Viewing NIC information from the ESX server CLI

VMWare ESX server has a bunch of command line utilties to display and modify the ESX server configuration, and the vast majority of them are buried in the /usr/sbin directory. One useful utility is esxcfg-nics, which displays the NIC type, the virtual NIC name, and the current configuration of each NIC in a server:

$ esxcfg-nics -l

Name    PCI      Driver      Link Speed    Duplex Description
vmnic0  02:02.00 tg3         Up   100Mbps  Full   Broadcom Corporation NetXtreme BCM5704 Gigabit Ethernet
vmnic1  02:02.01 tg3         Up   1000Mbps Full   Broadcom Corporation NetXtreme BCM5704 Gigabit Ethernet

If you haven’t had a chance to play with ESX server 3.X, I highly recommend pinging your VMWare sales team to get an eval.

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