RE: CEF Load Balancing

From: B Kim (beokim@comcast.net)
Date: Fri Jul 29 2005 - 00:43:49 GMT-3


Marvin and else

When CEF is enabled, Per-destination load balancing is enabled by
default and is the load balancing method of choice for most situations.

So you had a good impression. :-)

B Kim

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Marvin Wu
Sent: Thursday, July 28, 2005 9:00 PM
To: Kelly Scroggins; ccielab@groupstudy.com
Subject: Re: CEF Load Balancing

yes you are right, it does support it , no idea where I get the
impression from..

         -Marvin

      

On 7/28/05, Kelly Scroggins <kelly@cliffhanger.com> wrote:
> Configuring Cisco Express Forwarding
> Configuring Per-Packet Load Balancing
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/
switch_c/xcprt2/xcdcefc.htm#1000978
>
> --
> kelly
> http://home1.gte.net/res0psau/index.html#Hang-Gliding-Stuff
>
> -- --
> \ /
> \/
> /\
> / \
> -- --
>
>
>
> Quoting Kelly Scroggins <kelly@cliffhanger.com>:
> You can configure per packet load balancing with
> cep under the interface config.
>
> kelly
>
> --
> kelly
> http://home1.gte.net/res0psau/index.html#Hang-Gliding-Stuff
>
> -- --
> \ /
> \/
> /\
> / \
> -- --
>
>
>
> Quoting Marvin Wu <marvinwu@gmail.com>:
> I dont think you can do per packet load balancing
using CEF, you have
> to use process switching to do that. CEF only allow
per flow load
> balancing
>
> -Marvin
>
>
> On 7/28/05, gladston@br.ibm.com <gladston@br.ibm.com>
wrote:
> > Problem: configure per packet load balancing using
CEF
> >
> > r1---r2-----------r3----r4
> > |____________|
> >
> > ============
> > quoted from Cisco Doc
> >
> > Configuring Load Balancing for CEF
> >
> > Load-balancing decisions are made on the outbound
interface. When you configure load balancing, configure it on outbound
interfaces.
> > ==============
> >
> > I would configure global IP CEF, ip route-cache CEF
on R2's interface leading to R3 (same on R3).
> >
> > Do you agree?
> >
> > I read a doc today saying to configure CEF on
inbound interface.
> >
> >



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