RE: OSPF - link state database to ip rou

From: Chris Lewis \(chrlewis\) (chrlewis@cisco.com)
Date: Sat Jul 30 2005 - 10:48:41 GMT-3


I would tend to give each non-area 0 connectivity to area 0 via virtual
links if it is not directly connected.

Chris

-----Original Message-----
From: Aleksander Klessa [mailto:aleksander.klessa@atm.com.pl]
Sent: Saturday, July 30, 2005 2:49 AM
To: Chris Lewis (chrlewis)
Cc: Brian McGahan; Schulz, Dave; ccielab@groupstudy.com
Subject: Re: OSPF - link state database to ip rou

Hi,

> 3. One side is numbered, other is unnumbered point to point link Odd
> -one I think Brian refers to; ABR not generating type 4 summary LSA.
> To generate a type 3 or type 4, a router must be connected to area 0,
> if it isa router between two non area 0 areas, you must configure a
> virtual link.

what about router with ISDN as a backup and 2 ospf areas, both non-zero?
should we use virtual-link to get connection to zero-area?

best
aleksander



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