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Taming Your Network's Bandwidth Hogs - Part 1 - pfSense - more, Testing

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pfSense - more

The next Wizard screen is Network Games, which can be used to raise the priority of various games (Figure 7). You don't set a bandwidth on this screen; just check off the games that you want to prioritize.

Traffic Shaping Wizard - Gaming
Click to enlarge image

Figure 7: Traffic Shaping Wizard - Gaming

The final Wizard Raise or Lower Other Applications screen is self descriptive (Figure 8). The larger image shows all the applications, each of which can have its priority simply raised or lowered.

Traffic Shaping Wizard - Other Applications
Click to enlarge image

Figure 8: Traffic Shaping Wizard - Other Applications

After you finish the Wizard, the rules and queues are created and you can go exploring to see how things were set up. If you muck things up, you just run the Wizard again; you'll find that it remembers your previous selections.

Important! Don't ignore this note on the final Traffic Shaper Wizard screen:

Also note that the traffic shaper is stateful meaning that only new connections will be shaped.
If this is an issue please reset the state table after loading the profile.


What this means is if someone is already running BitTorrent (or any other application that you are trying to control) and you create or modify a Traffic Shaper rule or queue, the new setting won't take effect until after that session has ended.

All you need to do to have the new Shaper settings take effect immediately is to visit the Diagnostics: Show States page, click the Reset States tab and click the Reset button. I didn't do this while trying out my BitTorrent filters and spent an hour or so wondering why my bandwidth limits were not taking effect!

Testing

To see whether pfSense really could crank down the bandwidth used by BitTorrent, I installed BitTorrent 6.1 on one of my systems, chose a Linux distro with plenty of seeds and started a download. You can see the bandwidth before and after I kicked in the P2P bandwidth shaping in Figure 9.

Traffic Shaping Wizard - Other Applications

Figure 9: Traffic Shaping Wizard - Other Applications

When I reset the States (and broke all the Torrents) it took awhile for the BitTorrent client to re-establish the downloads. This is reflected in the slow ramp back up to the new 100 Kbps download cap.




Related Items:

Taming Your Network's Bandwidth Hogs - Part 2
A Beginners Guide To Successful VOIP Over DSL - Part 2
Smart Switch How to - Part 3: Bandwidth Control
m0n0wall Firewall V1.0 - Part 2
Slideshow - Linksys RVS4000
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