OSPF stuck in 2-way state

Kenth Eriksson Kenth.Eriksson at infinera.com
Mon Oct 7 14:50:56 CEST 2019


On Mon, 2019-10-07 at 14:44 +0200, Ondrej Zajicek wrote:
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> On Mon, Oct 07, 2019 at 12:23:56PM +0000, Kenth Eriksson wrote:
> > Collected some more logs when the state machine becomes stuck. It
> > appears as the eth1 has been DR when this stuck state happens. Note
> > that interface transitions from Down to DROther in one step and then
> > maintains that state even after prio is changed from 0 to 5.
> > 2019-10-04 19:35:40.109 <TRACE> ospfv2_1: Changing priority of eth1 from 0 to 5
> 
> Thanks. Not sure why there is the prio change. In the first mail you
> wrote that BIRD has 5 and Quagga has 0.
> 
The prio change is user driven, the user changed from prio 0 to 5 and
then re-configured. So now bird has prio 5 and quagga 0. Initially both
ends had prio 0.

> --
> Elen sila lumenn' omentielvo
> 
> Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
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> "To err is human -- to blame it on a computer is even more so."



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