Cisco dual stack CE BGP configuration suggestions

[n00dles at nix-jutsu.net]

The use of "no bgp default ipv4-unicast" may be useful as it stops:
>  address-family ipv4
>   no neighbor FD85:A55C:FDCB::5 activate

ta

On Thursday, 20 January 2011 at K:15:28 +0100, Roger Wiklund wrote:
> I'm putting togheter a template for CE/CPE router config with dualstack and BGP.
> Silly question really but just thinking what's best for future use
> etc. To have "Router BGP + address family ipv6" or "Router BGP +
> address-family ipv4 + address-family ipv6"
> I think I preffer to have both address-family on both ipv4 and ipv6.
> Is there something I may have missed using this style?
> 
> router bgp 192
>  no synchronization
>  bgp log-neighbor-changes
>  redistribute connected
>  redistribute static
>  neighbor 192.168.1.1 remote-as 65000
>  neighbor FD85:A55C:FDCB::1 remote-as 65000
>  no neighbor FD85:A55C:FDCB::1 activate
>  no auto-summary
>  !
>  address-family ipv6
>   neighbor FD85:A55C:FDCB::1 activate
>   redistribute connected
>   redistribute static
>   no synchronization
>  exit-address-family
> 
> 
> 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
---end quoted text---

-- 
Chris Nicholls
Timico Network Operations
chris at timico.net