When using a QSFP to SFP+ adapter with the Chelsio T580 (as described here) , do I have to use mode 2 or mode 3 (mode 1 being 2x40Gbe)?
Mode 2: SPIDER (4X10G): In this mode, port 0 functions as 4 10Gbps links and port 1 is disabled
Mode 3: QSA (2X10G): This mode adds support for QSA (QSFP to...
Well, my computers will be connected to a switch with SFP+ DAC (short distance). I'm trying to avoid QSFP+, although I found a brand new T580 selling for less than the T520.
Any problem with the S2500 so far? Did you check for a trusted ebay seller? I read in a thread that some ebay seller was sellling S2500 units with faulty POE ports.
I saw great reviews/comments about used aruba S2500 for the ebay price, and I was wondering what would be the next choice if looking for a switch that is more recent?
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