With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cspPskcIssuerName
csp Pskc Issuer Name
1.3.6.1.4.1.9.9.370.1.4.1.1.11
The issuer name of the certificate assigned to the proxy service. If the issuer name of the certificate is not known, this will be a NULL string.
Back to CISCO-SSL-PROXY-MIB MIB page.
IPHost Network monitor allows you to monitor cspPskcIssuerName 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.