[openstack-dev] [Network] Allocate MAC and IP address for a VM instance

Dong Liu willowd878 at gmail.com
Wed Feb 19 08:21:41 UTC 2014


Jay, what the mac belong to? Is it a vm mac, or a mac of floatingip.
If it is a vm mac, you can associate any floatingip to vm port.
If it is a floatingip mac, I have no idea.

2014-02-19 11:44, Jay Lau :
> Thanks Liu Dong.
>
> In case that you may not get my previous question, so here just post it
> again to see if you can give a help.
>
> Is it possible to bind MAC to a FLOATING IP?
>
> Thanks,
>
> Jay
>
>
>
> 2014-02-19 10:38 GMT+08:00 Dong Liu <willowd878 at gmail.com
> <mailto:willowd878 at gmail.com>>:
>
>     yes, it does not worked via dashboard
>
>     Dong Liu
>
>     于 2014-02-19 8:11, Jay Lau 写道:
>
>         Thanks Dong for the great help, it does worked with command line!
>
>         This seems not available via dashboard, right?
>
>         Thanks,
>
>         Jay
>
>
>
>         2014-02-19 1:11 GMT+08:00 Dong Liu <willowd878 at gmail.com
>         <mailto:willowd878 at gmail.com>
>         <mailto:willowd878 at gmail.com <mailto:willowd878 at gmail.com>>>__:
>
>
>              Hi Jay,
>
>              In neutron API, you could create port with specified
>         mac_address and
>              fix_ip, and then create vm with this port.
>              But the mapping of them need to manage by yourself.
>
>
>              在 2014年2月18日,22:41,Jay Lau <jay.lau.513 at gmail.com
>         <mailto:jay.lau.513 at gmail.com>
>              <mailto:jay.lau.513 at gmail.com
>         <mailto:jay.lau.513 at gmail.com>>__> 写道:
>
>
>               > Greetings,
>               >
>               > Not sure if it is suitable to ask this question in
>         openstack-dev
>              list. Here come a question related to network and want to
>         get some
>              input or comments from you experts.
>               >
>               > My case is as this: For some security issue, I want to
>         put both
>              MAC and internal IP address to a pool and when create VM, I
>         can get
>              MAC and its mapped IP address and assign the MAC and IP
>         address to
>              the VM.
>               >
>               > For example, suppose I have following MAC and IP pool:
>               > 1) 78:2b:cb:af:78:b0, 192.168.0.10
>               > 2) 78:2b:cb:af:78:b1, 192.168.0.11
>               > 3) 78:2b:cb:af:78:b2, 192.168.0.12
>               > 4) 78:2b:cb:af:78:b3, 192.168.0.13
>               >
>               > Then I can create four VMs using above MAC and IP
>         address, each
>              row in above can be mapped to a VM.
>               >
>               > Does any of you have any idea for the solution of this?
>               >
>               > --
>               > Thanks,
>               >
>               > Jay
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>         --
>         Thanks,
>
>         Jay
>
>
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>
> --
> Thanks,
>
> Jay
>
>
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