With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swQinQRule8021p
Switch Qin Q Rule8021p
1.3.6.1.4.1.171.12.57.4.2.1.13
Specifies the packet's 802.1p priority. -1 means the 802.1p priority is not set
Back to Q-IN-Q-MIB MIB page.
IPHost Network monitor allows you to monitor swQinQRule8021p on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link switches right now.