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--- advanced-access [2022/01/26 18:44] – rs232
+++ advanced-access [2023/09/12 17:20] (current) – [LAN Access Notes] hogwild
@@ Line 1: / Line 1: @@
-===== LAN Access =====
+====== LAN Access ======
-This page allows you to define LAN to LAN traffic communication where otherwise blocked. Let's assume we have two LANs one primary (LAN0/br0) and one secondary (LAN1/br1), devices in LAN0 will be able to communicate with devices in LAN1 (and all the way around).
+This page allows you to define LAN-to-LAN traffic where it otherwise would be blocked.
+ \\
+For example, let's say we have two LANs, one primary (LAN0/br0) and one secondary (LAN1/br1).
+If you want devices on LAN0 to be able to communicate with devices on LAN1 (and vice versa), you might use these settings:
+ \\
+{{:pasted:20220126-183839.png}}\\   \\
+**On:** Checking this enables the rule defined on this row of the table.
+**Src:** This displays/allows you to configure the (Logical) Source LAN for the rule on that row of the table.
+**Src Address:** This (optional) field narrows the rule to a specific IP address or set of addresses within the Src interface.
+**Dst:** Here, you specify the (logical) Destination LAN for the rule on this row of the table.
+**Dst Address: **(optional) narrows the rule to a specific IP address or set of addresses within the Dst interface.
+**Description:** This is a free text field in which to enter whatever you wish as a reminder, note etcetera.
+ \\
+\\
+===== LAN Access Notes =====
+Regardless of LAN Access rules, by default a LANx device is able to reach (e.g. ping) all the router's LAN interfaces (only). This is by design.
+All entries in LAN Access are one-way only. \\
+For example, if you want hosts on LAN0 to be able to communicate with hosts on LAN1,
+and hosts on LAN1 to be able to communicate with hosts on LAN0, you will need to have two entries in the table to achieve that.
+LAN Access is an IP-level access control. \\
+This means that **all ports/protocols are automatically enabled**. If additional fine tuning is required (for example, you wanted to allow only allow port 80/TCP) you will need to manually configure settings instead.
+ \\
+ \\
-{{:pasted:20220126-183839.png}}\\
-**On**: Makes the defined rule active.\\
-**Src**: Source logical LAN for the rule.\\
-**Src Address**: (optional) narrows down the rule to a specific IP or set of within the Src interface.\\
-**Dst**: Destination logical LAN for the rule.\\
-**Dst Address**: (optional) narrows down the rile to a specific IP or set of within the Dst interface.\\
-**Description**: Free text field.\\
-Please note: regardless of the LAN Access rules, by default a LANx device is able to reach (e.g. ping) all the router's LAN interface (only). This is by design.

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