[Kea-users] single subnet for multiple interfaces

[Andrey Kostin]

Darren Ankney писал(а) 2023-07-15 06:15:
> Hi Joe,
> 

> Random idea that may not work would be to try specifying "*" as the
> interface.  You can do that in the global interfaces-config (see first
> example here:
> https://kea.readthedocs.io/en/kea-2.4.0/arm/dhcp4-srv.html#interface-configuration),
> for sure.  I'm not sure that will be permitted in the pool statement,
> however (probably not, but worth a try).
> 
> Thank you,
> 
> Darren Ankney
> 
> On Fri, Jul 14, 2023 at 7:04 AM Joe Botha <joe at swimgeek.com> wrote:
>> 
>> Hi
>> 
>> Got a bit stuck with the client-class idea.
>> 
>> Even with classes forcing subnet selection based on the interface, Kea 
>> will not respond unless an interface is defined within the subnet - 
>> and we're back to the same problem, you can only define one interface 
>> per subnet.
>> 
>> So we're using br0.30 as the test. br0.30 is defined at the global 
>> level. If it's defined in the subnet as well, things work. If it's not 
>> defined in the subnet level, things do not work.
>> 
>> Any advice to get around the one interface per subnet problem?
>> 

Maybe it could work if you insert option-82 indicating from what switch 
port the client comes from.

Just a shot in the dark.

Kind regards,
Andrey