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Does failover perform a round robin?

Routing and Multi WAN
failover multi wan
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  • Y
    yacud
    last edited by Jan 22, 2021, 9:50 AM

    Just wondering I have this scenario. I have 2 WAN and 1 LAN and configure for failover. Thus, failover do round-robin fashion?
    or only one WAN will be active and another one is just waiting for the other to be down before it will take over?

    1 Reply Last reply Reply Quote 0
    • R
      Rico LAYER 8 Rebel Alliance
      last edited by Jan 22, 2021, 1:37 PM

      Same tier = load balance
      lower tier = preferred in failover
      Check out https://docs.netgate.com/pfsense/en/latest/multiwan/load-balance-and-failover.html

      -Rico

      Y 1 Reply Last reply Jan 25, 2021, 3:18 AM Reply Quote 0
      • Y
        yacud @Rico
        last edited by Jan 25, 2021, 3:18 AM

        @rico thank you so much for the reply the only thing that somehow bugs me is this I configure it this way
        WAN 1 tier 1 10Mb
        WAN 2 tier 2 10Mb
        configured for failover
        would this mean or is this possible if Tier 1 bandwidth already consumed the 10Mb(max out) the other bandwidth will be consumed in Tier 2? even if the configuration is failover and not load balance?
        Or the failover automatically load balance?

        M 1 Reply Last reply Jan 27, 2021, 8:19 PM Reply Quote 0
        • M
          mmiller7 @yacud
          last edited by mmiller7 Jan 27, 2021, 8:24 PM Jan 27, 2021, 8:19 PM

          @yacud With failover and multiple tiers, it will use the Tier1 gateways until it meets the criteria of a failure (specified packet loss or latency).

          Then it will route all traffic on the Tier2 gateway until Tier1 gateway is back within acceptable limits.

          If you want to load balance you could set multiple gateways as Tier1 and it will split traffic between them, you can set a "weight" in the gateway options to have it balance the traffic unevenly (e.g. put 2x as much on WAN1 vs WAN2)

          As far as I know, there is no way for it to know what the maximum throughput of your link is - just trying to split it evenly if you want load balancing.

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