Re: [c-nsp] SFP+ modules in Catalyst switches (was: Nexus 7000)

2008-01-30 Thread Marian Ďurkovič
On Tue, Jan 29, 2008 at 06:39:48PM -0500, Richard A Steenbergen wrote: The motivating factor behind SFP+ is the ability to do high port density and crazy oversubscription, since SFP+ is so much lower power than XFP. Note that if you compare the same types of optics (i.e. SR to SR, LR to

Re: [c-nsp] SFP+ modules in Catalyst switches (was: Nexus 7000)

2008-01-30 Thread Richard A Steenbergen
On Wed, Jan 30, 2008 at 10:05:07AM +0100, Marian ??urkovi?? wrote: Unfortunately it seems Cisco now tries to completely avoid XFPs on ethernet linecards for Catalyst switches. In the past they were too conservative and selected X2s because of LX4 and CX4 support. Ironically, just a few

[c-nsp] SFP+ modules in Catalyst switches (was: Nexus 7000)

2008-01-29 Thread Marian Ďurkovič
On Mon, Jan 28, 2008 at 11:07:13PM -0500, David Prall wrote: It uses SFP+'s, they supposedly will be available in both 1GE and 10GE. While the move to SFP+ for the Nexus7000 is clearly the only solution (datacenter needs high density low cost 10GE links and Nexus has the potential for 500 Gbps

Re: [c-nsp] SFP+ modules in Catalyst switches (was: Nexus 7000)

2008-01-29 Thread Richard A Steenbergen
On Tue, Jan 29, 2008 at 09:22:53AM +0100, Marian ??urkovi?? wrote: On Mon, Jan 28, 2008 at 11:07:13PM -0500, David Prall wrote: It uses SFP+'s, they supposedly will be available in both 1GE and 10GE. While the move to SFP+ for the Nexus7000 is clearly the only solution (datacenter needs