agentDiffServClassRuleMatchCos2 1.3.6.1.4.1.4526.10.3.7.2.3.1.27

Three-bit user priority field in the second/inner 802.1Q tag header of a double VLAN tagged Ethernet frame used as a class-match parameter - only valid if the agentDiffServClassRuleMatchEntryType is set to cos2(15).