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--- basic-network [2024/02/21 16:06] – [WAN(x) Settings] -clarity, condense Load Balance Weight settings hogwild
+++ basic-network [2024/02/21 17:54] (current) – [WAN(x) Settings] -clarify Load Balance Weight and add OOO explanation hogwild
@@ Line 99: / Line 99: @@
 {{:pasted:20240219-103900.png}}\\  \\
-When configuring a router in a MultiWAN configuration, the MultiWAN function performs load sharing of the links. Load sharing is performed on a per-session basis to prevent issues with interactive traffic, such as real-time voice/video, or RDP. Setting the Load Balance Weight on each interface adjusts how that interface will participate in MultiWAN activities. Below are some examples.\\  \\ Load Balance Weight: 0  (Failover)\\ If 0 is used, FreshTomato will not actively route traffic if other WAN interfaces are functional. However, the WAN connection with weight "0" will be automatically enabled if there is a failure of all other WAN interfaces with a weight or 1 or more. This is commonly used in "failover" scenarios. When an interface with weight "0" is is automatically enabled, it will be assigned a weight of 1.
+When configuring a router in a MultiWAN configuration, the MultiWAN function performs load sharing of the links. Load sharing is performed on a per-session basis to prevent issues with interactive traffic, such as real-time voice/video, or RDP. The reason for this is that your links might have different speeds and per-packet load-sharing would generate OOO (Out-of-order) packets, which could make interactive traffic pretty much unusable. Setting a Load Balance Weight on each interface adjusts how that interface will participate in MultiWAN activities. Below are some examples.\\  \\ Load Balance Weight: 0  (Failover)\\ If 0 is used, FreshTomato will not actively route traffic if other WAN interfaces are functional. However, the WAN connection with weight "0" will be automatically enabled if there is a failure of all other WAN interfaces with a weight or 1 or more. This is commonly used in "failover" scenarios. When an interface with weight "0" is is automatically enabled, it will be assigned a weight of 1.
 For example:
@@ Line 109: / Line 109: @@
 WAN1="weight 1"
-At some point, WAN1 fails. As soon as this failure is noticed, WAN0 will activate (assigned with weight 1) and begin routing packets. Later, WAN1 recovers its connectivity. As soon as FreshTomato recognizes this, (within seconds or minutes), WAN0 will be set back to idle status while traffic is rerouted through the revived WAN1. This process of recovering back to the originally active interface is called //preempting//.** **Preempting is FreshTomato's default (and fixed) behavior.\\  \\ Load Balance Weight: 1\\ Any value higher than "0" causes an interface to actively route packets. Weights are relative, so a weight of "1" doesn't mean much. Each weight is compared to the Load Balance Weights of other Interfaces to direct functionality. If WAN0="weight 0" and WAN1="weight 1", that means WAN1 is handling 100% of the traffic.\\  \\ Load Balance Weight: 5\\ An interface set with, for example, weight 5, would essentially handle 5 new sessions before any other interface is to be used.\\  \\ For example, say we have 3 WANs, as follows:\\  \\  WAN0 = weight 0\\  WAN1 = weight 1\\  WAN2 = weight 5\\  \\ In this case, WAN0 will be used only if both WAN1 and WAN2 are both in a failed state, and are unable to route packets. WAN1 will handle the very first new LAN client session going through the router. WAN2 is set to handle the second, third, fourth, fifth and sixth sessions. The seventh new session starts again from WAN1, as it would be treated as a another first new LAN client session. WAN2 will then handle the next five new sessions, meaning the eighth, ninth, tenth eleventh and twelfth sessions.\\   \\ One final point about MultiWAN load sharing: **These settings only affect outbound traffic**. Return traffic will always try to return to the WAN interface from which it originated. As the allocation of new session to a WAN is dynamic, you could control what traffic gets allocated to which Interface (a.k.a. sticky connection) via the [[advanced-pbr|MultiWAN routing]] configuration page.
+At some point, WAN1 fails. As soon as this failure is noticed, WAN0 will activate (assigned with weight 1) and begin routing packets. Later, WAN1 recovers its connectivity. As soon as FreshTomato recognizes this, (within seconds or minutes), WAN0 will be set back to idle status while traffic is rerouted through the revived WAN1. This process of recovering back to the originally active interface is called //preempting//.** **FreshTomato uses Preempting as its default (and fixed) behavior.\\  \\ Load Balance Weight: 1\\ Any value higher than "0" causes an interface to actively route packets. Weights are relative, so a weight of "1" doesn't mean much. Each weight is compared to the Load Balance Weights of other Interfaces to direct functionality. One way of understanding this is to remember: "1=100% and 0=0%". Thus, if WAN0=“weight 0” and WAN1=“weight 1”, that would mean WAN1 is handling 100% of the traffic.\\  \\ Load Balance Weight: 5\\ An interface set with, for example, weight 5, would essentially handle 5 new sessions before any other interface is to be used.\\  \\ For example, say we have 3 WANs, as follows:\\  \\  WAN0 = weight 0\\  WAN1 = weight 1\\  WAN2 = weight 5\\  \\ In this case, WAN0 will be used only if both WAN1 and WAN2 are both in a failed state, and are unable to route packets. WAN1 will handle the very first new LAN client session going through the router. WAN2 is set to handle the second, third, fourth, fifth and sixth sessions. The seventh new session starts again from WAN1, as it would be treated as a another first new LAN client session. WAN2 will then handle the next five new sessions, meaning the eighth, ninth, tenth eleventh and twelfth sessions.\\   \\ One final point about MultiWAN load sharing: **These settings only affect outbound traffic**. Return traffic will always try to return to the WAN interface from which it originated. As the allocation of new session to a WAN is dynamic, you could control what traffic gets allocated to which Interface (a.k.a. sticky connection) via the [[advanced-pbr|MultiWAN routing]] configuration page.
  \\
@@ Line 405: / Line 405: @@
     * This is usually only for advanced users. \\ \\
-**Shared Key:**  Here, enter the shared key to authenticate WiFi clients on the LAN. The field shows asterisks until you click your cursor in it. \\ \\
+**Shared Key:**  Here, enter the shared key to authenticate WiFi clients on the LAN. Asterisks are shown until you insert your cursor. \\ \\
-**Group Key Renewal:**  This sets how often encryption keys are used between clients and the router/AP are rotated/changed. \\ This is a part of the WPA protocol. (Default: 3600 seconds = 1 hour).
+**Group Key Renewal:**  This sets how often encryption keys used between clients and the router are rotated/changed. \\ This is a part of the WPA protocol. (Default: 3600 seconds = 1 hour).
-Starting with release 2023.5 and newer the user can adjust rotation interval within the following limits: \\
+Starting with release 2023.5, you can adjust the key rotation interval within the following limits:\\ From 1 sec to 2592000 sec   [for all ARM routers and MIPS RT-N / MIPS-RT-AC] \\ 0 = disabled   (not recommended)
-sec up to 2592000 sec [for mips RT-N / mips-RT-AC and all ARM routers] \\
-=> disabled (not recommended)
-Releases up to 2023.4 can adjust this value within the following limits:
-sec up to 7200 sec [all routers]
+In releases up to 2023.4, you can set this within the following limits: 60 sec to 7200 sec [all routers]

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