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The "date time [ERROR] spam_lrad.c 4451: LWAPP Join-Request AUTH_STRING_PAYLOAD, invalid BRIDGE key hash AP 00:00:00:00:00:00" error message appears when attempts are made to authenticate the Mesh AP 1500 and the WLC
The MAC address of the bridge is not added to the MAC filter list. When this issue occurs the date time [ERROR] spam_lrad.c 4451: LWAPP Join-Request AUTH_STRING_PAYLOAD, invalid BRIDGE key hash AP 00:00:00:00:00:00 error message appears.
Add the MAC address of the bridge to the MAC filter list. In order to do this, choose Security > Mac Filter. With the invalid BRIDGE key hash error, set the bridge shared secret back to the default through the GUI, or use the config network bridged-shared-secret command in order to clear this error in addition to the config network allow-old-bridge-aps disable command line interface (CLI) command. None of these commands affect the other access points (APs) in the network, if present. Also, if no bridge key is entered, or is the bridge MAC addresses in either the MAC filter or AP authorization list, this configuration does not work.
Add the Access Point MAC Addresses to the Controller Filter List
Before the APs are activated, ensure that the access point MAC address is added to the controller MAC filter list. In order to view the MAC addresses that are added to the controller MAC filter list, use the controller CLI or the controller GUI:
Use the show macfilter summary controller CLI command in order to use the controller CLI to view the MAC addresses that are added to the controller filter list.
Log into the Secure HTTP (HTTPS) web interface of the controller from a web browser, and choose Security > MAC Filters in order to use the controller GUI to view the MAC addresses that are added to the controller filter list.