This bug was fixed in the package network-manager - 1.22.10-1ubuntu2.3
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network-manager (1.22.10-1ubuntu2.3) focal; urgency=medium
* wwan: Set MTU based on what ModemManager exposes
(LP: #1955797)
-- Jerry Lee Mon, 27 Nov 2021 09:37:06 +0800
** Changed in:
** Description changed:
[Impact]
Some 4G/5G mobile networks(for ex., AT) requires a specific MTU
setting, this setting will be exposed by the ModemManager for network-
manger to configure the MTU of the modem network interface .
- The current modem-manager v1.22.10-1ubuntu2.2 in
** Attachment added: "Verification report"
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1955797/+attachment/5556131/+files/SRU%20for%20network-manager%28verify%20report%29%20.pdf
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
--
You
Test passed with Lenovo ThinkEdge SE30(11ND) on Focal:
* The version of the packages tested:
network-manager: 1.22.10-1ubuntu2. 3
The detail testing procedure and result is provided as the attached file
: "SRU for network-manager(verify report).pdf"
--
You received this bug notification
Hello Jerry, or anyone else affected,
Accepted network-manager into focal-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/network-
manager/1.22.10-1ubuntu2.3 in a few hours, and then in the -proposed
repository.
Please help us by testing this new
Sponsored the change, it should now be in the focal Unapproved queue,
waiting from someone from the SRU team to review and accept. I also
pushed the change to the git repository.
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Bugs, which is subscribed to Ubuntu.
Hi Lukasz,
Carrier network providers use bearer information to carry the MTU
setting, this can be received by the modem then exposed to its host
system either via NetworkManager's ipv4_config or ipv6_config.
I think ipv4_config is the must supported setting in carrier's network,
that may be why
Hey Jerry! This looks good and I can certainly sponsor it for you.
One question before I do that though. Looking at the original source commit:
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/499?commit_id=212758ea05a4c13d65f36b55c90aee7919642631
It is mentioned
** Also affects: network-manager (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: network-manager (Ubuntu)
Importance: Undecided => Medium
** Changed in: network-manager (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: network-manager (Ubuntu)
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: network-manager (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1955797
The attachment ".debdiff for focal" seems to be a debdiff. The ubuntu-
sponsors team has been subscribed to the bug report so that they can
review and hopefully sponsor the debdiff. If the attachment isn't a
patch, please remove the "patch" flag from the attachment, remove the
"patch" tag, and
The .debdiff file “network-manager_1-1.22.10-1ubuntu2.3-focal.debdiff”
is attached for focal(20.04).
** Description changed:
[Impact]
Some 4G/5G mobile networks(for ex., AT) requires a specific MTU
setting, this setting will be exposed by the ModemManager for network-
manger to
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