ISP Local Loop Issues: What They Are, What Causes Them, and How to Diagnose Them
Latency spikes that come and go. Packet loss that shows up for a few minutes, then disappears. None of it traces back to anything on your LAN, your firewall, or your switches because it isn't happening there. It's happening on the physical link between your building and your ISP's network: the local loop. This article covers what the ISP local loop is, what typically goes wrong with it, the most common root causes, and how to diagnose a local loop issue using traceroute data and Obkio Insights.