Cisco dual stack CE BGP configuration suggestions

Dan White dwhite at olp.net
Thu Jan 20 18:25:39 CET 2011


On 20/01/11 18:15 +0100, Roger Wiklund wrote:
>I'm putting togheter a template for CE/CPE router config with dualstack and BGP.


>OR
>
>router bgp 172
> bgp log-neighbor-changes
> neighbor 172.18.1.1 remote-as 65000
> neighbor FD85:A55C:FDCB::5 remote-as 65000
> !
> address-family ipv4
>  redistribute connected
>  redistribute static
>  neighbor 172.18.1.1 activate
>  no neighbor FD85:A55C:FDCB::5 activate
>  no auto-summary
>  no synchronization
> exit-address-family
> !
> address-family ipv6
>  neighbor FD85:A55C:FDCB::5 activate
>  redistribute connected
>  redistribute static
>  no synchronization
> exit-address-family

We use this second method on our border router. It may be a matter of
preference, but this approach is easier to follow, particularly when you
start applying v4 or v6 specific route-maps and prefix-lists.

-- 
Dan White


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