With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
zoneEnforcedZoneActivateTime
zone Enforced Zone Activate Time
1.3.6.1.4.1.9.9.294.1.1.15.1.4
The sysUpTime at which this entry was most recently activated. If this entry has been activated prior to the last re-initialization of the local network management system, then this object will contain a zero value.
Back to CISCO-ZS-MIB MIB page.
IPHost Network monitor allows you to monitor zoneEnforcedZoneActivateTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.