RB750 VLAN passthrough

RouterOS Beginner Basics
1

I’d like to request some VLAN help. I’m new to RouterOS and newer to VLANs so please bear with me.

I’ve got VLAN aware devices on eth2-4 and a VLAN aware server on eth5. Native traffic passes just fine on these ports, the server being DHCP and routing for the entire network. But VLAN traffic doesn’t seem to get though. The server’s set up to accept VLAN20. AP2 on eth3 configured to use VLAN20 just sits on the native network as if there is no VLAN.

Via winbox, I’ve tried creating the VLAN on both interfaces (create a VLAN interface on eth3 and one on eth5 with VLANID=20) but can’t make that work. I’ve also tried using a bridge, but can’t make that work either. I can create the bridge and then move my VLAN interface to it, but assigning ethernet interfaces to the bridge just makes it reset. (winbox disconnects and after 10 seconds I can reconnect)

eth2 to AP1
eth3 to AP2
eth4 to AP3
eth5 to Server

I want VLAN10 to go from the server to AP1.
VLAN20 and 30 to AP2
VLAN40 to AP3

Can anyone point me in the right direction? I’ve been perusing the forums and the web at large, but I can’t seem to find what I need to make this fall into place.

2

to pass tagged vlan - Bridge em together.
To pass untagged, bridge vlan and ethernet port.

3

Thanks for your input.

I’ve discovered that my issue was not in the Routerboard or its configuration. Unfortunately the issue is that the individual who configured the network is an idiot. Even more unfortunate is that it was me. I did not properly understand the VLAN capabilities of my VLAN aware AP’s. Now that I do, they are working properly; passing through my Routerboard with no special configuration, as I originally expected.

4

Haha. I think we have all been there.

5

Lol thanks.

For clarification, samsung172 is 100% correct.

For simple VLAN passthrough, the VLAN ID in question needs to simply be in a bridge. Nothing else attached to it, just present. To pass through untagged VLAN stuff, it needs to be bridged to an ethernet port, just as he said.