Re: [openstack-dev] [qa] Should it be allowed to attach 2 interfaces from the same subnet to a VM?

2014-12-02 Thread Steve Gordon
- Original Message - From: Danny Choi (dannchoi) dannc...@cisco.com To: openstack-dev@lists.openstack.org Hi, When I attach 2 interfaces from the same subnet to a VM, there is no error returned and both interfaces come up. lab@tme211:/opt/stack/logs$ nova interface-attach

Re: [openstack-dev] [qa] Should it be allowed to attach 2 interfaces from the same subnet to a VM?

2014-12-02 Thread Danny Choi (dannchoi)
Hi Andrea, Though both interfaces come up, only one will response to the ping from the neutron router. When I disable it, then the second one will response to ping. So it looks like only one interface is useful at a time. My question is is there any useful case for this, I.e. Why would you do

Re: [openstack-dev] [qa] Should it be allowed to attach 2 interfaces from the same subnet to a VM?

2014-12-02 Thread Steve Gordon
- Original Message - From: Danny Choi (dannchoi) dannc...@cisco.com To: openstack-dev@lists.openstack.org Hi Andrea, Though both interfaces come up, only one will response to the ping from the neutron router. When I disable it, then the second one will response to ping. So it

Re: [openstack-dev] [qa] Should it be allowed to attach 2 interfaces from the same subnet to a VM?

2014-12-02 Thread Clint Byrum
Excerpts from Danny Choi (dannchoi)'s message of 2014-12-02 08:34:07 -0800: Hi Andrea, Though both interfaces come up, only one will response to the ping from the neutron router. When I disable it, then the second one will response to ping. So it looks like only one interface is useful at