156 CHAPTER 16: P ORT CORRELATION CONFIGURATIONn ■ For network stability consideration, configure the interval for generating trafficstatistics to a value that is not shorter than the default.■ The storm constrain function is applicable to multicast packets and broadcastpackets on a port, and you can specify the upper and lower threshold for eachof the two types of packets.Maintaining andDisplaying anEthernet PortSpecify to send log when thetraffic detected exceeds theupper threshold or dropsdown below the lowerthreshold from a point higherthan the upper thresholdstorm-constrain enable log OptionalBy default, the system sendslog when the traffic detectedexceeds the upper threshold ordrops down below the lowerthreshold from a point higherthan the upper threshold.To do… Use the command… RemarksTo do… Use the command… RemarksDisplay the current state of aspecified port and relatedinformationdisplay interface [ interface-type[ interface-number ] ]Available in any viewDisplay a summary of a specifiedportdisplay brief interface[ interface-type[ interface-number ] ] [ | { begin |include | exclude} text ]Available in any viewClear the statistics on a specifiedportreset counters interface[ interface-type[ interface-number ] ]Available in user viewDisplay the current ports of aspecified typedisplay port { hybrid | trunk } Available in any viewDisplay the information about amanual port group or all the portgroupsdisplay port-group manual [ all| name port-group-name ]Available in any viewDisplay the information about theloopback functiondisplay loopback-detection Available in any view