From: Matthew Poole (matthew.poole@blueyonder.co.uk)
Date: Wed Mar 12 2003 - 05:37:14 GMT-3
Do you have a Virtual link traversing the ISDN? Or is it just being formed
on one of the routers and going off to another router?
The link would stay up if the virtual link is going over it I would have
thought.
You stated it was 224.0.0.5 keeping the line up, this is the "all routers"
multicast address used for hellos's I don't think this would be used for the
virtual link.
----- Original Message -----
From: <tria_ka@gmx.net>
To: "Jonathan V Hays" <jhays@jtan.com>
Cc: <ccielab@groupstudy.com>
Sent: Wednesday, March 12, 2003 6:35 AM
Subject: RE: isdn - backup - challenge - authentication ???
> hi,
>
> sorry about the small informations. later i can send the cfg's.
> but first i can tell you there is a virtual link and ospf authentication
is
> cfg
>
> udo
>
> > > -----Original Message-----
> > > From: tria_ka@gmx.net [mailto:tria_ka@gmx.net]
> > > Sent: Tuesday, March 11, 2003 1:47 PM
> > > To: Jonathan V Hays
> > > Cc: ccielab@groupstudy.com
> > > Subject: RE: isdn - backup - challenge - authentication ???
> > > Hi Jonathan,
> > > thanks. That is what I also know ..,;-)) I can read the debug
> > > output...
> > > But I don't understand WHY this MC packet trigger my isdn
> > > line to go up.
> > > Both isdn bri if's are in the ospf state 'running on demand' !
> > > any comments ? help ??
> > > thanks
> > > udo
> > >
> > > > The dial reason is 224.0.0.5 which is one of the OSPF multicast
> > > > addresses.
> >
> > Udo,
> >
> > Possibly something is not allowing a complete OSPF database
> > sychronization between the two routers. Or maybe it's OSPF
> > authentication that hasn't been configured across a virtual link. It's
> > hard to tell with what little information you have provided.
> >
> > Please post your configuration files for both routers.
> >
>
> --
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