Incoming traffic on unconfigured vlans

RouterOS General
1

Incoming traffic on unconfigured VLANs

Hello, i have 2 mikrotik switches in mlag to which a router in lacp is connected. On both switches the lacp port is bridged with different vlans tagged. I find on the router the traffic in rx that I see through the flashlight is traffic coming from the vlans tagged on the switch. in tx the value is always 0. how is it possible that it has rx traffic on some vlan that is not even configured on the router? we are talking about a device without any configuration, no bridge.. just a lacp towards the two switches…

2

If I understand what you are asking, the router has no control of what is sent to it. If the connected device is sending traffic on VLAN 100, but the router does not have VLAN 100 configured, that traffic will still arrive at the router. Of course the router will not be sending traffic out on VLAN 100 because it’s not configured.

In other words, if I am understanding what you are asking, the router is behaving as expected.