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FRRouting Protocol Suite - Open Source Routing Software for Linux/Unix

The FRRouting Protocol Suite (FRR) is a free and open source internet routing protocol suite for Linux and Unix platforms. It implements BGP, IS-IS, LDP, OSPF, PIM, and RIP protocols.

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Added on 2025年6月6日
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FRRouting Protocol Suite - Open Source Routing Software for Linux/Unix preview
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Project Introduction

Summary

FRRouting (FRR) is a mature, community-driven, open-source software suite that provides implementations of various IP routing protocols. It serves as a flexible and powerful alternative to traditional hardware-based router operating systems for Linux and Unix-like systems.

Problem Solved

FRR solves the need for robust, production-grade, and open-source implementations of standard routing protocols, enabling developers, network engineers, and researchers to deploy routing on commodity hardware, virtual machines, or within applications without relying on proprietary software.

Core Features

Comprehensive Protocol Support

Supports a wide array of standard IP routing protocols (BGP, OSPF, IS-IS, RIP, PIM, LDP).

Modular Architecture

Highly modular daemon architecture, allowing users to run only the protocols they need.

Familiar CLI Interface

Provides command-line interfaces similar to commercial router CLIs for easy configuration.

Extensibility

Extensible and suitable for building custom routing solutions or integrating into network devices.

Tech Stack

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Linux Kernel (Networking Stack)
Autoconf/Automake
Libtool
Various protocol-specific libraries

使用场景

FRR is used in a variety of deployment scenarios, ranging from small lab environments to large-scale production networks.

Scenario 1: Building Software-Based Routers

Details

Deploying FRR on commodity servers or virtual machines to act as border gateways, route reflectors, or core routers.

User Value

Cost-effective alternative to proprietary hardware, increased flexibility and programmability.

Scenario 2: Network Protocol Testing and Simulation

Details

Utilizing FRR within network testbeds and lab environments to simulate complex routing scenarios and validate configurations.

User Value

Enables realistic testing of routing behavior and interoperability before production deployment.

Scenario 3: Embedded Networking and Integration

Details

Integrating FRR daemons or libraries into other networking software or hardware products.

User Value

Adds advanced routing capabilities to custom platforms or existing solutions.

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