RANCID (Really Awesome New Cisco confIg Differ) is a pioneering network device configuration monitoring tool that has been maintaining version-controlled configuration backups since 1997.
| Year | Milestone |
|---|---|
| 1996 | 🚀 Initial Development - Created at Terrapin Communications, Inc. |
| 1997 | 📦 First Release - Copyright 1997-2022 by Henry Kilmer and John Heasley |
| 1999 | 📊 NANOG Presentation - Presented at NANOG 29 by creators |
| 2000s | 🌱 Wide Adoption - Became standard tool for network operations |
| 2006 | 🔄 Maintenance Transition - Continued development under Shrubbery Networks |
| 2010s | 🔧 Git Support - Added Git backend alongside CVS/Subversion |
| 2020s | 📈 Current Version - 3.14, maintained on GitHub |
RANCID was created to solve a critical operational need:
| Feature | Description |
|---|---|
| Automated Collection | Scheduled configuration downloads via SSH/Telnet |
| Version Control | All changes tracked in CVS/Git repository |
| Change Detection | Automatic diff generation and email notifications |
| Multi-Vendor | 20+ device types supported |
| Looking Glass | Built-in network diagnostic tools |
Oxidized (created 2013) is a modern RANCID replacement:
| Aspect | RANCID | Oxidized |
|---|---|---|
| Created | 1996-1997 | 2013 |
| Language | Perl, Shell | Ruby |
| Threading | Single-threaded | Multi-threaded |
| API | None | RESTful API |
| Device Support | ~20 types | 130+ types |
RANCID pioneered automated network configuration management and inspired a generation of tools: