With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgspLinkCongestionOnset2
Cisco GSP Link Congestion Onset2
1.3.6.1.4.1.9.9.336.1.6.1.1.16
Threshold used to mark onset of congestion level 2.
Back to CISCO-ITP-GSP-MIB MIB page.
IPHost Network monitor allows you to monitor cgspLinkCongestionOnset2 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.