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I want to configure the ADSL router which connects 10+ machines to the internet. I want to give maximum priority to browsing (ports 80,443) and set low priority for bittorrent etc.(port 42180)

I have been experimenting with settings , but with no luck. There are three settings which confuse me, along with my understanding.

  1. 802.1 Priority - Related to LAN level, possible values 0-7 , higher numbers means higher priority.
  2. 'Mark traffic priority' - clueless about this.
  3. IPP/DS - IP Precedence - possible values 0-7 ; 6 & 7 are reserved, so set 5 for highest priority. Or when using DSCP - set 46 for highest priority.

Please help me in getting this done...

Similer question for another model of router here , but with less number of confusing options :) How to configure QoS on home router

Update: from discussion on another thread, QoS can control only upstream traffic (from router to the internet) , while this may in turn affect downstream traffic rate, there is no direct control over data coming into the router.

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Remember that you can only prioritise outgoing traffic. –  paradroid Apr 15 '11 at 12:00
    
i also had the same question in mind.it had 'upstream traffic' in that config page. Atleast can we control traffic inside the subnet, ie prioritizing the packets to/from some specific port, so that it makes a diffference? –  DBZ_A Apr 15 '11 at 14:20
    
Will flashing the router with DD-WRT or tomato help to make the desired changes? –  DBZ_A Apr 15 '11 at 14:28
    
I have not used DD-WRT very much. I use Tomato, as it is said that the QoS is easier to set up and works better than it does on DD-WRT. –  paradroid Apr 15 '11 at 14:30
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1 Answer

First of all by Qos you can only control outgoing trafic. My ADSL router Qos page starts something like below

enter image description here

As you can see you need to provide source IP address i.e your IP address to which a priority is set(P0 is highest).

Now if you want to add new rules to Qos it goes something like below

enter image description here

As you can see the minimum requirement for adding a rule entry to Qos is the source IP address. Of course you can provide other configs like dest port/IP or src IP and the corresponding priority.

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