DHCP Scope not getting used after authentication

Alan DeKok aland at deployingradius.com
Fri Nov 27 00:33:40 CET 2020

On Nov 26, 2020, at 4:43 PM, Jerome <jc935 at cam.ac.uk> wrote:
> We have set up 2 Vlans to segment the buildings and assign static vlans on
> the switch ports that connects to the Unifi AP. Depending on the VLAN X or
> VLAN Y, the DHCP server should provide ipaddress from one of the subnet. 
> Since the windows server upgrade on April 2020, the end devices are picking
> only X subnet ipaddress. Y subnet is not issued. I have tested with a test
> vm, can confirm that the Y subnet is issued. I have also used the old
> windows DHCP server ip address but no changes. 
> Does Free Radius setup has any role in this problem? 

  Maybe.  If the users are placed in the wrong subnet, then the DHCP server will just assign addresses from that subnet.

  You'll have to do some network tracing to see what's going on.  Look at the FR debug output, packet traces on the different VLANs, etc.

  Alan DeKok.

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