With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
xmtPortFramesBECN
xmt Port Frames BECN
1.3.6.1.4.1.351.110.5.1.1.2.1.1.1.23
The number of frames transmitted with BECN bit already set.
Back to CISCO-WAN-FR-PORT-MIB MIB page.
IPHost Network monitor allows you to monitor xmtPortFramesBECN 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.