[openstack-dev] [neutron]How to use external_net?

ZZelle zzelle at gmail.com
Thu Jul 30 11:21:42 UTC 2015


You need a router to bind internal network(s) with external network.

Otherwise you cannot allocate a floating ip (on the external network) to
VMs (on internal network(s)).

The doc[1] explains how to do it.



On Thu, Jul 30, 2015 at 1:08 PM, 于洁 <16189455 at qq.com> wrote:

> Hi all,
>       I find that if setting the value of router:external=True for a
> net(example: neutron net-update netID --router:external=True)
>       Users in other tenants could allocate floating IP from this
> net(example: neutron floatingip-create netID).
>       But how could this floating IP bind to a VM created by the user from
> other tenants? The network is unreachable.
>       Or do I misunderstand the function?
> Thanks,
> Yu
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