Vlan fog and child domain

[Lanstack]

Hello,
I work in a high school

I have a field “lyc-paul-xx.local” and a child domain “lyc-tertiary-paul-xx.local”
All users can log onto any workstation

My network consists of vlan.

There are:

the vlan “server” that contains 172.17.212.x 2k3 servers
the vlan “resources” 172.17.5.x in which I installed 0.32 FOG (172.17.5.200)
The vlan “teachers” 172.17.208.x and “students” 172.17.64.x containing workstations

The vlan “tertiary” 172.31.0.1 that contains a child domain server + workstations.

I can save and restore workstations vlan “teachers” and “students”.
For cons, I can not with computers in the vlan “tertiary”.

I start a computer (located in the tertiary vlan) in pxe - debug mode.

I notice:
IP-Config: Gateway not be Directly connected network.

When I ping the fog: Network is unreachable
If I type this command on the client: / sbin / route add-net 0.0.0.0 gw 172.31.0.254 eth0

After I manage to ping the fog
How to integrate this bridge?

[kirksec]

ok this might not be my territory but how about getting that kind of Config on your Router/Switch to make it see that Vlan ?