[rbak-nsp] mBGP / non 6PE / mapped v4 address next-hop

[Olivier Benghozi]

Hi,

you wrote:
> i fail to see how to configure an SE600 with mBGP announcing local routes
> (pools) without them resulting in a 6PE announcement - read: ipv4 mapped
> address next-hop.

>  peer-group IBGP internal
>    password encrypted <deleted>
>    update-source LOOPBACK0
>   address-family ipv4 unicast
>   address-family ipv6 unicast



You are trying to announce pure IPv6 routes within an IPv4 BGP session, which is not what you want, I guess :)
You want 6PE, so you want to exchange labeled IPv6 routes.

On the SE, you must add "send label" under "address-family ipv6 unicast" at the peer-group level.


> The neighbor ASR9k sees the route as:


On the Cisco IOSXR, you must use "address-family ipv6 labeled-unicast" for the neighbor/peergroup, and "address-family ipv6 unicast" with "allocate-label all" under in the BGP router global level.



regards,
Olivier Benghozi
Wifirst