nova-manage network create in trunk r1245 in my test

The network range is not big enough to fit 256. Network size is 256
Command failed, please check log for more info


https://answers.launchpad.net/nova/+question/163627
https://answers.launchpad.net/nova/+question/163695

As Vish mentioned in the above QA link .

Due to the multi_nic feature support , network creating has some changes .

You have to add a "label" in cmd
example:

Older version
#nova-manage network create 1.2.3.4/24 1 256 

Trunk(r1245 for me)
#nova-manage network create  label_flag  1.2.3.4/24 1 256


In my knowing , label could be "public" or "private" currently.
Not sure the difference of labels, still seeking more info about this change .
I'll appreciate any further info from you.

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