Open Stack

It all depends on how you want services scheduled.  If you want to isolate (centralize) services you can.  But if you don't care what services run on which nodes, you can have all your l3-agents run in dvr_snat mode.  The dvr_snat mode l3-agent will be capable of hosting centralized/legacy routers, dvr routers, and centralized snat services.

Does this help?

Yours,

Michael Smith
Hewlett-Packard Company
HP Networking R&D
8000 Foothills Blvd. M/S 5557
Roseville, CA 95747
PC Phone: 916 540-1884
Ph: 916 785-0918
Fax: 916 785-1199  

-----Original Message-----
From: Robert Collins [mailto:robertc at robertcollins.net] 
Sent: Friday, July 25, 2014 8:23 AM
To: OpenStack Development Mailing List
Subject: [openstack-dev] [Neutron] dvr router modes?

Excuse my ignorance here, but I'm hearing that dvr l3 agent will run in two different modes - and that a typical deployment will want some running in each: in a scaled all-in-one setup - say 3 nodes, galera, rabbit, all our APIs, and nova-compute on each - would we then want to run *two* l3 agents (one in dvr-snat mode, one in dvr mode) on each node?

Isn't it possible to avoid this and have just one l3 dvr mode ?

-Rob

--
Robert Collins <rbtcollins at hp.com>
Distinguished Technologist
HP Converged Cloud

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