[c-nsp] 10Gigabit or other options for 12000 ?

[Jeff Tantsura]

Hi,

Anyway, if you'd go for 10G on 12K, don't use the E4+ 10G card, SIP/SPA is
really the only option.
If you'd go n x 1G and stability is a concern stick to E3 4xGE card, one of
the best cards ever made by cisco, I have seen lots of problems on 10x1GE
SPA, especially in pre 12.0.(32)S7, now it has been stable for quite some
time

Regards,
Jeff

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Mikael Abrahamsson
> Sent: donderdag 21 juni 2007 12:44
> To: cisco-nsp
> Subject: Re: [c-nsp] 10Gigabit or other options for 12000 ?
> 
> On Thu, 21 Jun 2007, vince anton wrote:
> 
> > Hi,
> >
> > I'm looking into the options for going beyond 1Gbps on the 12k platform.
> >
> > The current box is a 12404 with single PRP-2 and 4GE-SFP-LC
> >
> > It looks like the 10G option is based on the SIP/SPA modules, and it
> doesnt
> > come cheap at all.
> > Other than that it looks like the other option would be POS based -
> which
> > may be OK for the WAN, but what about the LAN connections in the core
> > currently based on 7606-SUP720-3BXL - doest really make sense doing POS
> > across the room to link 12k to 7600 ?
> 
> No, POS doesn't make sense.
> 
> I would recommend going for equal cost multipath over parallell gigs to
> link your 7600, and when you have more than 2-3, then you should be able
> to justify a SIP-601 and SPA-TENGE for the gsr.
> 
> Or, if you only run ethernet you can ditch the GSR altogether and do
> everything in the 7600.
> 
> Etherchannel on the GSR is not something I would recommend. It's really
> bad if you're running the older Engine 2 linecards, otherwise it's
> managable. I still recommend ECMP over Etherchannel, though.
> 
> --
> Mikael Abrahamsson    email: swmike at swm.pp.se
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