News — FEC
DAC Cable No Link? Fix 25G/100G FEC Mismatches (2026 Guide)
Why won't your 25G or 100G DAC cable link up? It's usually a FEC mismatch, not a bad cable. Here's how to diagnose and fix it across Cisco, Juniper, Arista, Ubiquiti, MikroTik, and Fortinet.