[Isis-wg] ISIS Authentication Problem

Pranjal Chakravarty <pranjalchakravarty@yahoo.co.in> Thu, 29 January 2009 01:41 UTC

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Date: Thu, 29 Jan 2009 07:11:06 +0530
From: Pranjal Chakravarty <pranjalchakravarty@yahoo.co.in>
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Subject: [Isis-wg] ISIS Authentication Problem
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Hello I have a problem with ISIS area/domain authentication.
Suppose we have two Routers(maybe cisco)
We configure area authentication password in both routers
 
R1>area authentication sprint
R2>area authentication sprint
 
Now there is no problem both routres remain adjacent and both routers accept others LSP and ISIS routes are present in both routers.
 
Now we change area authentication password in one of the routers.
 
R1>area authentication tata
 
Now in R1 Immediatly Other routers(R2's) LSP will be deleted from its database and ISIS Routes that it learnt from R2 will be deleted.
 
But in router R2, LSP of R1 is not becoming lifetime zero and R2 is not deleting ISIS routes which it learnt from R1 even though area password s are diffrent now .
 
,The database gets cleared and ISIS routes are deleted only after we give clear isis * command.in R2 Router.
 
Is it a problem ... 


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