Networking — troubleshooting procedures

Industrial Ethernet, cabling, network segmentation, and diagnostics for shop-floor networks. Browse by topic.

3 published procedures.

• Network Loop & Broadcast Storm — Line Down

  You will be able to tell a broadcast storm apart from a dead device or a multicast problem in under two minutes, find the physical loop from the switch instead of by pulling cables, and configure RSTP, ring redundancy, and storm control so it cannot happen again.

• Intermittent Ethernet Dropouts — Prove It's the Physical Layer

  You'll be able to tell a duplex mismatch from a damaged cable from VFD noise using switch port error counters alone, then fix the one you actually have — without swapping hardware you don't need to swap.

• PROFINET — Device Not Reachable / Not Found

  You will be able to tell, in under five minutes, whether a missing PROFINET device is a cabling fault, a name mismatch, a duplicate name, or a topology problem — and fix each one without touching the IP address.