Will Router CPU peaks, when the DRAM is fragmented and largest contiguous block is very less? Currently i m having a NPEG1 with 256 MB DRAM out of which 41MB shows as free but the largest available block is 1 MB.
High cpu usages in routers can be easily resolved. Refer to the guide on "Troubleshooting High CPU Utilization on Cisco Routers" present in the following url for more information: