With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ctxErrorHistoryLastIndex
ctx Error History Last Index
1.3.6.1.4.1.9.9.758.1.4.3
This object specifies the value of the ctxErrorIndex object corresponding to the last entry added into the table. The management entity can use this object to determine if a new entry has been added into the ctxErrorHistoryTable.
Back to CISCO-TELEPRESENCE-EXCHANGE-SYSTEM-MIB MIB page.
IPHost Network monitor allows you to monitor ctxErrorHistoryLastIndex 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.