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cisco SDM - VPN probs?

Posted on 2009-03-30
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Last Modified: 2012-06-27
Hi,
We are using Cisco 87x series routers and get a lot of problems looking at SDM and the VPN status - sometimes they are down and the GUI shows them as up, other times it is the opposite.
Is this a know bug in SDM is there a way around this?
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Question by:nmxsupport
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Expert Comment

by:FWeston
ID: 24020333
If you're talking about VPN tunnels, SDM is likely reporting the SA status.  The SA may still show as established although the tunnel isn't passing traffic.  There are a number of reasons this could occur, but unfortunately there isn't a lot you can do about SDM showing the wrong status, because as long as the SA is still reporting as established, SDM will show those tunnels as up.

You can check the SA status using:

show crypto ipsec sa

You can reset established SAs using:

clear crypto sa

Once the SA has been reset, it should reestablish automatically as soon as it sees interesting traffic (I.E. traffic destined for the remote network.)
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Author Comment

by:nmxsupport
ID: 24314072
hmm the tunnel shows as down within SDM even though it is active working and continual ping going through it!
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nmxsupport earned 0 total points
ID: 24572671
we have upgraded the firmware on all cisco routers
Thanks
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