Dhclient Can Not Release IP Address With Only "-R" Option (Doc ID 1354881.1)

Last updated on MARCH 08, 2017

Applies to:

Linux OS - Version: Oracle Linux 5.0 to Oracle Linux 5.7 with Unbreakable Enterprise Kernel [2.6.32] - Release: OL5 to OL5U7
Linux x86-64

Symptoms

The dhclient command fails to release the IP address by below command:

#dhclient -r <ethernet device name>

e.g:
#dhclient -r eth0
Internet Systems Consortium DHCP Client V3.0.5-RedHat
Copyright 2004-2006 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

Listening on LPF/eth0/00:16:3e:4e:02:3e
Sending on LPF/eth0/00:16:3e:4e:02:3e
Sending on Socket/fallback

Cause

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