1-9z Only S5100-EI Series Ethernet Switches support Port Group feature.z A port can not be added to a port group if it has been added to an aggregation group, and viceversa.Displaying and Maintaining Basic Port ConfigurationTo do... Use the command... RemarksDisplay port configurationinformationdisplay interface [ interface-type |interface-type interface-number ]Display the enable/disablestatus of port loopbackdetectiondisplay loopback-detectionDisplay information for aspecified port group display port-group group-idDisplay brief information aboutport configurationdisplay brief interface [ interface-type[ interface-number ] ] [ | { begin |include | exclude } regular-expression ]Display the Combo ports andthe correspondingoptical/electrical portsdisplay port comboDisplay port information abouta specified unit display unit unit-id interfaceAvailable in any viewClear port statisticsreset counters interface[ interface-type | interface-typeinterface-number ]Available in user viewAfter 802.1x is enabledon a port, clearing thestatistics on the portwill not work.