Cisco ME 1200 Series Carrier Ethernet Access Device Web Interface User Guide, Cisco IOS 15.6(1)SN and Later Releases - Configuring Ports [Cisco ME 1200 Series Carrier Ethernet Access Devices] - Cisco
Configure Switch Ports (2.1.2) > Cisco Networking Academy's Introduction to Basic Switching Concepts and Configuration | Cisco Press
What is the default duplex setting on the Catalyst 1900 10Mbps port and 100Mbps port? - Cisco Community
cisco - Why is the link between my switch and my router always negotiating half-duplex mode? - Server Fault
how to fix duplex mismatch error cisco Archives » NetworkUstad
Setting the Duplex and Speed on a Cisco Switch - From our Free Tutorial website - YouTube