Yes, in broad terms you would do this by implementing an alternative DHCP driver class and configuring the DHCP agent to use‎ that class instead of its default (which is Dnsmasq). The DHCP driver gets a 'Network model' that specifies the IP addresses and other DHCP information that each instance should get, and then the driver should take care of running or configuring a DHCP server to provide that information. 

For more detail please look at neutron/agent/*dhcp*.py and neutron/agent/linux/*dhcp*.py.

   Neil 


From: Vaidyanath Manogaran
Sent: Monday, 24 October 2016 09:59
To: Openstack; [email protected]
Subject: [Openstack] [Neutron][DHCP server] Integrate External DHCP server with Neutron

Hi All,
Is it possible to configure an external DHCP server to serve IP address to the vm's which gets spun up with Nova?
If so could you please point out the options available.

--
Regards,

Vaidyanath
+91-9483465528(M)

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