1-1 1. 1 Loopback Detection Configuration. 1-1 1. 1 Loopback Detection Overview. 1-1 1. 2 Configuring Loopback Detection for Ethernet Port(s). 1-2 Chapter 2 Loopback Detection Configuration Commands. 2-1 2. 1 Loopback Detection Configuration Commands. 2-1 2. 1 loopback-detection control enable. 2-1 2. 2 loopback-detection enable. 2-2 2. 3 loopback-detection interface-list enable. 2-4 2. 4 loopback-detection interval-time. 2-5 2. 5 loopback-detection per-vlan enable. 2-5 2. 6 loopback-detection shutdown enable. 2-6 i H3C Loopback Detection Feature Manual Release 2107 Chapter 1 Loopback Detection Configuration Chapter 1 Loopback Detection Configuration Note: Two functions are added to release 2107: configuring loopback detection for a list of ports in bulk, and enabling auto-shutdown of loopback ports. 1 Loopback Detection Configuration 1. 1 Loopback Detection Overview Loopback detection is used to monitor if a port of a switch is looped back...