With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmlrInstSmdPpCounts
Cisco Multi-layer Routing Inst Smd Passport Counts
1.3.6.1.4.1.9.9.396.1.1.1.11
Count of message signal units with operation type ANSI-41 SMD-PP.
Back to CISCO-ITP-MLR-MIB MIB page.
IPHost Network monitor allows you to monitor cmlrInstSmdPpCounts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.