Release/Renew DHCP IP Address on DRVA

This article applies to all JSDR software versions.

This article describes how to handle various DHCP issues on a DRVA.

Verify if the DRVA is Assigned with a Static IP or DHCP IP

• Log into the DRVA using Admin credentials.
• From the command line, execute the command: ip a
• If the word “dynamic” appears next to the DRVA IP address, it is a dynamic address allocated by the DHCP server.

Release DHCP IP

To release the DHCP IP address:

• From the command line, execute the command: sudo dhclient -r
• Log into the DRVA using Admin credentials.

Renew DHCP IP

To renew the DHCP IP address:

• Log into the DRVA using Admin credentials.
• From the command line, execute the command: sudo dhclient

DHCP IP with Multiple Interfaces

To release/renew DHCP IP with multiple interfaces:

• Log into the DRVA using Admin credentials.
• From the command line, execute the relevant command(s):
  • sudo dhclienr -r <dev> (to release the DHCP IP)
  • sudo dhclient <dev> (to renew the DHCP IP)
• Example:
  sudo dhclient -r ens192
  sudo dhclient ens192

Forcefully release or renew DHCP IP

To forcefully release/renew the DHCP IP:

• Log into the DRVA using Admin credentials.
• From the command line, execute the relevant command(s):
  • sudo dhclient -v -r (to release the DHCP IP)
  • sudo dhclient -v (to renew the DHCP IP)

Also see: Linux Force DHCP Client (dhclient) to Renew IP Address