Cisco performance [Re: [6bone] pTLA request NDSOFTWARE - review closes 23 October 2002]

[Pekka Savola]

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
> >
> >
> >_______________________________________________
> >6bone mailing list
> >6bone@mailman.isi.edu
> >http://mailman.isi.edu/mailman/listinfo/6bone
> 
> ____________________________________________
> 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
> ____________________________________________
> 
> _______________________________________________
> 6bone mailing list
> 6bone@mailman.isi.edu
> http://mailman.isi.edu/mailman/listinfo/6bone
> 

-- 
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