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RE: cef/process switching problem
> Jay Austad wrote: > I've got a cisco MC3810 with a bunch of DSL customers on it. > CEF is enabled, but when I do a show int stat, I see that almost > 100% of the outbound packets on the ethernet interface are > process switched, and not being matched in the route cache. > The Input looks just fine, and the other interfaces are > borderline (usually 50% hit rate on the cache or a little > less). > CPU is sitting pretty high on this box during the day, and I > have strong suspicions that this is why. :) > I can't seem to find any info on why this would be happening > or how to figure out what's going on. Anyone have any > suggestions? I just troubleshoot something similar on a 7500 and it turned out that the culprit was the "traffic-shape rate" interface command. Using "rate-limit output" instead solved it. Whether or not this is your issue, it's likely to be an interface-level setting on the egress Ethernet interface. Michel.