Cisco-1841 Strange Issue.

Unanswered Question
Jan 20th, 2009

Hi Guys,

I recently got a strange issue with Cisco 1841 Router.

The Router looses connectivity and we get an alert on our monitoring tool. When we get a console access to the Router and ping 4.2.2.2, the Device comes up.

What could be the issue?

can any1 please help?

Thanx!

I have this problem too.
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Giuseppe Larosa Wed, 01/21/2009 - 00:12

Hello Faizan,

you should provide more details to get better help.

post a filtered version of the C1841: remove username and passwords and mask public ip addresses.

If you reach the router via an IPSEc SA you can face the SA expiration (in terms of time or traffic volume) and then when you ping it you trigger the creation of a new IPSec SA.

Or it can be just a problem of ARP entry timeout when using only static routes.

this is just an example, without knowing the configuration is difficult to say something.

Hope to help

Giuseppe

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