Setting it manually works fine, and I see 9k frames on the wire for IPv6. Its a I350-T2 Intel server NIC, fairly modern.
Currently I've added a /etc/network/if-up.d/ script to set it every time the interface comes up (legacy protocols in my networks? never!) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1061304 Title: Configured ethernet MTU not set with IPv4 disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1061304/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
