Topology
Figure 7-63: BGP4+ additional paths
R1
#configure terminal | Enter the Configure mode. |
(config)#interface eth2 | Enter interface mode for interface eth2 |
(config-if)#ipv6 address 1001::1/64 | Configure IPv6 address for the interface eth2 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth3 | Enter interface mode for interface eth3 |
(config-if)#ipv6 address 1002::1/64 | Configure IPv6 address for the interface eth3 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth4 | Enter interface mode for interface eth4 |
(config-if)#ipv6 address 1003::1/64 | Configure IPv6 address for the interface eth4 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth5 | Enter interface mode for interface eth5 |
(config-if)#ipv6 address 1004::1/64 | Configure IPv6 address for the interface eth5 |
(config-if)#exit | Exit the interface mode |
(config)#interface lo | Enter interface mode for loopback lo |
(config-if)#ipv6 address 1090::1/64 | Configure IPv6 address for Loopback interface lo |
(config-if)#exit | Exit the interface mode |
(config)#router bgp 200 | Enter the router bgp mode |
(config-router)#neighbor 1001::2 remote-as 100 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 1002::2 remote-as 100 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 1004::2 remote-as 100 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 1003::2 remote-as 100 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#address-family ipv6 unicast | Enter address-family mode for neighbor router session to activate. |
(config-router-af)#neighbor 1001::2 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 1002::2 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 1003::2 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 1004::2 activate | Activate the neighbor router with peer address. |
(config-router-af)#network 1090::/64 | Activate the neighbor router with peer address. |
(config-router-af)#exit-address-family | Exit Address Family mode and return to Router mode. |
(config-router)#exit | Exit the router BGP mode and enter the config mode |
(config)#commit | Apply commit |
(config)#exit | Exit the config mode |
R2
#configure terminal | Enter the Configure mode. |
(config)#interface eth1 | Enter interface mode for interface eth1 |
(config-if)#ipv6 address 3001::1/64 | Configure IPv6 address for the interface eth1 |
(config-if)#ipv6 router ospf area 0 | Enable OSPFv3 routing on an interface, and assign the Area ID 0. |
(config-if)#exit | Exit the interface mode |
(config)#interface eth2 | Enter interface mode for interface eth2 |
(config-if)#ipv6 address 1001::2/64 | Configure IPv6 address for the interface eth2 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth3 | Enter interface mode for interface eth3 |
(config-if)#ipv6 address 1002::2/64 | Configure IPv6 address for the interface eth3 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth4 | Enter interface mode for interface eth4 |
(config-if)#ipv6 address 1003::2/64 | Configure IPv6 address for the interface eth4 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth5 | Enter interface mode for interface eth5 |
(config-if)#ipv6 address 1004::2/64 | Configure IPv6 address for the interface eth5 |
(config-if)#exit | Exit the interface mode |
(config)#router bgp 100 | Enter the router bgp mode |
(config-router)#neighbor 3001::2 remote-as 100 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 1001::1 remote-as 200 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 1002::1 remote-as 200 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 1003::1 remote-as 200 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 1004::1 remote-as 200 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#address-family ipv6 unicast | Enter address-family mode for neighbor router session to activate. |
(config-router-af)#neighbor 1001::1 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 1002::1 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 1003::1 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 1004::1 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 3001::2 activate | Activate the neighbor router with peer address. |
(config-router-af)#exit-address-family | Exit address family mode. |
(config-router)#exit | Exit the router BGP mode and enter the config mode |
(config)#router ipv6 ospf | Enter Router OSPFv3 mode. |
(config-router)#redistribute connected | Configure Redistribution of Connected networks into OSPF |
(config-router)#exit | Exit the router ospf mode and enter the config mode |
(config)#commit | Apply commit |
(config)#exit | Exit the config mode |
R3
