[112644] in North American Network Operators' Group
Re: SUP720 vs. SUP32
daemon@ATHENA.MIT.EDU (Mark Tinka)
Thu Mar 12 00:35:03 2009
From: Mark Tinka <mtinka@globaltransit.net>
To: nanog@nanog.org
Date: Thu, 12 Mar 2009 12:34:21 +0800
In-Reply-To: <6069A203FD01884885C037F81DD75080CA064DD9@wsc-mail-01.intra.nwresd.k12.or.us>
Reply-To: mtinka@globaltransit.net
Errors-To: nanog-bounces@nanog.org
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On Thursday 12 March 2009 03:06:05 am Bill Blackford wrote:
> Incidentally, I am using 7300/7200 based units with G1 RP
> and found that at 200M they start seeing 50% CPU load
> which is why I'm looking to go to the next step.
Be sure to optimize your configuration before you upgrade.=20
Depending on what services you have enabled (either by=20
default or design), you can squeeze quite a bit from these=20
boxes before you need to upgrade with a pretty lean=20
configuration - and the NPE-G2 can sit a sweet 2GB of DRAM=20
nicely :-).
We've been able to forward some 950Mbps out of an NPE-G2 at=20
~72% CPU utilization as a core router, and about 600Mbps at=20
the same CPU utilization as an edge router.
With the current bloat of the routing table today, the sheer=20
force software routers provide re: RIB/FIB memory for a=20
couple-of-hundred Mbps of traffic forwarded is hard to=20
ignore.
Cheers,
Mark.
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