Network troubleshooting commands

Some of the commands that can be used for networking troubleshooting include net-dvs, Esxcli network, vicfg-route, vicfg-vmknic, vicfg-dns, vicfg-nics, and vicfg-vswitch.

You can use the net-dvs command to troubleshoot VMware distributed dvSwitches. The command shows all the information regarding the VMware distributed dvSwtich configuration. The net-dvs command reads the information from the /etc/vmware/dvsdata.db file and displays all the data in the console. A vSphere host keeps updating its dvsdata.db file every five minutes.

1. Connect to a vSphere host using PuTTY.

2. Enter your user name and password when prompted.

3. Type the following command in the CLI:

   net-dvs
   

4. You will see something similar to the following screenshot:

   

In the preceding screenshot, you can see that the first line represents the UUID of a VMware distributed switch. The second line shows the maximum number of ports a distributed switch can have. The line com.vmware.common.alias = dvswitch-Network...