Cisco performance [Re: [6bone] pTLA request NDSOFTWARE -
review closes 23 October 2002]
Patrick Grossetete
pgrosset@cisco.com
Mon, 21 Oct 2002 09:47:27 +0200
Thanks Pekka for this update. Slightly correction, on Cisco 12000,
you effectively need an upcoming
release [IOS 12.0(23)S] or its current EFT to take benefit of IPv6 Hardware
Forwading for the Engine 3. I acknowledge
you didn't get it for your tests, sorry for that.
Regards
Patrick
At 10:30 AM 21-10-02 +0300, Pekka Savola wrote:
>Hello,
>
>To clarify on the list:
>
>I redid the testing w/ ttcp a bit more carefully and I observed that of
>7200, 7500 and GSR, the GSR is the slowest platform, capable of only the
>stated 26 Mbit/s (in practise, a bit less due to packet drops: we are able
>to get a constant 13 Mbit/s TCP stream through it). This should be fixed
>with EFT code using CEFv6, but we weren't able to test that. 7500 with
>CEFv6 is able to perform at full rate on FastEthernet, and on production
>software a bit less than that: at least 50 Mbit/s should still yield
>acceptable packet drop levels.
>
>So, the situation is not as bad as first observed (and in all honesty, not
>everybody needs to have 10+ Mbit/s grade throughput yet :-), even though
>GSR performing worst with production-level features was a bit surprising.
>
>(With "production software" here I mean any publicly available software...
>whether it's usable in "production environment" is always a judgment call
>:-)
>
>Pekka
>
>On Sun, 20 Oct 2002, Patrick Grossetete wrote:
> > Your comment on the performances is not accurate. You reported a
> > 26 Mb/s throughput using TTCP between
> > 2 Linux hosts, asking for feedback about that. We just tested the same
> > configuration but using IXIA traffic generators
> > and got different numbers really different from yours. I asked Theo to
> > provide you an official answer, so I expect
> > you will update the list later.
> >
> > Patrick
> >
> > At 02:22 AM 20-10-02 +0300, Pekka Savola wrote:
> > >On Sat, 19 Oct 2002, Paul Aitken wrote:
> > > > Nicolas DEFFAYET wrote:
> > > >
> > > > > I don't have Cisco or Juniper routers because i don't have the budget
> > > > > for that. You can offer me a Cisco if you want...
> > > >
> > > > http://www.cisco.com/warp/public/csc/refurb_equipment
> > >
> > >Well, to be frank, I'm not sure why anyone would want Cisco equipment for
> > >IPv6, old or new. They hardly seem to be able to manage 30 Mbit/s of IPv6
> > >traffic :-(. I guess this is enough for some, for us it isn't :-(.
> > >
> > >And no, we're not using "crap" (for some, usefull stuf for others) like
> > >4x00's, 2x00's etc. like many seem to be doing: rather, like 7200, 7500,
> > >12xxx, etc.
> > >
> > >And yes, I've tried to contact ipv6-support@cisco.com to try to find out
> > >whether these are really the bottlenecks, no replies.
> > >
> > >--
> > >Pekka Savola "Tell me of difficulties surmounted,
> > >Netcore Oy not those you stumble over and fall"
> > >Systems. Networks. Security. -- Robert Jordan: A Crown of Swords
> > >
> > >
> > >_______________________________________________
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> >
> > ____________________________________________
> > Patrick Grossetete
> > Cisco Systems
> > Internet Technology Division (ITD) - Product Manager
> >
> > Phone/Vmail: 33.1.58.04.61.52
> > Fax: 33.1.58.04.61.00
> > mobile: 33.6.19.98.51.31
> > Email:pgrosset@cisco.com
> > 11 Rue Camille Desmoulins
> > 92782 Issy les Moulineaux Cedex 9
> > France
> > ____________________________________________
> >
> > _______________________________________________
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> >
>
>--
>Pekka Savola "Tell me of difficulties surmounted,
>Netcore Oy not those you stumble over and fall"
>Systems. Networks. Security. -- Robert Jordan: A Crown of Swords
____________________________________________
Patrick Grossetete
Cisco Systems
Internet Technology Division (ITD) - Product Manager
Phone/Vmail: 33.1.58.04.61.52
Fax: 33.1.58.04.61.00
mobile: 33.6.19.98.51.31
Email:pgrosset@cisco.com
11 Rue Camille Desmoulins
92782 Issy les Moulineaux Cedex 9
France
____________________________________________