Cisco WAN :: 881 / Memory Allocation Of 65536 Bytes Failed From 0x81F083F4 / Alignment 16
Oct 31, 2011
We have a Cisco 881 router, which is crashing. We have seen that the ARP cache fills up so much it causes things to crash, our phones go down.. We dont know why this however IP CEF seems to be doing it, when we disable it goes away however disabling IP CEF causes our L2TP tunnel to become inoperable also. So why does IP CEF cause thousands of AR entries and how can we limit that!? Below is the error, sample of the ARP cache and our config. You will notice we also have a /31 given to us on WAN interface, this was given to us by our service provider. This is really strange I cant find other examples on internet.
The error:
Nov 1 04:21:57.474: %SYS-2-MALLOCFAIL: Memory allocation of 65536 bytes failed from 0x81F083F4, alignment 16
Pool: Processor Free: 55176 Cause: Not enough free memory
Alternate Pool: I/O Free: 2352 Cause: Not enough free memory
[code]....
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CTM: Session 0xCF1FBBA0 uses a nlite (Nitrox Lite) as its hardware engine
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[code]....
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