http://isc-dhcp-users.193.s1.nabble.com/Multiple-vendor-encapsulated-option-spaces-tp117p120.html
> On May 27, 2015, at 1:20 PM, Peter Rathlev <
[hidden email]> wrote:
>
> I'm facing a problem trying to define and use two different option
> spaces. For some reason only the last defined option space actually
> works. Swapping them makes the other work.
>
> We're running isc-dhcpd-4.3.2 (vanilla from source) on CentOS 5+6 in a
> text-book failover configuration.
>
> The option space configuration that I can't get to work is:
>
> option space Cisco-WLC;
> option Cisco-WLC.ControllerIP code 241 = ip-address;
> option Cisco-WLC-encapsulation code 43 = encapsulate Cisco-WLC;<-----------------
>
> option space ASCOM;
> option ASCOM.servicediscovery code 10 = text;
> option ASCOM-encapsulation code 43 = encapsulate ASCOM; <-----------------