RANCID is a tool that oversees the configuration of routers and other devices, tracking both software and hardware details such as cards and serial numbers while utilizing version control systems like CVS, Subversion, or Git to keep a record of modifications. Additionally, RANCID incorporates looking glass software, which is derived from Ed Kern's original implementation that served http://nitrous.digex.net/, a site familiar to longtime users. The enhanced version of RANCID boasts added functionalities and compatibility with various devices, including Cisco, Juniper, and Foundry, employing the included login scripts to facilitate connections via telnet or SSH. Currently, RANCID is capable of managing a diverse array of hardware, which encompasses Allied Telesis switches running on AW+, Cisco and Juniper routers, Catalyst and Foundry switches (now under Brocade), Redback NASs, ADC EZT3 multiplexers, and HP Procurve switches, among many others. This wide-ranging support ensures that network administrators can rely on RANCID for effective configuration management across different platforms and devices.