2 BGP sessions to same neighbors ?

[Ondrej Zajicek]

On Tue, Dec 06, 2016 at 04:08:06PM +0100, Damien Clabaut wrote:
> Hello,
> 
> For performance reasons that do not deserve to be detailed here, I am
> trying to set up 2 separate BGP sessions between my Linux server running
> Bird and an Arista switch.
> 
> The Linux machines has 2 IPs on loopback, i would like to initiate a
> connexion from each of them.
> 
> I have IPs 192.168.0.11 and 192.168.0.12 on the server loopback, and
> 192.168.0.1 on the switch loopback.
...
> Can you confirm this is a limitation in Bird ? Is there a reason for it,
> apart from the fact that it is a non-standard case ? Is there a way to
> bypass it ?

Hello

This is a limitation in BIRD - it does not allow two BGP sessions to the
same remote IP address. The solution is to use two IP addresses also on
the other side (switch).

-- 
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at 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."