network-interface-health

Diagnose network interface CRC errors and drops by capturing baseline interface counters, waiting for a measurement interval, capturing again, and comparing increments to identify the fault source using common CLI commands.

Troubleshoot a duplex mismatch and interface flapping by applying deterministic diagnostics that compare show interface outputs on both ends of a link to confirm misconfigurations or faulty cables.

Check router and switch interface counters for congestion by analyzing end-to-end counter baselines and trends across physical links to determine if drops or errors indicate a fault source.

Yes, you can use common CLI commands to find the root cause of physical link problems by comparing baseline counters across routers, switches, and Linux hosts to isolate the faulty end of the link.

Identify a faulty cable from interface output errors by capturing baseline counters, waiting through a measurement interval, capturing again, and comparing the increments to pinpoint the physical fault source.

Compare interface counters on both ends of a link when symptoms indicate CRC errors, duplex mismatches, or congestion, requiring end-to-end counter analysis to determine the exact fault source.