[26786] in North American Network Operators' Group
Re: CEF Load balancing...
daemon@ATHENA.MIT.EDU (Alex Rubenstein)
Sun Jan 16 14:33:30 2000
Date: Sun, 16 Jan 2000 14:29:08 -0500 (Eastern Standard Time)
From: Alex Rubenstein <alex@nac.net>
To: Daniel Golding <dgolding@mindspring.net>
Cc: nanog@merit.edu
In-Reply-To: <Pine.LNX.3.96.1000116130700.19264C-100000@mulder.mindspring.com>
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We are currently using 12.0(7)S1 on a variety of 7200s (VXR and non-VXR),
and a 7500 or two.
It's been more stable than 12.0T, IMHO.
And, we're using CEF packet-by-packet load-balancing now over four links,
with no problem at all.
On Sun, 16 Jan 2000, Daniel Golding wrote:
> CEF is safe to a point. We're running it on 11.1CC(30), and it runs pretty
> well. We had memory leak problems in earlier versions on the 11.1CC train.
> I wouldn't use it for IMUXing, though. Check out Tiara Networks for their
> MLPPP engine. It's pretty nifty.
>
> CEF does a nice job of bringing the CPU down on a fully loaded 7513.
> That's all i'd use it for, until all the bugs get worked out. I had a bad
> experience using CEF on 12.0.5 in the type of situation you are
> describing. If a serial flapped, there was a small chance that the router
> CPU would go nuts, effectively making the router unmanageable.
>
> On a related note - Any ISPs out there using 12.0(s) yet in widespread
> release?
