North American Network Operators Group
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: cef/process switching problem

  • From: Jason Frisvold
  • Date: Tue Sep 09 11:27:55 2003 
Not sure on the MC3810 (never used one), but I know that many of the
other Cisco routers didn't do CEF on ethernet until later revisions of
code...  There are other factors that kick it out of CEF as well.. I
believe ACL's and Route Maps are 2 of them..

On Tue, 2003-09-09 at 11:07, Austad, Jay 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?
> 
> -jay
-- 
---------------------------
Jason H. Frisvold
Backbone Engineering Supervisor
Penteledata Engineering
[email protected]
RedHat Engineer - RHCE # 807302349405893
Cisco Certified - CCNA # CSCO10151622
MySQL Core Certified - ID# 205982910
---------------------------
"Imagination is more important than knowledge.
Knowledge is limited. Imagination encircles
the world."
      -- Albert Einstein [1879-1955]

Attachment: signature.asc
Description: This is a digitally signed message part