From: Roy Dempsey (roy.dempsey@gmail.com)
Date: Fri Feb 04 2005 - 09:49:48 GMT-3
Hi all,
I'm trying to understand the connection between 2 commands, and when
to use them, but I just can't get my head around it. The commands in
question are ip route-cache cef and ip route-cache policy. I
understood that if you were configuring policy routing on an
Interface, you needed to diable CEF, using no ip route-cache cef.
The documentation seems to back this up:
<SNIP> You might want to disable CEF or dCEF on a particular interface
because that interface is configured with a feature that CEF or dCEF
does not support. For example, policy routing and CEF cannot be used
together. </SNIP>
However, reading on I came across ip route-cache policy. This included
the following:
<SNIP> If Cisco Express Forwarding (CEF) is already enabled, the
present command isn't needed, because PBR packets are CEF switched by
default. </SNIP>
I think PBR and policy routing refer to same thing. One says you can't
use CEF, the other says CEF is the default. I'm obviously reading this
wrong.
Any ideas?
Thanks
Roy
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