Installed 2.6.38-999-generic AMD64 kernel and tried setting MTU. Here are the results:
root@brand:~# uname -a Linux brand 2.6.38-999-generic #201102260905 SMP Sat Feb 26 09:10:54 UTC 2011 x86_64 GNU/Linux root@brand:~# ifconfig eth0 mtu 4078 root@brand:~# ifconfig eth0 mtu 4079 SIOCSIFMTU: Invalid argument root@brand:~# ifconfig eth0 mtu 9000 SIOCSIFMTU: Invalid argument I cannot set any MTU above 4078. ** Tags removed: needs-upstream-testing -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/715331 Title: e1000e / Intel 82577LM Gbit NIC Jumbo Frames not working. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
