From: Nick Shah (nshah@xxxxxxxxxxxxxx)
Date: Sun Mar 03 2002 - 18:07:35 GMT-3
I tend to use these commands in this manner...
If a router is L1L2 then I leave the defaults, since the first instance of
router isis would create L1L2 ..
If there is only one neighbor (or I need only 1 adjacency) I would use
is-type to change the default to L1 or L2 depending on what type of
adjacency I want.
If there are more than one neigbor, and I need to perform different levels
of adjacency with them, I would use circuit-type on the interface itself.
hth
Nick
-----Original Message-----
From: George Spahl <g.spahl@insightbb.com>
To: ccielab@groupstudy.com <ccielab@groupstudy.com>
Date: Monday, 4 March 2002 4:40
Subject: ISIS Circuit-type vs. IS-type
>Greetings,
>
>I was wondering if any of our resident ISIS gurus (or anyone else who'd
>like to take a shot at it!) could clarify the use of these two commands,
>specifically as to whether the interface command "ISIS circuit-type"
>would override what had been set by the router configuration command
>"IS-type" or if this is for some other purpose altogether. It looks as
>if they both relate to controlling what kind of adjacencies can be set
>up with other ISIS routers, the first at the router level and the other
>by interface, but I have the feeling that there are some subtleties to
>applying them that I'm overlooking.
>
>Thanks,
>
>George
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