Device protocol not recognizing interface address change

Ondrej Zajicek santiago at crfreenet.org
Mon Jul 27 22:26:44 CEST 2015


On Wed, Jul 22, 2015 at 05:50:09PM +0100, Bernardo Figueiredo wrote:
> Hello,
> 
> When restarting some routers at the institution I work, sometimes bird
> doesn't start announcing any routes until we either restart bird or restart
> When this happens:
...
> "bird> show ospf
> (...)
>                 Area networks:
>                                10.3.0.0/16      Advertise
>                                10.0.0.0/16      Advertise
>                                 (...)

> I think that even though when bird first starts it shouldn't immediately
> start announcing(because it didn't see that the interfaces ip addresses), it
> should after 10 seconds when it scans again, because then the interfaces are
> already fully configured.
...
> So, my question is, shouldn't the Device protocol scan update see that the
> ip addresses of an interface have changed and if so, start announcing the
> route.

Hello

BIRD Device protocol generally does not have problems with noticing new
addresses. Most likely it could be problem with BIRD OSPF protocol not
activating the interfaces / areas.

Could you also report results of 'show interfaces' and 'show ospf
interfaces' when it works and when it does not? Does help just restarting
the OSPF protocol (birdc restart ospf1)?

-- 
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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