Archives for the month of: May, 2013

A question that I still get quite a lot is how to connect Nexus 2000 Fabric Extenders to their parent switches – is it better to single attach them to the parent, or to dual-home the FEX to both parent switches (using vPC)? Of course there is no right answer for every situation – it depends on the individual environment and sometimes personal preference, but here are a few of my thoughts on this. Read the rest of this entry »

For anyone using the Nexus 1000V virtual switch, it’s sometimes useful to see what is happening directly on the Virtual Ethernet Module (VEM) residing on the host, rather than just having visibility from the Virtual Supervisor Module (VSM). The method to achieve this is via the ‘vemcmd’ syntax on the ESXi host. Unfortunately these commands are not well documented, so I thought it would be useful to provide a list of some of the more common ones.

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