9To do… Use the command… RemarksEnter system view system-view —Enter Ethernet interface view interface interface-typeinterface-number —Set the statistics polling interval onthe Ethernet interface flow-interval intervalOptionalThe default interface statisticspolling interval is 300 seconds.To display the interface statistics collected in the last polling interval, use the display interface command.To clear interface statistics, use the reset counters interface command.Configuring jumbo frame supportEthernet frames longer than the standard Ethernet frame size (1518 bytes) are called jumbo frames, whichare typical of file transfer.• If you set an Ethernet interface to accept jumbo frames, it allows frames up to 10240 bytes to passthrough.• If you disable an Ethernet interface to accept jumbo frames, it allows frames up to 1518 bytes topass through.You can execute the command in system view, and the configuration takes effect on all Layer 2 Ethernetinterfaces.Follow these steps to configure jumbo frame support in system view:To do… Use the command… RemarksEnter system view system-view —Configure jumbo frame support jumboframe enableOptionalBy default, an Ethernet interface acceptsjumbo frames (up to 10240 bytes).Enabling loopback detection on an Ethernet interfaceEnabling Single-Port Loopback Detection on an Ethernet InterfaceIf an interface receives a packet that it sent out, a loop occurs. Loops may cause broadcast storms. Thepurpose of loopback detection is to detect loops on an interface. When loopback detection is enabledon an Ethernet interface, the device periodically checks for loops on the interface. If a loop is detectedon the interface, depending on whether a protective action is configured, the switch takes the actionsin Table 1 to alleviate the impact of the loop condition.
