Wireless Access

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Occasional Contributor I

No DHCP Addresses for Clients using a "Tunneled" SSID

I am having issues with clients getting a DHCP address using a "Tunneled" SSID. If I "Bridge" this SSID, DHCP works fine. What would be causing this behavior on the controller to not pass DHCP packets? I can ping the ip address of the vlan on the controller from the DHCP server. The DHCP server is a Windows server and there is a layer3 switch doing the routing and acting as the default gateway. The controller is on the same subnet as the SSID network. I have the SSID network trunked on both the switch and the controller. The controller is running version 6.3.1.6.

 

Any help would be greatly appreciated.

 

Thank you in advance.

Re: No DHCP Addresses for Clients using a "Tunneled" SSID

The L3 switch is default gateway for the wireless network, right?

Are the IP helpers configured on your L3 SVI?

Is DHCP allowed in the client's role?

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Occasional Contributor I

Re: No DHCP Addresses for Clients using a "Tunneled" SSID

Yes, the default gateway for the wireless network is on the L3 switch.

Yes, the IP helpers are on the L3 switch. I can connect a laptop and receive ip addressing from the DHCP server without issue, so I know that connectivity is good.

For debugging purposes, I resorted to changing all the default roles on the profile to "authenticated" or "allow-all". Is there some other way to "allow" DHCP packets on the controller other than the roles I just listed and is that the same as the client role you asked about?

Appreciate the help.

Re: No DHCP Addresses for Clients using a "Tunneled" SSID

The authenticated role will work just fine for the default .1x role.

 

Can you confirm that the user is getting authenticated to the SSID?

Does the user show up in the user table?

Is the user being placed in the correct VLAN?

=======================================
If a reply adequately addresses your issue, please click on the "Accept as Solution" and "Give Kudos" button so this information can benefit other users.
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