From: Todd Carswell (acarswell@xxxxxxxxx)
Date: Fri Feb 22 2002 - 17:04:05 GMT-3
I've tried using the directly connected interface ip address for the router
on the other side of the transit area, but it has always produced error
messages and never allowed my virtual link to come up. To find out exactly
what the RID is, I just use the "show cdp neighbor" command right before I
type in my "area xx virtual-link" so that I can pin down the exact RID of
the neighbor. (Or I'll use the "sh ip ospf nei" command. Whichever I'm in
the mood for.)
Of course, if the directly connected interface is the highest ip address on
the router and there are no loopback interfaces, the directly connected ospf
interface will be the RID. (Exception to the rule)
Todd Carswell
----- Original Message -----
From: "Przemyslaw Karwasiecki" <karwas@ifxcorp.com>
To: <ccielab@groupstudy.com>
Sent: Friday, February 22, 2002 2:12 PM
Subject: OSPF virtual links
> Group,
>
> Simple question:
>
> Is it possible to create virtual link (connect virtual areas)
> using interface address instead of OSPF router ID?
> Cisco documentation says:
> area <area-id> virtual-link <router-id>
>
> Obviously, using RID is better for stability reasons,
> but one can imagine hyphothetical situation when OSPF RID
> is not in routing table, so it would not be reachable for
> virtual-link.
>
> Comments?
>
> Thanks,
>
> Przemek
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