1-4To do… Use the command… RemarksEnter system view system-view —Enter Ethernet port view interface interface-typeinterface-number —Enable the Ethernet port undo shutdownBy default, the port is enabled.Use the shutdown command todisable the port.Set the description of theEthernet port description text By default, no description is definedfor an Ethernet port.Set the duplex mode of theEthernet port duplex { auto | full | half } The port defaults to auto(autonegotiation) mode.Set the rate of the Ethernet port speed { 10 | 100 | 1000 |auto }By default, the speed of the port isset to auto mode.Set the MDI attribute of theEthernet portmdi { across | auto |normal }Be default, the MDI attribute of theport is set to auto mode.Allow jumbo frames that are notlarger than 4096 bytes to passthrough the Ethernet portjumboframe enableOptionalBy default, jumbo frames that arenot larger than 4096 bytes areallowed to pass through the port.z For a combo port, only after the optical interface has been configured with the shutdowncommand can the electrical interface be used, and vice versa.z The speed and mdi commands are not available on the combo port.z The mdi command is not available on the Ethernet ports of the expansion interface card.Configuring Port Auto-Negotiation SpeedYou can configure an auto-negotiation speed for a port by using the speed auto command.Take a 10/100/1000 Mbps port as an example.z If you expect that 10 Mbps is the only available auto-negotiation speed of the port, you just need toconfigure speed auto 10.z If you expect that 10 Mbps and 100 Mbps are the available auto-negotiation speeds of the port, youjust need to configure speed auto 10 100.z If you expect that 10 Mbps and 1000 Mbps are the available auto-negotiation speeds of the port,you just need to configure speed auto 10 1000.Follow these steps to configure auto-negotiation speeds for a port:To do… Use the command… RemarksEnter system view system-view —Enter Ethernet interface view interface interface-typeinterface-number —
