With Message Integrity Check (MIC) enabled, the wireless clients are not able to get an IP address from a Dynamic Host Configuration Protocol (DHCP) server.
To address this problem, perform the following steps:
- Reset the unit to factory defaults, and use only one Wired Equivalent Privacy (WEP) key with MIC.
- Upgrade the Access Point (AP) firmware to the latest version.
Associated but cannot pass any traffic
WLAN adapters (wireless card) / ACU (Aironet Client Utility)