We are running a WISM-2 controller with software release 7.2.111.3 (which unfortunately i cannot upgrade right now). There are 290 Access Points connected to the controller with up to
670 current clients.
Almost every weekday for the last two weeks (during peek times mostly) we go the message "RX Multicast Queue Full" several times. When this happens we get a lot of syslog messages from the controller as well:
Local0.Warning -Traceback: 1018e840 10627490 1060b448 10931318 119cc460 11a3256c
Local0.Warning *dtlArpTask: Apr 22 11:45:35.528: %BCAST-4-Q_ADD_FAILED: bcast_net.c:3594 Broadcast/Multicast queue add failed.
Local0.Warning -Traceback: 1091bc28 1018e7ec 10627490 1060b448 10931318 119cc460 11a3256c
Local0.Warning *dtlArpTask: Apr 22 11:45:35.528: %OSAPI-4-MSGQ_SEND_FAILED: osapi_msgq.c:518 Failed to send a message to the message queue object: BCAST-Q . enqueue failed.
At the most we got about 100.000 syslog messages just from this on a single day.
Broadcast and multicast are both disabled on the controller and everything i have found in the forums and in the system message guides seem to indicate that there is no
negative impact on performance from this.
I would really like to find out which traffic exactly causes these messages but i have not found a good way (or any way at all really) to troubleshoot this yet.
Can anybody give me some pointers or should i contact Cisco TAC and open a case for this?
Thanks in advance for any help!
