Blantonious - Outside the Mind

There comes a time when you need to change the IP adress on an ESX host. And since you can’t do it on the VI Client or vCenter consle, the only thing you can do is to go to the ESX server console.

1.) First of all , you must have physical access to the console.
2.) Put your ESX host in Maintenance Mode and disconect it from Virtual Center.
3.) Now you can connect to the console of your ESX host.
4.) Remove the old IP adress (by deleting the vswif interface) “esxcfg-vswif -d vswif0? (vsfif0 is your interface to remove. Otherwise use the number you need)
How to change IP adress of ESX Server console
5.) Create a new vswif interface with the New IP adress “esxcfg-vswif -a vswif0 -p “Service Console” -i 192.168.0.100 -n 255.255.255.0 -b 192.168.0.255? (vsfif0 is your interface you work with. Otherwise use the number you need). If you need, replace Service Console with the name of your Service Console portgroup (this one is the default value)

-i is the new IP adresse
-n is your new subnet
-b is your broadcast

6.) Update the default gateway. Open nano “nano /etc/sysconfig/network file”
Press “CTRL+O” and “ENTER” then “CTRL+Q” to quit

7.) Then you need to restart the interfac. Do a “esxcfg-vswif -s vswif0? (this will disable the vswif0 interface) and “esxcfg-vswif -e vswif0? (this will enable the vswif0 interface)

8.) Your all done with the network reconfigure.

9.) You can now add the host back to vCenter.

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