Sorry for brief reply, I'm on mobile external_network_bridge is supposed to point to a bridge such as br-ex which is manually created, not a physical Ethernet device On Wed, Sep 2, 2015 at 1:50 AM Michael Gale <[email protected]> wrote:
> Hello, > > I am running the Kilo release using os-ansible-deployment and have a > functioning OpenStack installation using VXLANs however I am running into > an issue adding an external network. > > From the Horizon interface I can create private tenant networks without an > issue and I have created an external network: > - Subnet 1.2.10.0/24 > - GW 1.2.10.1 > - VXLAN ID: 999 > > Inside OpenStack the instances can access each other and the public IP's > that exist on the external subnet however they can not access the external > subnet gateway which exist outside of OpenStack. > > On the neutron agent node where I have the neutron L3 agent: > - I can see my external network interface (eth11) and it is working > - I can see a bridge device that has a VXLAN ID interface attached that > matches my external network plus 2 tap devices > > If I check the network namespace I find a router exists with ports, > routers, etc and matches the Horizon Network Topology graph. > > Now from my understanding I need to update /etc/neutron/l3_agent.ini and > set my external interface and that neutron will automatically add that > interface to the router when it is marked as external: > external_network_bridge = eth11 > > However that did not work, I was able to make it work by adding eth11 to > the bridge interface that got created: > > *Neutron Node - Before change* > --snip-- > bridge name bridge id STP enabled interfaces > brq321e79ee-60 8000.629228307545 no > tap69cab170-04 > vxlan-77 > brqd8c6a159-03 8000.16ed469b44d8 no > tap83dc2c50-ef > vxlan-999 > > --snip-- > > *Neutron Node - After change* > --snip-- > bridge name bridge id STP enabled interfaces > brq321e79ee-60 8000.9225a6292c5c no > tap277296ef-97 > tape55e2167-98 > vxlan-77 > brqd8c6a159-03 8000.00163ee12e11 no eth11 > tap124723f9-2e > tap5f9dc7ba-d6 > vxlan-999 > > --snip-- > > > Obviously I am missing something, any help is appreciated. > > > Thanks > Michael > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : [email protected] > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >
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