From: Chuck Larrieu (chuck@xxxxxxxxxxxxx)
Date: Thu Aug 16 2001 - 20:56:39 GMT-3
it operates as a point to point link. why? because the RFC says so. :->
from RFC 2328:
The virtual link is treated as if it were an unnumbered point-to-
point network belonging to the backbone and joining the two area
border routers. An attempt is made to establish an adjacency over
the virtual link. When this adjacency is established, the virtual
link will be included in backbone router-LSAs, and OSPF packets
pertaining to the backbone area will flow over the adjacency. Such
an adjacency has been referred to in this document as a "virtual
adjacency".
the cost of the link is the sum of the costs of the links across the transit
area.
for the real low down check out ftp://ftp.isi.edu/in-notes/rfc2328.txt
HTH
Chuck
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
sanjay
Sent: Thursday, August 16, 2001 4:41 PM
To: ccielab@groupstudy.com
Subject: OSPF Virtual Link question
Does the virtual link run as a demand circuit and why ?
-sanjay
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