OSPF state inconsistency

[Ondrej Zajicek]

On Mon, May 04, 2015 at 10:04:53AM +0200, Przemyslaw Frasunek wrote:
> Dear all,
> 
> we are using BIRD 1.4.5 with OSPF on PPPoE access servers running FreeBSD 9.3
> and mpd 5.7. In order to achieve fail-over, each access server is listening on
> the same VLANs. The user connects to access server which first responds with
> PPPoE PADO.
> 
> Some of our subscribers need additional IPv4 prefix, which is routed via address
> assigned from pool. Such route is added by mpd on connect and deleted on
> disconnect or LCP timeout.
> 
> Unfortunately, we are experiencing OSPF state inconsistency between access
> servers, when user quickly disconnects from one node and connects to another.
> This is such example, which caused routing loop:
> 
> ...
> 
> Any ideas, how to fix it?

Hi

First, try switching to version 1.5.0 . There were several problems in
earlier versions esp. when external routes were swiftly originated and
withdrawn.

> protocol direct {
>         import filter {
>                 accept;
>         };
> };

You probably do not need direct protocol.

-- 
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."
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