On Wed, Apr 11, 2018 at 10:41:25AM +0000, Arvin Gan wrote:
> Hi,
>      I found the traditional BGP and MP-BGP are independent in bird, 
> if use MP_REACH_NLRI, IPV4 NLRI are not used. Has any case that need to
> support traditional BGP and MP-BGP at the same time ? That mean have a
> configuration option that create UPDATE message with  MP-BGP and
> traditional BGP,  transmit IPV4 route and IPV6 route in one UPDATE
> message.


Mixing traditional BGP and MP-BGP in one UPDATE is forbidden by RFC 7606,
section 5.1.

Of course, if you have BGP session with both IPv4 and IPv6, then both
traditional BGP and MP-BGP can be used in one session, but not in one

Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santi...@crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."

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