https://bugs.kde.org/show_bug.cgi?id=516132
Bug ID: 516132
Summary: NetworkManager settings (MTU, IPv4, ...) do not take
effect immediately after clicking "Apply"
Classification: Applications
Product: systemsettings
Version First unspecified
Reported In:
Platform: KDE Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm_networkmanagement
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
Created attachment 189682
--> https://bugs.kde.org/attachment.cgi?id=189682&action=edit
STEPS TO REPRODUCE
SUMMARY
In the Network Settings, modified parameters—such as the MTU size or manual
IPv4 addresses—are saved but not applied to the active connection. The user
must manually disconnect and reconnect the network interface for the changes to
be reflected in the system.
STEPS TO REPRODUCE
1. Open System Settings and navigate to Wi-Fi & Internet.
2. Select an active Wired or Wi-Fi connection.
3. Change a setting (e.g., change IPv4 from Automatic to Manual and assign an
IP, or change the MTU value).
4. Click the "Apply" button.
5. Check the interface status in the terminal (e.g., using 'ip addr' or
'ifconfig').
OBSERVED RESULT
The UI saves the settings, but the network interface continues to use the old
configuration. The changes only apply after "Disconnect" and then "Connect"
again.
EXPECTED RESULT
Clicking "Apply" should either automatically trigger a connection refresh or
prompt the user that a reconnection is required to apply the new settings.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 43
KDE Plasma Version: 6.5.5
KDE Frameworks Version: 6.22.0
Qt Version: 6.10.1
Kernel Version: 6.18.9-200.fc43.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i5-8250U CPU @ 1.60GHz
Memory: 32 GB of RAM (31.1 GB usable)
Graphics Processor 1: Intel® UHD Graphics 620
Graphics Processor 2: AMD Radeon R5 M465 Series
ADDITIONAL INFORMATION
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