 dot1q vlan 14 interface POS0/6/0/0 ipv4 address 192.1.12.1 255.255.255.0 encapsulation ppp XR2 hostname XR2 interface Loopback0 ipv4 address 2.2.2.2 255.255.255.255 interface Loopback1 ipv4 address 109.107.128.1 255.255.255.255 interface Loopback2 ipv4 address 109.107.129.1 255.255.255.255 interface GigabitEthernet0/4/0/0.12 ipv4 address 192.1.222.2 255.255.255.0 dot1q vlan 222
  • 18. interface GigabitEthernet0/4/0/0.23 ipv4 address 192.1.23.2 255.255.255.0 dot1q vlan 23 interface GigabitEthernet0/4/0/0.25 ipv4 address 192.1.25.2 255.255.255.0 dot1q vlan 25 interface GigabitEthernet0/4/0/0.29 ipv4 address 212.118.0.2 255.255.255.0 dot1q vlan 29 interface POS0/7/0/0 ipv4 address 192.1.12.2 255.255.255.0 encapsulation ppp