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QOS Setings for ADSL

Ruben
What are the best settings for a ADSL connection on the network interface for QOS

The ADSL is 1.5Mb down and 96Kbit UP

I want to shape that the SMTP relay won’t kill the line
And that the internal web server won’t kill the line.

thx
 


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  • 0
    First of all: Only outgoing traffic can be QoS. So also only outgoing email can be QoS.

    1) Enable QoS on the external interface.

    2) For "Link BW (kbits)" use a value lower than your real bandwidth. For example 94Kbit. This will prevent you from slowing down your downloads if upload bandwidth is fully used. (That's a normal behaviour if using ADSL).

    3) QoS Webserver:
    From (Client): Your Webserver
    To (Server): Any
    Service: Any (you can not set port 80, because outgoing traffic would be source port 80. But you can match on destination port only. So you have to use "Any")
    Weight: low
    Borrow: borrow

    4) SMTP-Relay:
    From (Client): External_Interface__
    To (Server): Any
    Service: SMTP
    Weight: low
    Borrow: borrow

    Cheers
    Xeno