3Com Router 3000 Ethernet FamilyConfiguration Guide Chapter 3 Layer 2 Ethernet Port Configuration3Com Corporation3-43.2.3 Configuring Ethernet Port DescriptionTo distinguish a port from others, you may configure a port description for it.Perform the following configuration in Ethernet port view.Table 3-3 Configure port descriptionOperation CommandConfigure port description. description textRestore the defaut port description. undo descriptionThe default port description is port name plus interface.3.2.4 Setting the Duplex Mode of the Ethernet PortTo have a port receive packets while sending packets, set its duplex mode to full. Tohave the port only receive or send packets at a time, set its duplex mode to half. Toallow the port to negotiate duplex mode with the connected port, set its duplex mode tonegotiation.Perform the following configuration in Ethernet port view.Table 3-4 Set the duplex mode of the Ethernet portOperation CommandSet the duplex mode of the Ethernet port duplex { full | half | negotiation }Restore the default duplex mode of theEthernet port undo duplex3.2.5 Setting the Speed of the Ethernet PortYou may set the speed of an Ethernet port. In auto-negotiation mode, the portnegotiates its speed automatically with the connected port.Perform the following configuration in Ethernet port view.Table 3-5 Set the speed of the Ethernet portOperation CommandSet the speed of the Ethernet port speed { 10 | 100 | negotiation }Restore the defaut speed of the Ethernet port undo speedThe default port speed setting is negotiation.