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A very common task is to forward only a certain set of VLANs over a Wireless Point-to-Point (PtP) link. Since RouterOS v6.41 this This can be done using bridge VLAN filtering and should be used instead of any other methods (including bridging VLAN interfaces). Let's say we need to forward over a Wireless link to 2 different VLANs and all other VLAN IDs should be dropped. VLAN 10 is going to be our Internet traffic while VLAN 99 is going to be for our management traffic. Below you can find the network topology:
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All devices (R1, R2, AP, and ST) need a VLAN interface created in order to be able to access the device through the specific VLAN ID. For AP and ST create the VLAN interface on top of the bridge interface and assign an IP address to it:
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| Info |
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| For each type of setup, there are different requirements, for PtP links NV2 wireless protocol is commonly used. You can read more about NV2 on the NV2 Manual page. |
When links are set up, you can enable bridge VLAN filtering on AP and ST:
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| Warning |
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| Double-check the bridge VLAN table before enabling VLAN filtering. Misconfigured A misconfigured bridge VLAN table can lead to the device being inaccessible and a configuration reset might be required. |
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