With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cseL2AddrLearnFailures
CISCO SWITCH ENGINE L2 Address Learn Failures
1.3.6.1.4.1.9.9.97.1.1.1.1.5
Number of MAC addresses failed to be learned because the L2 forwarding address table was full. If the value keeps increasing, the network topology should be reconfigured.
Back to CISCO-SWITCH-ENGINE-MIB MIB page.
IPHost Network monitor allows you to monitor cseL2AddrLearnFailures 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.
