With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
qosDevicePepDomain
qos Device Pep Domain
1.3.6.1.4.1.9.18.2.1.2.2.1.2
The QoS domain that this device belongs to. This is configured locally on the device (perhaps by some management protocol such as SNMP). By default, it is the zero-length string.
Back to CISCO-QOS-PIB-MIB MIB page.
IPHost Network monitor allows you to monitor qosDevicePepDomain 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.