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we run 3, one per controller. 40 seems like you might run into some issues and really shouldn't hit your controllers that hard at only 40 nodes.

Thanks,
Kevin
________________________________
From: David Wahlstrom [david.wahlstrom at gmail.com]
Sent: Wednesday, August 17, 2016 2:27 PM
To: OpenStack Operators
Subject: [Openstack-operators] Multiple DHCP Agents

Hey everybody,

We're working on getting some dhcp-agent's running on our deployment.  We have 40-some hypervisors and were thinking about deploying an agent to some/most/a few of them.  What I'm curious about is the recommended way to have multiple dhcp-agents running and if there is any notable downside to simply running a dhcp-agent on every hypervisor and tune the 'dhcp_agents_per_network' value to a sane value (something like 2 or 3).  We are using neutron DVR for our L3.

Thanks in advance for the feedback!

--
David W.
Unix, because every barista in Seattle has an MCSE.
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