X440 DHCP Set up

[rjgivens]

I have 9 X440 in a network, with one acting as the "main switch", and have Unifi access points attached to the various switches.   I am trying to make it so the "Main Switch" is the DHCP server for each of our vlans on all switches.   I have configured DHCP etc on each VLAN, and assigned the trunk ports to the dhcp.   In unifi controller, I have created networks that correspond with each vlan, but when I connect via wifi, I still get a self assigned IP.   What am I missing here?  

[Miguel-Angel_RO]

Difficult to help with the description of you GUI experience...

Post your config, we can have a look

[nick533]

It sounds like the issue may lie in either the VLAN configuration on the Unifi access points or the trunking setup between the switches and access points. Make sure the trunk ports between the switches and access points are properly tagged for each VLAN. Additionally, ensure that the Unifi access points are correctly set up to allow the DHCP request to reach the main switch. In the Unifi controller, double-check that each network is associated with the correct VLAN ID and that DHCP relay (if used) is properly configured. If you're using multiple DHCP scopes, verify that the correct scope is applied to each VLAN on the main switch.

[rjgivens]

Turns out, I had it set up correctly.  Someone had plugged 2 cat5 and a fiber on the same vlan between 2 of our switches.      

[Gabriel_G · Accepted solution]

Hi!

I don't think we have enough information to give you an exact answer, but here is a helpful guide with all needed commands:
https://extreme-networks.my.site.com/ExtrArticleDetail?an=000082555

Be sure that the DHCP components are not only configured, but also DHCP is enabled on the relevant port/VLAN with the 'enable dhcp port ...> command.

As a test, if you give the client a static IP/Subnet mask, can it ping the switch IP in the same VLAN?
If not, you may have a layer 2 issue, or an issue with IP configuration.

Hope that helps!