Cisco IOS treats the Debug process as high-priority and it can consume significant amount of router resources thus extensive debugging in production networks is not encouraged. Using Debug commands information about traffic generated and received by the Router can also be viewed. They display information about various router processes and operations. To display the current state of the routing tableĪn output of Show ip interface brief command is also shown below, this command is frequently used to monitor the status of an Interface.Ĭisco IOS Debug Commands are used for troubleshooting purposes. To display the parameters and current state of the active routing protocol process To display the contents of the configuration stored in NVRAMĭisplays a summary of the usability status information for each interface To display the contents of the current running configuration file
To display information about the currently loaded software along with hardware and device information Table below displays the most commonly used Show commands and their purpose There are more sub-commands in each category, an output of show ip ospf ? shows different show commands that can be used to view various ospf statistics and parameters A brief output of show ? is shown in the picture below. To view all the available show commands in Cisco IOS press ? after show. Show commands are used for various purposes such as management, configuration verification and viewing statistics of various protocols and processes in Cisco IOS.
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