From: R&S Groupstudy (rsg@synergy-networking.co.uk)
Date: Sun Nov 30 2003 - 19:03:31 GMT-3
the L1 router installs a default route pointing towards the nearest router
with it's attached bit set.
do a "show isis database" on your L1 routers and see the entry for a L2
router: notice the attached bit set to 1
the L2 router will only set it's attached bit if it has a L2 database - i.e.
some L2 routing information
Adam
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Michael Snyder
Sent: 30 November 2003 20:58
To: ccielab@groupstudy.com
Subject: Silly ISIS Question.
I have a bunch of Level 2 routers connected to some Level 1 routers, all
in the same area. I assumed that the level one routers would get passed
or figure it out for themselves that the level-1-2 neighbor should be
their default route.
Guess I was thinking it would work like a ospf stub no summary or nssa
area, with the abr passing the route.
How do does the level 1 routers decide to use their level 1-2 neighbor
as a default route?
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