DHCP Relay for WLAN2

Hey guys,
I cant figure out how to use the DHCP Relay option.

The Router is part of 192.168.0.0/24 and wlan1 is bridged to that network.

Now I added a second VirtualAP wlan2 for guests. The network address of that interface is 192.168.100.1.
DCHP (Windows) is 192.168.0.6 on 182.168.0.0/24. Scope is added for that network.

Flags: X - disabled, I - invalid, D - dynamic 
 #   ADDRESS            NETWORK         INTERFACE                 
 0   192.168.0.3/24     192.168.0.0     ether1-master-local       
 1   192.168.100.1/24   192.168.100.0   wlan2

I want that every Client that joins getting an ip address from 192.168.0.6 in 192.168.100.1.

Flags: X - disabled, I - invalid 
 #   NAME                   INTERFACE                  DHCP-SERVER     LOCAL-ADDRESS  
 0   relay1                 wlan2                      192.168.0.6     0.0.0.0

What am I missing? Is the route the missing part?
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