[c-nsp] 10/100/1000 speeds in GE SFP ports

Tassos Chatzithomaoglou achatz at forthnet.gr
Thu Sep 25 07:23:12 EDT 2008


GLC-T works only in 1000 speed when in 67xx-SFP cards (hardware limitation?).

We use 6748-GE-TX for 10/100/1000BaseT in our 6500s/7600s, so we have the same issue as you.

Does anyone know what happens with the ES/SPA cards?

--
Tassos

Saku Ytti wrote on 25/9/2008 1:34 μμ:
> http://www.cisco.com/en/US/docs/interfaces_modules/transceiver_modules/compatibility/matrix/OL_6981.html
> 
> Is this accurate? Can someone find errors? I seem to recall cuSFP works in
> 10/100/1000 speeds in SUP720-3BXL supervisor ports (well other is dual
> personality anyhow)
>  Mostly, I'm highly disappointed if there aren't any GE SFP ports at all in
> 7600/6500/4900/4500 that'll do 10/100 speeds.
> 
> This mean, if you currently have 3750-12S and you're looking to step up,
> you need to buy three linecards, 1GE SFP, 100M SFP and 10/100/1000 cu,
> increasing costs in unacceptable way.
> 
> Anyone know what's the state in foundry, huawei and extreme?



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