Arch Linux

gmatbarua

Member

Registered: 2015-09-25

Posts: 8

Kde networkmanager applet pppoe connection

Issue: can ping websites but cannot open websites.
How to produce: create a dsl connection through applet. Then try to connect. After successful connection, either everything is ok or I am facing above problem.
Adhoc solution: try disconnecting and reconnecting number of times till I am able to open websites. If it is MTU issue, it would have consistently failed to connect.
I suspect, networkmanager is setting a variable randomly at each connection, and opening of a website depend on that variable. Plz help.

gmatbarua

Member

Registered: 2015-09-25

Posts: 8

Re: Kde networkmanager applet pppoe connection

Issue solved.

Problem: NetworkManager was not setting MTU correctly for pppoe. How do you know? Run: ip link
All the interfaces will show ppp0 interface to have MTU 1500.

Solution:
Add this

[ppp]
mtu=1492

to the file /etc/NetworkManager/system-connections/[dsl-connection-name]

Reboot and then run ip link. It will show ppp0 interface to have MTU 1492.

Last edited by gmatbarua (2016-06-05 18:43:13)

gmatbarua

Member

Registered: 2015-09-25

Posts: 8

Re: Kde networkmanager applet pppoe connection

This solution is not working in the lastest install image.