Networking

Five free tools for network diagramming

Introduction

NOTE: If you'd prefer to view this information as a blog post, check out this entry in our Five Apps blog.

At some point, every administrator will need to diagram a network. For some, it's their primary duty -- and they tend to rely on powerful, expensive tools like Microsoft Visio. But for those who need to use a diagramming tool only occasionally, a cheaper solution is best. Luckily, there are several free apps that handle the task well.

Here are five tools that can help you diagram your network without breaking your budget. Some are Windows-only, while others are cross platform.

About

Jack Wallen is an award-winning writer for TechRepublic and Linux.com. He’s an avid promoter of open source and the voice of The Android Expert. For more news about Jack Wallen, visit his website getjackd.net.

7 comments
Regulus
Regulus

Jack, Thank you for providing a link for the Blog Version of this article. Some of us have a real hard time with Slide Shows. I have to pass them up completely, no matter how important the subject matter is to me. Thank You.

JCitizen
JCitizen

I've been needing something like this for some time! Wished I'd had it is cert school!

hondocrouch
hondocrouch

I've used THE DUDE for a about a year now and have been satisfied with it. Also, it is free. Network Mapping And Monitoring The Dude is a unique network monitor that incorporates an interactive map of your network layout, that helps you visualize the structure of your network and provides direct access to network functions specific to each item. It can automatically discover your local network and draw a preliminary layout that can be further customized and saved. You can manually add items, customize the icons and captions used for each device and connect nodes with lines and other drawing tools. The program supports various network monitoring tasks from simple ping checks to port probes and service checks. Other features include history logging, outage notifications (email, beep, popup, eventlog), SNMP support, map export to PDF or PNG as well as customizable interface layouts and more.

ursaminor1
ursaminor1

It doesn't have fancy icons or shapes, but it has 'connectors' so you can move objects around with the lines attached. I haven't used it much so maybe it's more capable than I know.

RobertFL
RobertFL

While I am no stranger to network admin, I will admit the networks I deal with most are much smaller than what a lot of people deal with. That said, the need for diagrams has never been critcial, but that does not mean someone should not have them, so for a person who has little to no experience creating them, what would be best to start with? Obvously ease of use or at least ease of figuring out would be most important for starting out, but also the ability to get everything needed. Fortuantly, the "everything needed" would be very basic items as they are not very complex. Thanks, Rob

JCitizen
JCitizen

this looks a WHOLE lot easier!!

orendon
orendon

I think Dia is very easy to use and learn. Many cisco and network objects, besides it is free and multi plataform. You can export, import, create objects, etc.