With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoDlswDirNBLFSize
cisco Data Link Switching Directory NBLF Size
1.3.6.1.4.1.9.10.9.1.4.2.2.1.8
The largest size of the MAC INFO field (LLC header and data) that a circuit to the NB name can carry through this path.
Back to CISCO-DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoDlswDirNBLFSize on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.