With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
c2900PortDuplexStatus
Cisco 2900 Port Duplex Status
1.3.6.1.4.1.9.9.87.1.4.1.1.32
The status of duplex mode on this port. When linkbeat is not present, halfduplex is always reported. When linkbeat is present, the result of full duplex auto-negotiation is reported if c2900PortDuplexState is set to auto-negotiate, otherwise it reports fullduplex if c2900PortDuplexState is set to fullduplex or halfduplex if c2900PortDuplexState is set to halfduplex.
Back to CISCO-C2900-MIB MIB page.
IPHost Network monitor allows you to monitor c2900PortDuplexStatus 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.
