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Tuesday, June 30, 2009 3:03 PM

Network Monitor Fields and Properties

Collected here are a list of the most common data fields and properties. They are categorized by protocol. This list is helpful for getting an idea of the most common data fields and properties with descriptions of what they do. The list will continue
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Thursday, April 30, 2009 10:48 PM

Top Users Expert for Network Monitor 3.3

One of the major new features in Network Monitor 3.3 is the ability to run experts directly from the UI. And now NMTopUsers is available from our Experts Portal . Plus as it's a CodePlex project, we have opened the source code as well. It's a fairly simple
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Wednesday, August 20, 2008 3:31 PM

Broadcasts

We can categorize traffic into two general types; directed and broadcast traffic. In the most general sense, a broadcast is sent to anybody that wants to listen. What I’d like to talk about is how broadcasts work and what they are used for. How broadcasts
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Wednesday, April 09, 2008 2:59 PM

Reassembly with NM3

Ever wonder how a network works? Maybe it just seemed so easy, and in your mind sending a file was just putting each byte on the wire to the receiving machine. That’s not too far from the truth but you’d be very selfish to think that the network was there
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Friday, December 21, 2007 3:37 PM

Understanding HTTP Flow with Netmon 3 - By Yuri Diogenes

1. Introduction One of the most common protocols that we need to deal with these days is the HTTP Protocol. This is not only a privilege of Internet users, there are a lot of Intranet users that also use this protocol for internal transactions. This post
Posted by PaulELong | 8 Comments
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Tuesday, November 06, 2007 2:56 PM

NM3 One Click Capture Tool - BETA

Wish you could get a network capture from a computer with no capture software installed? Wish you could have a network traffic "flight recorder" on a USB key? Here's your answer!" The motivation behind creating this tool was to provide an extremely simple
Posted by PaulELong | 1 Comments
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Thursday, August 16, 2007 2:41 PM

Trouble Shooting Name Resolution with NM3

Using the previous blog on “Intro to Name Resolution” we should have a basic idea of what is supposed to happen when a name needs to be resolved. Now let’s discuss how you’d use Network Monitor to determine where the problem is when connecting to your
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Friday, July 20, 2007 10:47 PM

Intro to Name Resolution

You sit down at your computer and attempt to connect to your network resource Du Jour (website/ server/application) and it just doesn’t want to work this morning. I’m sure this has happen to you more than a few times. And if you are a support or help
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Thursday, June 28, 2007 9:32 PM

Color Filtering Error Messages

Color Filters in Network Monitor are a simple way to make frames stick out in a trace. Dealing with large traces often makes it difficult to see important information. The sea of data represented by network traffic becomes a difficult backdrop to catch
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Friday, June 15, 2007 3:22 PM

Wireless Capturing With Network Monitor 3.1

One of the exciting new features in NM3.1 is the ability to capture wireless network data and management packets on Vista. This new feature provides Network Monitor a useful tool for trouble shooting wireless problems. What do you mean, wireless Management
Posted by PaulELong | 10 Comments
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Thursday, April 05, 2007 3:11 PM

Follow the Stream

This is not some existential trip or search for life's meaning. Rather this refers to a feature protocol analyzers use to narrow down traffic in a network trace. I mentioned this briefly in my Cable Talk Blog back on November 15 th , 2006. In fact you
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Thursday, March 01, 2007 5:26 PM

Using Columns and Properties

You might have had an occasion to add a new column in Network Monitor 3.0. But the list of available choices might be quite daunting. What you may not know, however, is that the list is derived from properties in the NPL script that makes up each parser.
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Friday, January 26, 2007 6:58 PM

Part 2: TCP Performance Expert and General Trouble Shooting

Performance issues are one of the more difficult problems to trouble shoot. Without a baseline, it's often hard to determine if something is really slower. But TCP does contain some built-in behavioral patterns that can be used as a signal to tell you
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Thursday, November 30, 2006 10:36 PM

Part 1: Poor Man’s Expert Using Excel – Top Users

One item we are evaluating for future versions of Network Monitor are experts. These are the tools that among other things, allow you to get a high level view of a problem. But using a simple new feature in the released version of NM3 will allow us to
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Wednesday, November 15, 2006 5:48 PM

Conversations in Network Monitor 3.0 – Cable Talk

Conversations for network protocols have been around for ages. But protocol analyzers have not been built to take advantage of them in the way NM3 does. Using the conversation tree and filters that reference conversations, make NM3 a powerful ally when
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