Draytek 3300v dual wan load balancing  config - how to force an ip adress to use a particular wan

Posted on 2011-05-12
Last Modified: 2013-05-22
Hello where are using a Draytek 3300v router to offer high availability access to internet in our office.
We have 2 different  ISP, one by WIMAX the other with traditionnal ADSL.
The Wimax wan is defined in static mode, the ADSL in PPOe mode.

The load balancing run perfectly ;

However, for stability and latency performance we want to force the Asterisk server ( to use the ADSL access (wan2).

I imagine that I need to do an static route between the two but I don't know how !

I thank you in advance for your help.
Question by:aleq
    LVL 16

    Expert Comment

    Create one route as follows,

    Source ( (Secondary Default Gateway or ADSL-WAN2)-------Interface (Interface # of 3300v that is conencted to ADSL)-------Metric(20)------Prioriy(High)

    i want to add one thing that rule may vary, some devices use only gateway and no need to put number but some advance F/W and Routers require above type route.
    LVL 18

    Accepted Solution

    Hi Aleq,

    I'm familiar with Draytek 3300V's and in fact you don't need to setup a static route, as this will allow the device to know about a network which it would not know about; say across an IPSEC tunnel link.

    What you need to setup is a Load Balance Policy, via Network at the top menu.

    Here you would specify the following:

    Protocols - ALL
    Source IP / Mask: /
    Dest IP / Mask: LEAVE BLANK
    Network Interface: WAN2
    Strict Bind: TICKED

    I found a PDF which will help for further reading, though the menu's are of an older firmware:

    Best of luck!

    Author Closing Comment

    Thank you very much... it's excatly what i need !
    LVL 18

    Expert Comment

    Your welcome :)

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