UCS Only Runs at 10 GE and Requires Nexus – NOT!

So, every time I hear someone say “UCS only runs at 10 GE speeds” I look around to see if one of my competitors is talking. And they have been somewhat effective in continuing to spread this non-truth. To be fair, Cisco didn’t help the situation by not enabling this feature when UCS first shipped. However, starting with UCS firmware release 1.3.1, you can indeed run at 1 GbE speeds. As far as requiring Nexus, that’s another bit of FUD that has never been true. Are there advantages to running at 10 GE? Absolutely. Is it required for a supported UCS configuration? Absolutely not. Continue reading