DHCP Helper does not work with "-b wlan0"

Bug #1319921 reported by jean-christophe manciot on 2014-05-15
This bug affects 1 person
Affects Status Importance Assigned to Milestone
dhcp-helper (Ubuntu)

Bug Description

In /etc/default/dhcp-helper, if DHCPHELPER_OPTS="-b eth0", everything works fine: my virtualized devices on tap interface get their IP configuration from a DHCP server located on "eth0".

If I change this setting to DHCPHELPER_OPTS="-b wlan0", it does NOT work anymore with the same environment; the DHCP DISCOVER are sent on the tap interface, but no answers are received from the DHCP server located on "wlan0".

If you need more information, I remain available.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: dhcp-helper 1.1-1
ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.1
Architecture: amd64
CurrentDesktop: Unity
Date: Thu May 15 18:16:25 2014
InstallationDate: Installed on 2014-05-11 (4 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
SourcePackage: dhcp-helper
UpgradeStatus: No upgrade log present (probably fresh install)

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