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[Bug 1244853] Re: Two Internal Devices Found in a Router Namespace

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Tue, 01 Apr 2014 12:01:14 -0000
Reply-to: Bug 1244853 <1244853@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: neutron
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1244853

Title:
  Two Internal Devices Found in a Router Namespace

Status in OpenStack Neutron (virtual network service):
  Fix Released

Bug description:
  Doing a sudo ip netns qrouter-<router-id> ifconfig for a router
  namespace reveals the following.  There are two internal devices (qr-
  XXXX) in this namespace.  When a VM is created with a floating ip
  using this router, it cannot be pinged.

  lo        Link encap:Local Loopback  
            inet addr:127.0.0.1  Mask:255.0.0.0
            inet6 addr: ::1/128 Scope:Host
            UP LOOPBACK RUNNING  MTU:16436  Metric:1
            RX packets:147 errors:0 dropped:0 overruns:0 frame:0
            TX packets:147 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:0 
            RX bytes:12936 (12.9 KB)  TX bytes:12936 (12.9 KB)

  qg-c9bad8cf-63 Link encap:Ethernet  HWaddr fa:16:3e:fe:20:2d  
            inet addr:15.184.41.158  Bcast:15.184.47.255  Mask:255.255.248.0
            inet6 addr: fe80::f816:3eff:fefe:202d/64 Scope:Link
            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
            RX packets:7567222 errors:0 dropped:235502 overruns:0 frame:0
            TX packets:2831290 errors:0 dropped:4 overruns:0 carrier:0
            collisions:0 txqueuelen:1000 
            RX bytes:14540514463 (14.5 GB)  TX bytes:246815068 (246.8 MB)

  qr-57bb264d-7c Link encap:Ethernet  HWaddr fa:16:3e:8f:dc:be  
            inet addr:10.24.0.1  Bcast:10.24.255.255  Mask:255.255.0.0
            inet6 addr: fe80::f816:3eff:fe8f:dcbe/64 Scope:Link
            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
            RX packets:292 errors:0 dropped:0 overruns:0 frame:0
            TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:1000 
            RX bytes:23856 (23.8 KB)  TX bytes:126 (126.0 B)

  qr-9883db4f-07 Link encap:Ethernet  HWaddr fa:16:3e:5e:70:09  
            inet addr:10.24.0.1  Bcast:10.24.255.255  Mask:255.255.0.0
            inet6 addr: fe80::f816:3eff:fe5e:7009/64 Scope:Link
            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
            RX packets:171988 errors:0 dropped:0 overruns:0 frame:0
            TX packets:319691 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:1000 
            RX bytes:14116358 (14.1 MB)  TX bytes:653426894 (653.4 MB)

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