[c-nsp] Cursed IP address

[Victor Sudakov]

Antonio Querubin wrote:
> 
> > There are a dozen routers connected to a common 10.65.127.224/27 L2
> > backbone. All are running OSPF area 0. Any router which has the IP
> > address 10.65.127.246 cannot establish OSPF adjacency with some other
> > routers, showing them forever in the INIT/DROTHER or EXSTART/DROTHER
> > state.
> >
> > When a different IP address is configured on the same router, the
> > problem is solved. More over, when 10.65.127.246 is configured on ANY
> > router in the segment, it experiences adjacency problems.
> >
> > We are currently using a workaround of never assigning 10.65.127.246
> > to any router. Is this Sauron's IP address, or is there some kind of curse
> > thereon?
> 
> Are you absolutely positively sure 10.65.127.246 still does not exist 
> somewhere else on one of the devices on that network, for example as a 
> stale router ID?

I know that a duplicate router ID should cause a message like
"%OSPF-4-DUP_RTRID, and I have not seen this message in the logs.

So am I not absolutely positively sure, but I am pretty sure.

And I have posted a "show ip ospf database" output in another message.

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
sip:sudakov at sibptus.tomsk.ru