In 11.04 problem still here. I solved this problem as follows: sudo nano /etc/NetworkManager/system-connections/DSL (name of my connection) go to section [ppp] and see what mtu = 1492. After changing of this value all good.
P.S Changing of MTU in GUI affect mtu record in section [802-3-ethernet], and this record has no effect for me. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/387456 Title: wrong mtu value on dsl connection To manage notifications about this bug go to: https://bugs.launchpad.net/network-manager/+bug/387456/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs