rancid ☆

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Description:
Really Awesome New Cisco confIg Differ

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: networking version-control automation audit backups

Install: brew install rancid

About:
Rancid is a network configuration monitoring tool that automatically logs into network devices via SSH or Telnet, retrieves their configurations, and stores them in a version control system. It detects and emails changes to device configurations, providing a detailed diff for review. This enables network administrators to maintain an audit trail and quickly identify unauthorized or erroneous changes.

Key Features:

Automated login and configuration backup for routers, switches, and firewalls
Version control integration (CVS, Subversion, Git) for change tracking
Email notifications with diffs for any configuration changes
Support for a wide range of network hardware vendors (Cisco, Juniper, HP, etc.)

Use Cases:

Auditing network configuration changes for security and compliance
Quickly restoring device configurations after a failure
Collaborative network management by tracking changes in version control

Alternatives:

Oxidized – Modern alternative written in Ruby; offers a web UI and supports more devices out of the box
Unimus – Commercial alternative with a GUI, backup scheduling, and mass configuration deployment

Version History

Detected	Version	Rev	Change	Commit
Sep 14, 2024 2:04am		0	VERSION_BUMP	36fb69a4
Dec 2, 2022 12:13pm		0	VERSION_BUMP	7b148caf