** Changed in: network-manager
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1997553
Title:
network-manager fails to trigger dispatcher scripts with action
dhcp4-change when dhcp lease is renewed
Status in NetworkManager:
Fix Released
Status in network-manager package in Ubuntu:
Triaged
Bug description:
We rely on network-manager dispatcher scripts on our desktop and
laptop computers. The dispatcher scripts are used to update DNS
records with nsupdate when the dhcp lease is renewed.
With jammy this is not working anymore. It seems that dispatcher
scripts are run only when the interface comes up (with action 'up')
and with the initial dhcp lease (with action 'dhcp4-change'), but when
the lease is renewed, the dispatcher scripts are not run with any
action. The only action the dispatcher scripts are run regularly with
is 'connectivity-change', which seems to occur twice in a row every
few hours.
I have made a simple script to log how the dispatcher scripts are run:
/etc/NetworkManager/dispatcher.d/99-test:
#!/bin/bash
PATH='/bin:/sbin:/usr/bin:/usr/sbin'
echo $(date) 0: $0 IFACE: $1 ACTION: $2 >> /tmp/nm.log
This script proves that action 'dhcp4-change' only occurs when I
manually restart NetworkManager.service or unplug and replug the
ethernet cable.
network-manager version: 1.36.6-0ubuntu2
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