With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgspLinksetDurationInService
Cisco GSP Linkset Duration In Service
1.3.6.1.4.1.9.9.336.1.5.1.1.12
Time linkset was providing service related to Q752/Table 4.2.
Back to CISCO-ITP-GSP-MIB MIB page.
IPHost Network monitor allows you to monitor cgspLinksetDurationInService on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.