Your router is suffering memory allocation failures. This means:
- The router has used all available memory (temporarily or permanently), or
- The memory has fragmented into such small pieces that the router cannot find a usable available block. This can happen with the processor memory (your case),used by IOS or with the packet memory (used by incoming and outgoing packets).
For pssible causes and troubleshooting procedures please refer to:
Be careful about upgrading the IOS without checking the memory requirement for the version and feature set you are using. Note that you have 32Mb Dram on the router and that might not be sufficient in some situations. Consider upgrading the memory also, or do a sh mem or sh proc memory to find out what processes are taking up the memory.
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