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I am looking to get some guidance towards understanding the concept for vlans and tunnels

Posted on 2009-04-23
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I want to get good solid understanding of vlans and tunnels with refernce of cisco routing , like if i see a tunnel down and the physical interface is up with the tunnel is down , how should i be trouble shooting the issue , simmilarly , and similarliy with reference of vlans  please advise some sites which can provide me with basic understanding.
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Question by:simpleton110
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nrpanchal earned 375 total points
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By default, a tunnel will stay up as long as there is route entry to reach destination of the tunnel. If you would like tunnel to actually reflect its operational capability you can enable 'keepalive' command in interface tunnel configuration.


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