With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
diffServDscpMarkActTable
Services Differentiated Services Services Dscp Mark Act Table
1.3.6.1.2.1.97.1.5.3
This table enumerates specific DSCPs used for marking or remarking the DSCP field of IP packets. The entries of this table may be referenced by a diffServActionSpecific attribute.
Back to DIFFSERV-MIB MIB page.
IPHost Network monitor allows you to monitor diffServDscpMarkActTable 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.