[Bug 1401658] Re: Host veth mtu not preserved during container reboot
I think I see what the problem is; the containers on these hosts where created with mtu 1500; i then updated the configuration files to set the mtu to 9000 + set the veth mtu's to 9000 using: ip link set veth mtu 9000 This means that the container was started using an mtu of 1500 not 9000. Rebooting the container internally results in the host mtu re-setting to 1500. This is a general side effect of trying to massage mtu's to 9000 to support jumbo frames in openstack deployments. ** Changed in: lxc (Ubuntu) Status: Incomplete = New -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1401658 Title: Host veth mtu not preserved during container reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1401658/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1401658] Re: Host veth mtu not preserved during container reboot
So the problem for you is that juju creates the containers with the wrong mtu? I don't know where juju gets its config file, (that it passes to 'lxc- create -f but the best solution appears to be to update that to set the mtu before the containers are ever created. ** Also affects: juju (Ubuntu) Importance: Undecided Status: New ** Changed in: lxc (Ubuntu) Status: New = Invalid -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1401658 Title: Host veth mtu not preserved during container reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/juju/+bug/1401658/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1401658] Re: Host veth mtu not preserved during container reboot
I think I see what the problem is; the containers on these hosts where created with mtu 1500; i then updated the configuration files to set the mtu to 9000 + set the veth mtu's to 9000 using: ip link set veth mtu 9000 This means that the container was started using an mtu of 1500 not 9000. Rebooting the container internally results in the host mtu re-setting to 1500. This is a general side effect of trying to massage mtu's to 9000 to support jumbo frames in openstack deployments. ** Changed in: lxc (Ubuntu) Status: Incomplete = New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1401658 Title: Host veth mtu not preserved during container reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1401658/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1401658] Re: Host veth mtu not preserved during container reboot
So the problem for you is that juju creates the containers with the wrong mtu? I don't know where juju gets its config file, (that it passes to 'lxc- create -f but the best solution appears to be to update that to set the mtu before the containers are ever created. ** Also affects: juju (Ubuntu) Importance: Undecided Status: New ** Changed in: lxc (Ubuntu) Status: New = Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1401658 Title: Host veth mtu not preserved during container reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/juju/+bug/1401658/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1401658] Re: Host veth mtu not preserved during container reboot
** Tags added: landscape smoosh -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1401658 Title: Host veth mtu not preserved during container reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1401658/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1401658] Re: Host veth mtu not preserved during container reboot
Was not able to reproduce this on my utopic host or a trusty VM. James will try to come up with a reproducer. ** Changed in: lxc (Ubuntu) Status: New = Incomplete ** Changed in: lxc (Ubuntu) Importance: Undecided = High -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1401658 Title: Host veth mtu not preserved during container reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1401658/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1401658] Re: Host veth mtu not preserved during container reboot
** Tags added: landscape smoosh -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1401658 Title: Host veth mtu not preserved during container reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1401658/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1401658] Re: Host veth mtu not preserved during container reboot
Was not able to reproduce this on my utopic host or a trusty VM. James will try to come up with a reproducer. ** Changed in: lxc (Ubuntu) Status: New = Incomplete ** Changed in: lxc (Ubuntu) Importance: Undecided = High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1401658 Title: Host veth mtu not preserved during container reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1401658/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
