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CSCup41110 also affects 4451 Version 15.5(3)S1a

After some months of operation on a router, without the HSEC license, the IPSec tunnels stops forwarding packet and increase the counters, without any configurations changes. 

For troubleshoot the problem the feature Datapath Packet Trace was used with the following output, showing that the packets was dropped by the CERM as the bug description, and a reboot solved the problem.

WhatsApp Image 2019-02-11 at 08.58.20.jpeg

The sh version of the router is:

version.PNG

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Beginner

Re: CSCup41110 also affects 4451 Version 15.5(3)S1a

I like this. Our router hangs and needs a reboot during normal operation, so give us more money and buy the HSEC license. The 4000 series are the most problematic router we have ever bought from Cisco, and we are looking at other manufacturers.
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