With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
srpRingCurMcastHighPriPktsOut
srp Ring Cur Mcast High Pri Packets Out
1.3.6.1.4.1.9.10.60.2.1.1.16
The counter associated with the number of high priority multicast packets going to the Physical medium dependent layer in the current 15 minute interval.
Back to CISCO-SRP-MIB MIB page.
IPHost Network monitor allows you to monitor srpRingCurMcastHighPriPktsOut 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.