From: Debbie Westall (dwestall@debbie.coxfiber.net)
Date: Mon Feb 03 2003 - 13:05:22 GMT-3
Sage,
With IS-IS there is only clear text authentication available. I studied
the following in the Doyle Vol 1 book in the IS-IS section.
Authentication can be done between:
* neighbors (done on the interface "isis password xx level-2)
Level-1 one is the default. If you wish to configure for level-1 and
level-2 you must have 2 entries, under the interface.
* area-wide (done under the router process "area password xx")
This authentication is inserted in Level-1 (station router level) LSPs
* domain-wide (under the router process "domain-password xx")
This is inserted in Level-2 (the area router level) LSPs.
I hope this helps.
Debbie
On Fri, 31 Jan 2003, [iso-8859-1] Sage Vadi wrote:
> All,
>
> According to CCO (Doc: Configuring IS-IS
> Authentication). Indicates a config whereby there is
> authentication statements for level1-2 (default).
> Strangely in my setup I can only configure a single
> level of authentication. They are L1L2 neighbors.
> Simple point to point connections.
>
> Router1
> interface Serial0/0
> ip address 10.1.0.1 255.255.255.0
> ip router isis
> clns router isis
> isis password greet
>
> Router2
> interface Serial1/0
> ip address 10.1.0.2 255.255.255.0
> ip router isis
> clns router isis
> isis password greet
>
> Q) When I add the level-1/2 extension @ the end of the
> password command it is not taken. Which to me seems
> that this router is defaulting to level-1.
>
> Suggestions?
> Cheers,
> Sage
>
>
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