1-4To do… Use the command… RemarksEnable debugging for aspecified moduledebugging { all [ timeouttime ] | module-name [ option ] }RequiredDisabled by defaultAvailable in user viewDisplay the enabled debuggingfunctionsdisplay debugging [ interfaceinterface-typeinterface-number ][ module-name ]OptionalAvailable in any viewz The debugging commands are usually used by administrators in diagnosing network failure.z Output of the debugging information may reduce system efficiency, especially during execution ofthe debugging all command.z After completing the debugging, you are recommended to use the undo debugging all commandto disable all the debugging functions.z You must configure the debugging, terminal debugging and terminal monitor commands firstto display the detailed debugging information on the terminal. For the detailed description on theterminal debugging and terminal monitor commands, refer to Information Center Commands inthe System Volume.System Maintaining ExampleNetwork requirementsz The IP address of the destination device is 10.1.1.4.z Display the Layer 3 devices involved while packets are forwarded from the source device to thedestination device.Configuration procedure tracert 10.1.1.4traceroute to 10.1.1.4 (10.1.1.4) 30 hops max, 40 bytes packet1 128.3.112.1 19 ms 19 ms 0 ms2 128.32.216.1 39 ms 39 ms 19 ms3 128.32.136.23 39 ms 40 ms 39 ms4 128.32.168.22 39 ms 39 ms 39 ms5 128.32.197.4 40 ms 59 ms 59 ms6 131.119.2.5 59 ms 59 ms 59 ms7 129.140.70.13 99 ms 99 ms 80 ms8 129.140.71.6 139 ms 239 ms 319 ms9 129.140.81.7 220 ms 199 ms 199 ms10 10.1.1.4 239 ms 239 ms 239 msThe above output shows that nine Layer 3 devices are used from the source to the destination device.