Common Show commands for judging switch failures

1. View CPU, memory usage of the switch

   Show Process CPU

   Show Memeory Summary

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2. If CPU utilization is high, the switch may be forwarding broadcast storms or worm packets

   View utilization of all interfaces of the switch

   Show int counter, global view of the interface's traffic conditions (clear counter first clears stale data)

   Show int counter error, global view interface errors

3. Common parameter Descriptions

   Outdiscard,output drops: The switch generates a large amount of data forwarding to the output interface, which exceeds the output queue cache of the interface, generates this error, which is generally normal, can increase the output interface cache or bandwidth to resolve

Input error, CRC error: usually due to network cable or to the end of the device failure.

Common Show commands for judging switch failures