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["Markus Zoeller \(markus_z\)" <mzoeller@xxxxxxxxxxxxxxxxxx>]

This is an automated cleanup. This bug report has been closed because it
is older than 18 months and there is no open code change to fix this.
After this time it is unlikely that the circumstances which lead to
the observed issue can be reproduced.

If you can reproduce the bug, please:
* reopen the bug report (set to status "New")
* AND add the detailed steps to reproduce the issue (if applicable)
* AND leave a comment "CONFIRMED FOR: <RELEASE_NAME>"
  Only still supported release names are valid (LIBERTY, MITAKA, OCATA, NEWTON).
  Valid example: CONFIRMED FOR: LIBERTY


** Changed in: nova
   Importance: Medium => Undecided

** Changed in: nova
       Status: Confirmed => Expired

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https://bugs.launchpad.net/bugs/1045248

Title:
  dhcp server defaults to gateway for filtering when unset

Status in OpenStack Compute (nova):
  Expired

Bug description:
  network/model.py converts new-style models to old ones.

  When it's trying to identify the IP address of a DHCP server, it uses
  the DHCP server address, if set, and the gateway if not.  DHCP
  filtering is only turned off completely (i.e. all DHCP packets are
  denied) if neither a DHCP server nor a gateway are set.

  There's no documentation of this functionality in the code, so I don't
  know why it's there.  However, I believe the DHCP server address
  should always be set to the correct address and, if it's unset, then
  there is no DHCP server  - so the fallback should be removed from the
  code.  (I'd appreciate someone confirming that.)

  This bug will affect the libvirt driver (which at present uses
  legacy()-style models) and anything that uses virt/firewall.py (which
  converts new models to legacy form).

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