Operation Manual – Ethernet PortH3C S9500 Series Routing Switches Chapter 1 Ethernet Port Configuration1-3To do … Use the command …Set duplex attribute for the Ethernet port duplex { auto | full | half }Restore the default duplex attribute of theEthernet port undo duplex10/100 Mbps electrical Ethernet ports can operate in full-duplex, half-duplex orauto-negotiation mode, so can a 10/100/1,000 Mbps electrical Ethernet port. However,when the port rate is set to 1,000 Mbps or auto, the duplex mode of the port can only beset to full (full duplex) or auto (auto-negotiation). A 100 Mbps/1,000 Mbps opticalEthernet port operates in full duplex mode even if it is configured to operate in theauto-negotiation mode. A 10 Gbps optical Ethernet port can only operate in full duplexmode.The duplex mode of Ethernet ports defaults to auto (auto-negotiation).Caution:z For ports coupled with photoelectric transducers, set the duplex mode toauto-negotiation mode. Otherwise, the status check for the port may be abnormal.z Only the GP48 interface board offers 100/1000 Mbps optical ports. By default, suchan optical port operates at 1000 Mbps in full-duplex mode. If its rate is configured as100 Mbps, you are recommended to configure it to operate in full-duplex mode.Otherwise, the auto-negotiation information of the port will be wrong.z Only the GP48 interface board supports speed (10/100/1000 Mbps) and duplexmode auto-negotiation for photoelectric transceiver modules. For the function towork, you must ensure that the modules are 1000_BASE_T photoelectrictransceiver modules certified by H3C.1.2.5 Setting Speed on the Ethernet PortYou can use the following command to set the speed on the Ethernet port. If the speedis set to auto-negotiation mode, the local and peer ports will automatically negotiate theport speed.Perform the following configuration in Ethernet port view.
