With IPHost Network Monitor you can run simple snmp requests against a NETGEAR device in your network.
agentDiffServPolicyAttrStmtMarkCos2Val
agent Diff Server Policy Attr Stmt Mark Cos2 Val
1.3.6.1.4.1.4526.10.3.7.3.4.1.38
Three-bit user priority field value in the second/inner 802.1Q tag header of a double VLAN tagged Ethernet frame, marked as part of the inbound policy for a class instance. This attribute is only valid if the value of agentDiffServPolicyAttrStmtEntryType is set to markCos2Val(14).
Back to NETGEAR-QOS-DIFFSERV-PRIVATE-MIB MIB page.
IPHost Network monitor allows you to monitor agentDiffServPolicyAttrStmtMarkCos2Val on NETGEAR device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring NETGEAR switches right now.