#configure terminal | Enter the Configure mode. |
(config)#interface eth1 | Enter interface mode for interface eth1 |
(config-if)#ipv6 address 3001::2/64 | Configure IPv6 address for the interface eth1 |
(config-if)#ipv6 router ospf area 0 | Enable OSPFv3 routing on an interface, and assign the Area ID 0. |
(config-if)#exit | Exit the interface mode |
(config)#interface eth2 | Enter interface mode for interface eth2 |
(config-if)#ipv6 address 2001::2/64 | Configure IPv6 address for the interface eth2 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth3 | Enter interface mode for interface eth3 |
(config-if)#ipv6 address 2002::2/64 | Configure IPv6 address for the interface eth3 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth4 | Enter interface mode for interface eth4 |
(config-if)#ipv6 address 2003::2/64 | Configure IPv6 address for the interface eth4 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth5 | Enter interface mode for interface eth5 |
(config-if)#ipv6 address 2004::2/64 | Configure IPv6 address for the interface eth5 |
(config-if)#exit | Exit the interface mode |
(config)#router bgp 100 | Enter the router bgp mode |
(config-router)#neighbor 3001::1 remote-as 100 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 2001::1 remote-as 300 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 2002::1 remote-as 300 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 2003::1 remote-as 300 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 2004::1 remote-as 300 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#address-family ipv6 unicast | Enter address-family mode for neighbor router session to activate. |
(config-router-af)#neighbor 2001::1 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 2002::1 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 2003::1 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 2004::1 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 3001::1 activate | Activate the neighbor router with peer address. |
(config-router-af)#exit-address-family | Exit address family mode. |
(config-router)#exit | Exit Router BGP mode |
(config)#router ipv6 ospf | Enter Router OSPFv3 mode. |
(config-router)#redistribute connected | Configure Redistribution of Connected networks into OSPF |
(config-router)#exit | Exit the router ospf mode and enter the config mode |
(config)#commit | Apply commit |
(config)#exit | Exit the config mode |
R4
#configure terminal | Enter the Configure mode. |
(config)#interface eth2 | Enter interface mode for interface eth2 |
(config-if)#ipv6 address 2001::1/64 | Configure IPv6 address for the interface eth2 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth3 | Enter interface mode for interface eth3 |
(config-if)#ipv6 address 2002::1/64 | Configure IPv6 address for the interface eth3 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth4 | Enter interface mode for interface eth4 |
(config-if)#ipv6 address 2003::1/64 | Configure IPv6 address for the interface eth4 |
(config-if)#exit | Exit the interface mode |
(config)#interface eth5 | Enter interface mode for interface eth5 |
(config-if)#ipv6 address 2004::1/64 | Configure IPv6 address for the interface eth5 |
(config-if)#exit | Exit the interface mode |
(config)#interface lo | Enter interface mode for loopback lo |
(config-if)#ipv6 address 9999::1/64 | Configure IPv6 address for Loopback interface lo |
(config-if)#exit | Exit the interface mode |
(config)#router bgp 300 | Enter the router bgp mode |
(config-router)#neighbor 2001::2 remote-as 100 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 2002::2 remote-as 100 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 2003::2 remote-as 100 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#neighbor 2004::2 remote-as 100 | Specify a neighbor router with peer address and remote-as for BGP peering. |
(config-router)#address-family ipv6 unicast | Enter address-family mode for neighbor router session to activate. |
(config-router-af)#neighbor 2001::2 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 2002::2 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 2003::2 activate | Activate the neighbor router with peer address. |
(config-router-af)#neighbor 2004::2 activate | Activate the neighbor router with peer address. |
(config-router-af)#network 9999::/64 | Activate the neighbor router with peer address. |
(config-router-af)#exit-address-family | Exit Address Family mode and return to Router mode. |
(config-router)#exit | Exit the router BGP mode and enter the config mode |
(config)#commit | Apply commit |
(config)#exit | Exit the config mode |
Last modified date: 10/16/2023