With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpsmPortBindLoginSwwn
Cisco Port Security Manager Port Bind Login Swwn
1.3.6.1.4.1.9.9.364.1.2.3.1.6
The sWWN of the device (if the device happens to be a switch), that was denied entry on one of the local device's ports. If the device is a switch, then the corresponding instances of cpsmPortBindLoginNwwn and cpsmPortBindLoginPwwn will contain zero-length strings.
Back to CISCO-PSM-MIB MIB page.
IPHost Network monitor allows you to monitor cpsmPortBindLoginSwwn on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.