Max Clark Entrepreneur, Investor, Thrill Seeker

Enable IPv6 on Cisco 6500 / 7600 Routers

We recently enabled IPv6 across our backbone. The following is an example configuration for a 7600 router running the SUP 720. All operations listed here resulted in zero downtime or impact to the existing IPv4 customers and IPv4 BGP peers.

ipv6 unicast-routing interface Loopback0 ipv6 address xxxx:yyyy::1/128 ipv6 enable ! interface GigabitEthernet2/2 ipv6 address aaaa:bbbb:0:2::FFE2/126 ipv6 enable ipv6 nd suppress-ra ! router bgp 65534 no bgp default ipv4-unicast neighbor ipv6peer peer-group neighbor ipv6peer description IPv6 Peer Group neighbor ipv6peer version 4 neighbor cccc:dddd::1 remote-as 65535 neighbor cccc:dddd::1 peer-group ipv6peer address-family ipv6 network xxxx:yyyy::0/32 neighbor ipv6peer activate neighbor ipv6peer next-hop-self neighbor ipv6peer send-community neighbor ipv6peer remove-private-as neighbor ipv6peer soft-reconfiguration inbound neighbor aaaa:bbbb:0:2::FFE1 peer-group ipv6peer neighbor aaaa:bbbb:0:2::FFE1 activate exit ! ipv6 route xxxx:yyyy::0/32 Null0 254

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