[Bug 1294807] Re: "manual" type interfaces should allow the mtu stanza

[Launchpad Bug Tracker]

This bug was fixed in the package ifupdown - 0.7~beta2ubuntu11

---------------
ifupdown (0.7~beta2ubuntu11) precise; urgency=low

  [ Stéphane Graber ]
  * Allow setting the MTU and HWADDR on manual interfaces. (LP: #1294807)
 -- Chris J Arges <chris.j.arges at canonical.com>   Thu, 27 Mar 2014 11:34:01 -0500

** Changed in: ifupdown (Ubuntu Precise)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1294807

Title:
  "manual" type interfaces should allow the mtu stanza

Status in “ifupdown” package in Ubuntu:
  Fix Released
Status in “ifupdown” source package in Precise:
  Fix Released

Bug description:
  [Impact] 
   * Using mtu options on manual interfaces setup with ifupdown will not work.

  [Test Case]
   * Edit /etc/networking/interface and modify a manual interface such as:

  auto eth1
  iface eth1 inet manual
      mtu 9000

  * Bring down the interface and back up.
  $ ifdown eth1
  $ ifup eth1

  * Check mtu:
  $ ip link show eth1

  It should show mtu 9000

  [Regression Potential] 
   * This code is already in Trusty.

  --

  1. Ubuntu 12.04/14.04

  3. Expected: That MTU will be set with the mtu option
  4. What happens:  You need to use pre-up/post-up ifconfig mtu to set the option

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