Some good information on that here: 
http://www.mirantis.com/blog/openstack-networking-flatmanager-and-flatdhcpmanager/
 


----- Original Message ----- 


From: "Neelakantam Gaddam" <[email protected]> 
To: [email protected] 
Sent: Tuesday, 25 September, 2012 7:57:16 AM 
Subject: [Openstack] DHCP requests on stable/essex 


Hi, 

I am trying to understand the DHCP behaviour in stable/essex with two node 
openstack setup(one compute, one controller). The VM on compute is getting IP 
and there is no issue with networking. When I capture the packets at compute 
and controller nodes, I see several DHCP requests/offers/acks in the capture. I 
am not understanding this behaviour. Could anyone explain the DHCP flow from 
compute VM to controller DHCP server and viceversa. 


-- 
Thanks & Regards 
Neelakantam Gaddam 

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