LockedUsing 2 active WAN port

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barak
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2008/11/24 00:34:24 (permalink)
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Using 2 active WAN port

hi,

Would like to check is it possible to do this in Fortigate 100?

I' ve 2 6M DSL broadband line, currently 1 is attached to WAN1 to provide internet service for the company, and I would like to put the other broadband line to WAN2.

Is there anyway i can configure in Fortigate 100 to maximize the use of the internet bandwidth? example like combine the 2 WAN line to provide 12M bandwidth for the LAN users.

best regards,
lonlee
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    Selective
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    RE: Using 2 active WAN port 2008/11/24 01:46:19 (permalink)
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    Hi !

    You can only accomplish that with the use of let say bittorrent or a download manager. The problem is not the fortigate, but how TCP/IP works.

    lets say a user downloads a file from a FTP site,
    the fortigate uses WAN1 for its connection, and wan1 only have 6 mb, if you were to have a download manager then it could connect to the ftp site on wan2, and both connections could work together and take every other byte from the file, then you would receive 12 MB.

    however you can still use both wan connections, just set them up as usual, and be shure to give both static routes the same metric, dont forget to create firewall rules too =)
    < Message edited by selective -- 11/24/2008 1:49:06 AM >

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    #2
    barak
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    RE: Using 2 active WAN port 2008/12/01 00:20:20 (permalink)
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    Hi,

    So that' s means even if i have 2 WAN line connected, my LAN users will only able to enjoy 6M speed most of the time for during normal usage?

    They will not " feel" there is a significant increase of internet speed when this 2 lines is attached?

    thanks,
    lonlee

    #3
    barak
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    RE: Using 2 active WAN port 2008/12/15 15:31:55 (permalink)
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    How did you configure the two internet lines in the FortiGate Config?

    I was told the best way to use two lines, is to split the internet down the middle, and assign one half to wan1 and the other half to wan2.
    #4
    nsumner
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    RE: Using 2 active WAN port 2008/12/20 23:40:30 (permalink)
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    The Fortigate can do WAN balancing (although it seems to do a somewhat poor job of it).

    If you have 2 6mb connections your users would have 12mbs avaliable. BUT NOT ON A SINGLE TCP/IP connection.

    In other words let us say you have 25 users. They currently share 6mb. If you enable load balancing and add another 6mb line they will share 12mb. If however your problem is that say user a loves to download stuff and he takes up the entire 6 and wants to dl faster simply adding another line will not help him. If he is downloading multiple files simultaneously that will help him. As Selective points out using a DL manager in most cases will establish multiple connections for the DL and therefore can balance across multiple WAN lines.
    #5
    support@nustream.com
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    RE: Using 2 active WAN port 2008/12/23 18:55:12 (permalink)
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    The correct is Load Share, and not load balance.
    #6
    nsumner
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    RE: Using 2 active WAN port 2008/12/25 01:08:42 (permalink)
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    Umm there are no clear definitions of these terms. Most people I speak to call this Load Balancing.
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    support@nustream.com
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    RE: Using 2 active WAN port 2008/12/28 19:45:09 (permalink)
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    Load Balance is more complex.
    It take care on ,

    bandwidth, connections, weight etc
    When the link is at 100 % ( example) load balance begin send more traffic thru other link

    Load share

    only send traffics based on routes no matter what the link is at 100 % ( example) utilization i will continue sending trafiic thru a full utilization link
    #8
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