ASA 5520 Denying All Tunneled IP Traffic

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Feb 13th, 2008
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250 remote sites use ezvpn to connect back to ASA 5520. Tunnels show active but do not pass any IP traffic. The only way to resolve issue is to "clear crypto ipsec sa". Has happened twice in the last 3 days. Logs show messages of denying traffic for ex:

Feb 11 2008 14:42:42: %ASA-3-106014: Deny inbound icmp src outside: dst inside:x.x.x.x (type 8, code 0)

Feb 11 2008 14:42:42: %ASA-2-106006: Deny inbound UDP from x.x.x.x/2442 to on interface inside

Running 7.2(2) code. Has anyone seen this before and know what the problem is?


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jcal133378 Wed, 02/20/2008 - 08:43
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Probably, the cause for this issue might be congestion due to more vpn traffic. So, whenever you cleared the IPsec tunnel, it started working properly however after sometime, it will hang once it reaches the maximum handling capacity. Check the hardware specifications of the current setup, enhance its capacity for handling more traffic.


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