With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cnosPortDuplexStatus
Cisco Network Office Switch Port Duplex Status
1.3.6.1.4.1.9.10.43.1.3.1.1.4
The operating duplex mode of the switched port.
Back to CISCO-CNO-SWITCH-MIB MIB page.
IPHost Network monitor allows you to monitor cnosPortDuplexStatus on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.
