The reason blocking pings prevents the IP address change is because a
lot of DHCP servers ping the IP before they (re)allocate the address.
If the device responds to the ping then the DHCP server abandons the IP
and leases a new one.
For this reason the network stack should; in my opinion ignore
To update this, powersave to 2 does not prevent the icmp during roam
problems.
I set net.ipv4.icmp_echo_ignore_all=1 in /etc/sysctl.conf as a
workaround.
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I edited /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
changing wifi.powersave = 3 to wifi.powersave = 2.
This improved the stability of the WiFi and appears to have stopped the
continuous 'roaming'. I will keep an eye on the dhcp logs at home and
report back if the 'ping during
Public bug reported:
My Thinkpad X1 Carbon Gen 9 has started to return pings in the middle of
WiFi roam events which is causing the IP address to change every time it
roams on the WiFi network. This is a huge problem for me because I
install WiFi networks for a living but in general it causes
** Also affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1981366
Title:
Intel AX201 / Thinkpad X1 Carbon Gen
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