With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bsnExternalPolicyServerKey
bsn External Policy Server Key
1.3.6.1.4.1.14179.2.5.19.1.4
The authentication and encryption key shared between the client and this External Policy Server.
Back to AIRESPACE-WIRELESS-MIB MIB page.
IPHost Network monitor allows you to monitor bsnExternalPolicyServerKey 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.