[c-nsp] 3750G vs. Nexus for a SAN

[Nick Hilliard]

On 06/11/2009 21:35, Gert Doering wrote:
> Out of curiosity: how does it cut-through if it has to multiplex multiple
> ports, as in: packets coming in on port A and B and leaving on C?  As
> soon as two packets overlap (time-wise) on A and B, you can't do
> cut-through...

The switch has per-port buffers; from what i remember, quite a bit 
smaller than on other products, as the unit is cut-through.  You also 
need these buffers when you're operating 1G ports in store-n-forward 
mode.  I don't know whether the packets are buffered on input or on output.

Nick