[openstack-dev] [nova][neutron] Create VM using port-create vs nova boot only?

Wanjing Xu wanjing_xu at hotmail.com
Tue Feb 10 06:21:39 UTC 2015


There seemed to be two ways to create a VM via cli:
1) use neutron command to create a port first and then use nova command to attach the vm to that port(neutron port-create.. followed by nova boot --nic port-id=)2)Just use nova command and a port will implicitly be created for you(nova boot --nic net-id=net-uuid).
My question is : is #2 sufficient enough to cover all the scenarios?  In other words, if we are not allowed to use #1(can only use #2 to create vm), would we miss anything?
Regards!Wanjing Xu 		 	   		  
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