RANCID (Really Awesome New Cisco Config Differ) is a network management application released under a BSD-style license. RANCID uses Expect to connect to the routers, send some commands and put the results in files.
Software which utilises RANCID-collected configs
LibreNMS Observium OpenNMS
See also
Network management system (NMS) Console Server Router Switch
References
Shrubbery Networks, Inc. RANCID
External links Website of RANCID: RANCID - Really Awesome New Cisco confIg Differ Joe Abley and Stephen Stuart: Internet Software Consortium Peter Harrison: Network Device Backups with Rancid at linuxhomenetworking.com