Hello all, I was trying to create an additional VLAN Bridge to have a Voice Gateway that utilizes 2 VLANs. We already have an existing VLAN Bridge that handles all the data traffic with other ethernet ports attaching to switches. I was trying to move the Voice Gateway onto the Router as we want to move anything non-endpoint over. I tried to create a VLAN bridge labeled Voicegateway but could not get it to accept the 2 Voice VLANs into it.
I’m not sure I understand properly what you want to achieve. You can create multiple independent bridges on the same Mikrotik device and the VLAN IDs can overlap on them without conflicting (i.e. VLAN 3 on bridge A is totally unrelated to VLAN 3 on bridge B), but there are some limitations, and one of them is that only a single VLAN ID can be advertised as a “Voice VLAN” using LLDP (the MED extension) system-wide, i.e. you cannot specify a different Voice VLAN ID for each bridge. Is this the answer you were looking for or you actually need something else?
Basically, I have a currently VLAN Bridge that contains all VLAN on the router. However, my goal was to relocate our Voice Gateway onto one of the Router’s ethernet ports. We have 2 Voice VLANs are building 1 and building 2 were built with their own Voice subnets(This is the network I inherited). So, I wanted to create a new VLAN Bridge and add those two VLANs only to that port, but I was not having any luck at the time(Could be my mistake as it was a long day and I thought to do it near the end of the closet upgrade). I want to make sure I can do it before I drive out to the site to make that change.
So do you need that the Voice VLAN ID was advertised using LLDP-MED or not?
Sorry I should have clarified a bit better. When I say Voice VLANs they are nothing special just basic data VLANs. We don’t allow devices to connect through the phones. Coming from a Cisco background just found the Mikrotik method of setting up VLAN Bridges a bit odd as I am familiar with trunk ports.
OK, then the next question - why do you need the VLANs from each building to live on a different bridge? Do you need to keep the instances of spanning tree protocol isolated, or is the same VLAN IDs used in both buildings, but for a different subnet in each of them? Or, vice versa, are there overlapping subnets so you need to keep them separated?