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Feature #4209

Releasing DHCP on WAN interface should send a release

Added by Caleb Carges about 2 years ago. Updated 2 months ago.

Status:
New
Priority:
Low
Assignee:
-
Category:
Interfaces
Target version:
Start date:
01/13/2015
Due date:
% Done:

0%


Description

Although sending a DHCP Release is not a requirement of the DHCP spec it would be nice if when clicking "release" on a WAN interface, rather than just clearing said interface's IP configuration it also sent a DHCP Release packet.

dhclient does not currently do this by default.

This would solve an issue with many ISPs who will not provide a DHCP lease unless the previous lease has been broken, and would allow pfSense to break its own lease.

History

#1 Updated by NOYB NOYB 2 months ago

PR
Status / Interfaces - Relinquish DHCP Lease
https://github.com/pfsense/pfsense/pull/3390 (2.4)
https://github.com/pfsense/pfsense/pull/3391 (2.3)

Forums
DHCP Release Message (proposal)
https://forum.pfsense.org/index.php?topic=124066

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