I have a router cisco 3620 with 1 NM-1E and 1 NM-2E-2W + 1 WIC-1T.
THis router is configured for 4 TUNNEL GRE and With IPSEC enable on these tunnel.
The serial iterface is configured as default route. With these configuration there are no problem.
I attached an other router 2610 (for Internet access) in the same ethernet of the 3620 and after I put in shutdown the serial int of 3620.... I changed the default route on 3620 from serial to the ip address of 2610.
when I do this operation the 3620 crash. I see that if I disable the crypto map ont the GRE TUNNEL the 3620 don't crash.
I try to change the IOS fram 12.0 to 12.1 and 12.2.
Why if my default route on 3620 is serial don't crash with IPSEC enable .... while If my default route is a next hop ip address CRASH .?????
this is my dump crash:
========= Dump bp = 3594978 ======================
You get the same results with newer code? This core dump says "System Bootstrap, Version 11.1(20)AA2, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)" which is pretty old. I would test with 12.1 or 12.2 code and if the results are identical, perhaps its a memory or hardware issue. It will be difficult to troubleshoot here.
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