Give Me More Detail About the Interfaces
show interfaces: Multiline output per interface lists properties of the physical (hardware) interface, including MAC address and hardware MTU, and of the logical (unit or subinterface) interface, including protocol MTU configured protocol addresses. Use: Adds more detail when tracking down network problems.
show interfaces interface-name: Multiline output for a single physical interface. Shows both physical and logical interface information. Use: Narrows down output to a single interface of interest.
show interfaces detail, show interfaces detail interface-name, show interfaces extensive, and show interfaces extensive interface-name: Show increasingly more detailed information about all interfaces or about a specific interface. The detail version adds interface statistics, and the extensive version adds error counters. Output is long, so you generally specify an interface name. Use: Adds more detail when tracking down network problems.
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