The loopback interface, since it is a virtual interface, is always operating, which allows stable router operation regardless of the status of the physical interfaces connecting to it.

i am building a fedora box and i am trying to work through how to setup virtual interfaces that i stack on the loopback. i use haproxy and want to have the frontend VIPs leverage loopback, such as ...

Use the Loopback Orchestration tab to create a pool of loopback addresses from which Orchestrator can automatically create loopback interfaces. Real-time Performance Monitoring Best Practices ...

My computer is freezing during boot at the 'bringing up loopback interface'. I am dual-booting with XP and RH8.0 on a Sony Vaio 650 notebook. I partitioned the drive using Partition Magic 7.0, but ...