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[SM411]

Hi. I got a DIR-655 router, and i think it is a great router. But my internett connection is crap and i want to prioritize port 27015 when that is used. Because if my brother watch youtube or download a torrent when I'm playing cs source i got a latency >500ms. If i gave port 27015 70% of my connection when i used the port, i think that would fix the problem. Is that possible?

I think this can be fixed with QoS but i don't know why. I have tried to modify the settings but it doesn't help. Anyone that can help?

[EddieZ]

Start by telling us which machine is wireless and which is wired. No crystal ball here 

[SM411]

All are wired.

[EddieZ]

QoS is the only way to go, but you need to really differentiate in the priority setting. For example IP+port 27015=prio 1, IP+port 80=prio 32 and IP+port 119=prio 128.

The router does not implement real bandwidth throttling AFAIK.

[SM411]

What does the prio means? If i sett prio to 32, how much would that get in percent?

[EddieZ]

Prio=priority.
It's no bandwidth throttling that is measured in %. For that you need another brand of router (Vigor, Linksys with cusom firmware).
QoS will only give priority to certain ports on specific IP(-ranges) releative to other traffic on the router.

[SM411]

If there is a wireless, would that work too with QoS?

[EddieZ]

Yes, that would work. But again: it is no bandwistg throttling ot - management. QoS only prioritizes traffic from/to certain ports: http://en.wikipedia.org/wiki/Quality_of_service

[funchords]

If Eddie's advice doesn't work out, I suggest simply enabling the QOS ENGINE and enabling Automatic Classification.  Do not set any rules at first.  This will work correctly 99% of the time (in fact, the only time it probably won't work out is if you're uploading live video). 

A priority of 1 will starve out all other traffic when priority 1 traffic is present.  That's not healthy for networks.  If I do run rules, I stay away from 1 and 255 which should allow everything to live to some degree.  I wouldn't put web at 32, but I might put a FPS game at 32 as an experiment. 

You should consider all these relative to "128/255 - normal" during outgoing congestion so 64 probably is half as likely to drop or delay a packet than normal. 

You can see what streams are getting what priority using the Status / Internet Sessions screen in the router.  When you use Automatic Classification, you'll see that the priority floats based on the charactaristics of the traffic.

[ttmcmurry]

I had the same trouble with Half-Life 2 / Deathmatch / DoD and fixed it with QoS.  If funchords' suggestion doesn't work, here's some more advanced setup for you.

Log into your router and try these settings:
Go to Advanced -> QoS Engine

Make sure these are checked:
Enable Traffic Shaping
Automatic Uplink Speed
Enable QoS Engine
Automatic Classification
Dynamic Fragmentation

Then create a QoS Entry:
Name:  Half Life
Priority: 1
Protocol: UDP
Local IP Port Range:  192.168.0.1 to 192.168.0.254 ***
Remote IP Port Range:  0.0.0.0 to 255.255.255.255
Local Port Range:  27005 to 27015
Remote Port Range:  27005 to 27015

Make sure you put a checkmark in the box next to the entry, scroll up and click Save Settings.  You may be required to reboot the router.  Once this is complete, try firing up Half-Life and see how it works.

If you have a Digital Phone (VoIP / Vonage ), you may want a priority like what funchords suggested, 64.  A game of Half Life could prevent the phone from working properly.

*** if you have changed your local ip network from default, make sure to use that network instead

[SM411]

Thank you, all of you. Gona test if ttmcmurry's settings work later today.

[dnorf87]

I tried the above settings, and it made my ping so bad I kept getting kicked from my favorite server.

On my 4 year old linksys router, 60ms was normal. On this DIR-655, 120ms. Set the above settings, 150ms.

I'm about to return this and get another linksys.

[SM411]

The setting above didnt help when someone was watching youtube, or downloaded.

[ttmcmurry]

Youtube & Web downloading don't use port 27005-27015, they use port 80.  Therefore you wouldn't see any improvement if you followed my guide.  You asked about prioritizing port 27015 which is one of the ports that Valve games use (Half-Life, Half-Life 2, Half-Life 2 Deathmatch, Day of Defeat: Source, and so on). 

If you want to prioritize web traffic, then add a port 80 rule for all local computers (192.168.0.1-192.168.0.254) and all internet computers (0.0.0.0-255.255.255.255) and assign it a priority higher than 128. 

Keep in mind the more rules you set up the more complicated you make it to manage. 

[EddieZ]

Youtube & Web downloading don't use port 27005-27015, they use port 80.  Therefore you wouldn't see any improvement if you followed my guide.  You asked about prioritizing port 27015 which is one of the ports that Valve games use (Half-Life, Half-Life 2, Half-Life 2 Deathmatch, Day of Defeat: Source, and so on). 

If you want to prioritize web traffic, then add a port 80 rule for all local computers (192.168.0.1-192.168.0.254) and all internet computers (0.0.0.0-255.255.255.255) and assign it a priority higher than 128. 

Keep in mind the more rules you set up the more complicated you make it to manage. 

Test some settings, see how that works
For example port 27015=prio 1, IP+port 80=prio 192