From: Ralph Sherry (yodajedi6678@yahoo.com)
Date: Fri Jun 03 2005 - 11:23:09 GMT-3
What I call the backbone is the L2 routers. My original thinking was that it was calling for two seperate sets of L2 routers connected by a area of L1 routers. My understanding is you can't split a L2 routers like this becuase they have to be contigous. Perhaps a solution to this is to have a L2/L1 router running through my L1 routers to keep the L2 routers connected.
James Matrisciano <jmatrisciano@kenttech.com> wrote:When you say "backbone" are you actually meaning two ISIS processes?
There is no respective area 0 backbone in ISIS, however, you can run two
separate ISIS processes.
Router isis 1 (word ISO routing area tag)
Net 49.0001.0001.0001.00
Router isis 2
Net 8c.0002.0002.0002.00
jm
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Ralph Sherry
Sent: Thursday, June 02, 2005 11:57 PM
To: ccielab@groupstudy.com
Subject: ISIS dual backbones?
I have run accross a scenario where it seems to be calling for 2 L2 ISIS
backbones. IS this possible? How would one of the backbones know how
to route to a area that was only attached to the second backbone? If
this was in OSPF I would simply configure a virtual link between the 2
backbones.
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