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VPN with 5001 concentrator and 1750 router

I have a tunnel set up between a 5001 Concentrator and a 1750 Router. The tunnel goes down intermittently and cannot be reestablished by using the "reset vpn partners" or "vpn tunnel down" commands on the concentrator and also the "clear crypto isakmp" and "clear crypto sa" on the router. Once the Concentrator gets rebooted the tunnel comes back up again. Does anyone have a work around to this problem?

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New Member

Re: VPN with 5001 concentrator and 1750 router

I have a VPN5002 and a IOS router (ubr904) with IPSec support connected by an IPSec Tunnel. And I have the same problem. These IPSec tunnel goes down after (approx) 2 hours connected. So I must reboot the VPN Server to my tunnel comes up. I saw that my IOS Router has an IPSec lifetime, but it is not the reason for the problem. I have no connection problems with VPN Clients and the VPN5002 Concentrator.

Thanks.

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