Re: [openstack-dev] Why need br-int and br-tun in openstack neutron

2015-05-25 Thread Mike Kolesnik
- Original Message - Comments in-line. - Original Message - On 23 May 2015 at 04:43, Assaf Muller amul...@redhat.com wrote: There's no real reason as far as I'm aware, just an implementation decision. This is inaccurate. There is a reason(s), and this has

Re: [openstack-dev] Why need br-int and br-tun in openstack neutron

2015-05-24 Thread Assaf Muller
The OVS agent has been implemented under the assumption that you're working with two bridges, it's a requirement. It creates the tunneling bridge if you enable tunneling, you can't have it any other way. On 24 במאי 2015, at 03:52, Daniel Comnea comnea.d...@gmail.com wrote: On Sat, May

Re: [openstack-dev] Why need br-int and br-tun in openstack neutron

2015-05-24 Thread Daniel Comnea
On Sun, May 24, 2015 at 5:46 PM, Armando M. arma...@gmail.com wrote: On 23 May 2015 at 04:43, Assaf Muller amul...@redhat.com wrote: There's no real reason as far as I'm aware, just an implementation decision. This is inaccurate. There is a reason(s), and this has been asked before:

Re: [openstack-dev] Why need br-int and br-tun in openstack neutron

2015-05-24 Thread Assaf Muller
Comments in-line. - Original Message - On 23 May 2015 at 04:43, Assaf Muller amul...@redhat.com wrote: There's no real reason as far as I'm aware, just an implementation decision. This is inaccurate. There is a reason(s), and this has been asked before:

Re: [openstack-dev] Why need br-int and br-tun in openstack neutron

2015-05-24 Thread YAMAMOTO Takashi
There's no real reason as far as I'm aware, just an implementation decision. This is inaccurate. There is a reason(s), and this has been asked before: http://lists.openstack.org/pipermail/openstack/2014-March/005950.html This link is to a thread asking why do we connect a Linux bridge

Re: [openstack-dev] Why need br-int and br-tun in openstack neutron

2015-05-24 Thread Daniel Comnea
On Sat, May 23, 2015 at 12:43 PM, Assaf Muller amul...@redhat.com wrote: There's no real reason as far as I'm aware, just an implementation decision. [DC]: in this case wouldn't this bee seen suitable as best practicies vs what every blog/ manual is suggesting? On 21 במאי 2015, at 01:48,

Re: [openstack-dev] Why need br-int and br-tun in openstack neutron

2015-05-23 Thread Assaf Muller
There's no real reason as far as I'm aware, just an implementation decision. On 21 במאי 2015, at 01:48, Na Zhu na...@cn.ibm.com wrote: Dear, When OVS plugin is used with GRE option in Neutron, I see that each compute node has br-tun and br-int bridges created. I'm trying to

[openstack-dev] Why need br-int and br-tun in openstack neutron

2015-05-20 Thread Na Zhu
Dear, When OVS plugin is used with GRE option in Neutron, I see that each compute node has br-tun and br-int bridges created. I'm trying to understand why we need the additional br-tun bridge here. Can't we create tunneling ports in br-int bridge, and have br-int relay traffic between VM