Hi, depending on your workflow there would be a way with scripting [0], not sure if this would be a suitable approach for you. There also has been a blueprint [1] for the selection of subnets during instance creation since Juno, but I can't find anything about an implementation. Regards, Eugen [0] https://ask.openstack.org/en/question/95573/how-to-select-a-subnet-when-booting-an-instance/ [1] https://specs.openstack.org/openstack/nova-specs/specs/juno/approved/selecting-subnet-when-creating-vm.html Zitat von Hang Yang <skinnyh92 at gmail.com>: > Hi there, > > I have one question about choosing a specific subnet when boot a vm. My > OpenStack cluster is in Queens and I have multiple subnets in one network. > What I want is when I issue a boot command the instance only gets ip from > one subnet by default. I know there is a way to achieve that by creating a > port with --fixed-ip subnet=xxx then pass the port id to boot command. > Wondering if there is another way that does not need manually create the > port? Is there any configuration I can do to make it default for Neutron to > only pick one subnet from a network in boot? > > Thanks for any help. > > Best regards, > Hang