[Openstack-operators] [Neutron] Prefer local Neutron nodes?

2017-01-25 Thread Adam Lawson
Hey everyone,

If we want to implement multiple dedicated neutron routers in multiple
racks (same cloud), is there a means of which I'm unaware that forces
instances to route cross-tenant and public traffic to a neutron node within
the local rack as opposed to load balancing L3 across all neutron nodes in
all racks?

*Example:*
6 racks,3 dedicated Neutron nodes per rack

//adam

*Adam Lawson*

Principal Architect, CEO
Office: +1-916-794-5706
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Re: [Openstack-operators] [Neutron] Prefer local Neutron nodes?

2017-01-26 Thread Saverio Proto
Hello Adam,

this feature you describe makes sense only if the tenant VMs are also
aggregated in the same rack. Is this your scenario ?

Given that you could have 3 network nodes running the L3-agent, then
you can make some scripting to stick the specific router (linux
namespace) to the specific l3-agent.

To see an example of how to migrate a router to a specific l3-agent
please look at:
https://github.com/openstack/osops-tools-contrib/blob/master/neutron/l3-agent-evacuate.py

Saverio


2017-01-25 20:00 GMT+01:00 Adam Lawson :
> Hey everyone,
>
> If we want to implement multiple dedicated neutron routers in multiple racks
> (same cloud), is there a means of which I'm unaware that forces instances to
> route cross-tenant and public traffic to a neutron node within the local
> rack as opposed to load balancing L3 across all neutron nodes in all racks?
>
> Example:
> 6 racks,3 dedicated Neutron nodes per rack
>
> //adam
>
> Adam Lawson
>
> Principal Architect, CEO
> Office: +1-916-794-5706
>
> ___
> OpenStack-operators mailing list
> OpenStack-operators@lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>

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