No DHCP via Trunk Port for FlexConnect APs

[Scott Gillies]

Hi

Simple setup: Access Switch connected to a 1941 router. DHCP server for APs is configured on the router. Installed 2 new 2702 APs on Access switch (following the same configuration at 1000 + other sites).

APs sit on trunk ports with 2 VLANs, one being the native where the AP should get its IP address from. Both VLANs are allowed over the switch trunk to the router and all config on the router seams correct.

The APs get no DHCP when the APs Port is a Trunk BUT when converted back to Access ports DHCP is ok APs connect to WLC and start to download their firmware.

Thoughts on what the issue may be?

[David Watkins]

Can you post the output of your ports "run-config" and also, with AP booted up, can you post a "show mac address-table interface x/x/x"?

It would also be helpful to capture the console output of an AP booting up and post that information as well.

Thanks!

[Sebastian Helmer]

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