Multi WAN connection

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Richard Sun

• May 21, 2021 14:45

When you have multi WAN enabled does each application that is using the Internet have the potential to use either WAN connection on the same PC at the same time?  Or is all the traffic from one device, go through the same WAN connection (assuming no policy based route is set).  What protocol is happening in the background to do multi WAN?

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  Firewalla

  • May 21, 2021 15:30

  WAN load balancing will distribute the load on two WAN based on the weight you setup.  So one device may say 70% flows go to primary and 30% go to secondary.  (the distribution is flow based).

  more here https://help.firewalla.com/hc/en-us/articles/360051575473-Firewalla-Gold-Feature-Guide-Multi-WAN

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  Richard Sun

  • May 21, 2021 16:59

  I've read this before, but if I put what I read here in context to my question, it means that my one PC may have traffic to either WAN connection at the same time, etc. I set my Multi WAN to 50/50.

  Can you also tell me what is the protocol being used here to split the traffic?  I didn't get that from the URL.

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  Firewalla

  • May 21, 2021 18:47

  If you do a 50/50, the first flow will go to the primary WAN, the next will go to the secondary WAN.   The second flow from the PC will go to the secondary WAN, ... 

  The algorithm is pretty much just sending flows to the primary/secondary as above.  

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