Does this case (CEF needed on both ends) still exist even if my 2 T1's
terminate, on the far end, on two different routers (same provider though)?
Thanks
Adam Hickey
[EMAIL PROTECTED]
----- Original Message -----
From: "Marty Adkins" <[EMAIL PROTECTED]>
To: "Tony van Ree" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Cc: "Priscilla Oppenheimer" <[EMAIL PROTECTED]>; "Adam Hickey"
<[EMAIL PROTECTED]>
Sent: Monday, December 18, 2000 9:25 AM
Subject: Re: Switching method help!!
> Tony van Ree wrote:
> >
> > Hi,
> >
> > I understand yes that CEF can assist with load balancing but, be aware
it must be set at both ends of a service as I understand it. Unfortunately
I don't know enough about CEF yet. We do however have it configured in a
number of instances.
> >
> > Teunis,
> > Hobart, Tasmania
> > Australia
> >
> The packet forwarding process is independent on each router, but to get
the
> benefit of load-sharing by source and destination pairs, in _both_
directions,
> both ends would need to use CEF.
>
> For the group, here are a couple more links that explain CEF and other
> switching modes in more detail (no CCO account required):
> How to Choose the Best Router Switching Path for Your Network
> http://www.cisco.com/warp/public/105/20.html
> Performance Tuning Basics:
> http://www.cisco.com/warp/public/63/tuning.html
>
> Marty Adkins Email: [EMAIL PROTECTED]
> Mentor Technologies Phone: 410-280-8840 x3006
> 275 West Street, Plaza 70 WWW: http://www.mentortech.com
> Annapolis, MD 21401 Cisco CCIE #1289
>
> > On Friday, December 15, 2000 at 11:27:59 AM, Priscilla Oppenheimer
wrote:
> >
> > > Fast switching definitely has the problem you refer to. Fast switching
> > > offers per-destination load-sharing. Since the router caches
information on
> > > how to forward traffic to a destination, all traffic to that
destination
> > > exits the same interface.
> > >
> > > One of the goals of CEF was to overcome this problem. I can't remember
the
> > > details, but I think you can do more precise load-balancing with CEF.
I'll
> > > see if I can dig up more details and get back to you. Or maybe some
other
> > > folks who use CEF can chime in.
> > >
> > > Priscilla
>
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