brookemckim / throttle

Throttle bandwidth on OSX

Throttle

Uses ipfw on OSX to simulate slower connection speed.

Purpose

Throttle enables the simulation of a slower connection by allowing you to specify an exact bandwidth you would like to experience.

Usage

Prerequisites

• Mac OSX 10.5, 10.6, 10.7

Installation

gem install throttle

Getting Started

From the command line:

Start throttling

Limit traffic to 100 Kilobits per second

throttle limit 100Kbps

Current Status

List all current limits in place.

throttle status

Remove all limits

throttle reset

Bandwidth

Bandwidth must be specified in [Kilo/Mega][bits/Bytes]/s.

• 500Kbps - 500 Kilobits per second
• 1MBps - 1 Megabyte per second

IPFW doesn't allow bandwidth greater than 268 MBps.