Re: policy routing performance

From: Hank Nussbacher (hank@att.net.il)
Date: Wed Jan 12 2000 - 10:41:25 EST


At 21:41 11/01/00 +0200, Oded Comay wrote:

Of course if you use RSP8s which are rated at twice the speed of RSP4s
(600Kpps vs 300Kpps for CEFed routing) with VIP4s which are rated at about
80% faster than VIP2-50s (200Kpps vs 100Kpps) you may be able to get more
thruput :-)

-Hank

>If memory serves me right, the first set of tests were not using "ip
>flow-cache feature-accelerate". The 2nd set (which reached 45K PPS for
>minimal sized packets) did use this, and performamnce indeed accelerated.
>You need also to note that some effort was invested in distributing the
>load between several CPUs on each router (the main RSP4 and two VIPs). At
>45K PPS and an average packet size of 500 bytes, you are in the OC3 ball
>park.
>
>Oded.
>
>On Tue, 11 Jan 2000, Hank Nussbacher wrote:
>
>>>Resent-Date: Tue, 11 Jan 2000 11:41:41 -0500
>>>Date: Tue, 11 Jan 2000 10:39:06 -0600
>>>From: Edward Henigin <ed@staff.texas.net>
>>>To: Cisco NSP <cisco-nsp@puck.nether.net>
>>>Subject: Re: policy routing performance
>>>X-Mailer: Mutt 0.93.2i
>>>Resent-From:cisco-nsp@puck.nether.net
>>>X-Mailing-List: <cisco-nsp@puck.nether.net> archive/latest/2005
>>>X-Loop: cisco-nsp@puck.nether.net
>>>Resent-Sender: cisco-nsp-request@puck.nether.net
>>>
>>>
>>> Available in the 'T' train, so if I want that and turboacl
>>>I will see them together in 12.1?
>>>
>>> Hank: were those tests done using NPR? Based on your config
>>>(since I saw 'ip route-cache policy' AND 'ip route-cache flow' both
>>>under the interface) I would guess that yes, that included NPR.
>>>If so, the performance seems as though it leaves a bit to be desired.
>>>It looks as though it uses 15% cpu per 3Kpps, it looks as though
>>>you'd be pegged at around 18Kpps. (I'm going to need scalability
>>>beyond that...) Then again, that was through a tunnel, and I do
>>>believe that going through a tunnel increases the overhead.
>>>
>>> Ed
>>>
>>>--
>>>On Tue, Jan 11, 2000 at 07:08:05AM -0800, Barry Raveendran Greene said:
>>>> Hello Ed,
>>>>
>>>> Try Netflow Policy Routing:
>>>>
>>>>
>>http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120
>>>> t/120t3/policyrt.htm
>>>>
>>>> Barry
>>>
>>>
>>
>
>



This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:12:09 EDT