On Apr 29, 2014, at 3:40 PM, Fredrik Lönnman <[email protected]> wrote:

> Onboard SFP+ slots are 10G only.

I've gotten the impression that these are often segmented due to lack of 
ability of a team to test and other limitations, eg:

If you can do 1G CU SFP in SFP+ port, why wouldn't you have a quad-rate mac to 
do 10/100/1000/10000 ?

I say this because we still run into customers that are still doing 10-full or 
10-half (!) in 2014.  You have to draw the line somewhere.  I'm sure someone 
makes a quad-rate mac, but it likely doesn't have the same broad support as 
doing a dual-rate 1g/10g or a tri-rate of 10/100/1g.

- Jared
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