Hi Hean,

You can select physical networks when creating a shared network. However,
it is not possible for isolated networks and L2 networks.
The physical network of isolated/L2 networks are determined by the tags of
network offering.

Prior to 4.18, all physical networks must have tags if there are multiple
physical guest networks.
With PR https://github.com/apache/cloudstack/pull/6781 merged into 4.18,
one of the physical networks can have null tags , the networks created from
network offering with null tags will be created on the physical network
with null tags.
The other physical networks and network offerings must have tags.


-Wei



On Wed, 29 Mar 2023 at 16:41, Hean Seng <heans...@gmail.com> wrote:

> Hi
>
> For creating Isolated Network, and Guest network, we can choose which
> Physical Network interface that it need to bind to .
>
> However for L2 network, there is no interface to select .  Can I know that
> fo the L2 network that created ,  which interface of the Physical Interface
> it bind to ?
>
> Or i understand wrong of L2 network.
>
>
>
> --
> Regards,
> Hean Seng
>

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