With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
portDuplex
port Duplex
1.3.6.1.4.1.9.5.1.4.1.1.10
duplex, full-duplex, disagree or auto negotiation mode. If the port could not agree with the far end on port duplex, the port will be in disagree(3) mode.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor portDuplex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.
