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Troubleshooting FCS and RX Errors: What They Mean and How to Fix Them on Your Network Gear

  • Post author j2sw
  • Post date July 9, 2025

If you’ve ever dug into the interface stats on a router or switch and seen a growing count of FCS errors or RX errors, you’re likely wondering: what do these mean—and should I be worried? The short answer: yes, you …

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