![]() (Optional) Specifies the histograms representing the last 60 minutes of interface utilization. (Optional) Specifies the histograms representing the last 60 seconds of interface utilization. (Optional) Specifies the histograms representing the last 60 seconds, the last 60 minutes, and the last 72 hours of interface utilization. The show interface history command allows a display of all 6 graphs or only a subset based on needs: Problems in the network can then be investigated and determined if they relate to an interface and the counter(s) that are being incremented at that time interval. ![]() This allows the Technical Assistance Center (TAC) to be able to look back in time at the interface(s) in question and see rates and counters. Separate graphs are maintained for input and output. ![]() As with CPU history, there are graphs for the last 60 seconds, last 60 minutes and last 72 hours. Along with the rate, the user can monitor the many/various interface counters. This history can be maintained as either packets per second (pps) or bit per second (bps). This, along with the new “show interface history” command, allows an interface to maintain utilization history in a graphical format similar to CPU history.
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