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[Adolfo Duarte <adolfo.duarte@xxxxxx>]

Public bug reported:

Pre-Conditions: three node dvr topology created with devstack script
from master branch

step-by-step:
as " source openrc admin admin"  (adminstrator)

Dvr routers is created
Three Subnets are attached to it.
Only one vm is instantiated  and attach to only one subnet.

Expected Output:
The router is instantiated in the same compute node as the vm with only ONE qr- interface attached to BR-INT bridge

Actual Output:
The router is instantiated on the same compute node as the vm and THREE qr- interfaces are added to the BR-INT  bridge.
One for each of the subnets attached to the router.

Problem:
Only one interface is needed on the BR-INT, the one for the subnet the vm is attached to.
The other two are not doing anything except consuming resources.

Version: Mitaka (master on March 1st, 2016)
                 Ubuntu
Perceived Severity:
   probably low. The presence of the other two unused interfaces does not affect functionality

** Affects: neutron
     Importance: Undecided
         Status: New

** Description changed:

  Pre-Conditions: three node dvr topology created with devstack script
  from master branch
  
  step-by-step:
  as " source openrc admin admin"  (adminstrator)
  
  Dvr routers is created
- Three Subnets are attached to it. 
- Only one vm is instantiated  and attach to only one subnet. 
+ Three Subnets are attached to it.
+ Only one vm is instantiated  and attach to only one subnet.
  
- Expected Output: 
+ Expected Output:
  The router is instantiated in the same compute node as the vm with only ONE qr- interface attached to BR-INT bridge
  
  Actual Output:
  The router is instantiated on the same compute node as the vm and THREE qr- interfaces are added to the BR-INT  bridge.
- One for each of the subnets attached to the router. 
+ One for each of the subnets attached to the router.
  
  Problem:
- Only one interface is needed on the BR-INT, the one for the subnet the vm is attached to. 
- The other two are not doing anything except consuming resources. 
+ Only one interface is needed on the BR-INT, the one for the subnet the vm is attached to.
+ The other two are not doing anything except consuming resources.
  
  Version: Mitaka (master on March 1st, 2016)
-                  Ubuntu
- Perceived Severity: 
-    probably low. The presence of the other two unused interfaces does not affect functionality
+                  Ubuntu
+ Perceived Severity:
+    probably low. The presence of the other two unused interfaces does not affect functionality

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https://bugs.launchpad.net/bugs/1552085

Title:
  Router Interfaces Are Instantiated in Compute Nodes Which do not need
  them.

Status in neutron:
  New

Bug description:
  Pre-Conditions: three node dvr topology created with devstack script
  from master branch

  step-by-step:
  as " source openrc admin admin"  (adminstrator)

  Dvr routers is created
  Three Subnets are attached to it.
  Only one vm is instantiated  and attach to only one subnet.

  Expected Output:
  The router is instantiated in the same compute node as the vm with only ONE qr- interface attached to BR-INT bridge

  Actual Output:
  The router is instantiated on the same compute node as the vm and THREE qr- interfaces are added to the BR-INT  bridge.
  One for each of the subnets attached to the router.

  Problem:
  Only one interface is needed on the BR-INT, the one for the subnet the vm is attached to.
  The other two are not doing anything except consuming resources.

  Version: Mitaka (master on March 1st, 2016)
                   Ubuntu
  Perceived Severity:
     probably low. The presence of the other two unused interfaces does not affect functionality

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