[c-nsp] GLC vs SFP

Adam Armstrong lists at memetic.org
Tue Dec 30 10:59:10 EST 2008

Gregori Parker wrote:
> Working with 7206VXR w/ NPE-G2 and I've been using GLC-SX-MM
> transceivers for interconnects with no problems.  Had the need to
> support LX handoffs arise and noticed that Cisco advises SFP-*
> transceivers rather than GLC-* and I'm wondering why...only differences
> between the transceivers appear to be price (x2) and DOM support (and
> operational temperature range).  Considering that my GLC-SX-MM's work
> just fine, I'm assuming that GLC-LH-SM's will as well (but cant test at
> the moment)...nevertheless, I'm trying to sanity check here: Are there
> any potential issues with ignoring Cisco and using GLC-* transceivers
> rather than SFP-* in the 7200VXR?  Do I really need the SFP-GE-L?
> Thanks in advance
you run the serious risk of not giving cisco 5x more than you'd pay for 
transcievers elsewhere!


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