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Issue with Mikrotik Bridging between ethernet interface and Vlan Interface

Posted on 2014-11-24
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Last Modified: 2014-11-30
I am using a Mikrotik Power router 732. I have a need to have interface 3 be an access port (no tagging). Then that be a L2 bridge to port 5 Vlan 97. Also want the Router to have L3 access to this bridge.

SO I created the Vlan interface, with the proper VLAN tag.
Created a bridge
Added both ether3 and Vlan interface to the bridge
Set an IP address (in proper subnet) and assigned to the bridge interface.

I can connect between the machine on the Vlan and the 732.
Neither can connect to the server that is behind ether3 (untagged)

If I turn off the bridge and assign the IP to ether3, then I can connect 732 to the other server.

I have looked at a number of online docs and all would lead me to believe that I am doing this correctly. Any idea what is wrong?
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Question by:jrdolan1054
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Accepted Solution

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Otto_N earned 400 total points
ID: 40464674
I know nothing about configuring Mikrotik devices, but based on an article on their wiki site, I would suggest the following set-up:
/interface vlan add name=vlan-97 vlan-id=97 interface=ether5 disabled=no
/ip address add address=<IP>/<Mask> interface=vlan-97
/interface bridge add name=br-vlan97 disabled=no
/interface bridge port add interface="vlan-97" bridge="br-vlan97" disabled=no
/interface bridge port add interface="ether3" bridge="br-vlan97" disabled=no

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The examples I found all assigned the IP address to the VLAN interface, not the Bridge.
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Author Comment

by:jrdolan1054
ID: 40464736
that is what I based my solution on. It is still not functioning properly.
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Assisted Solution

by:jrdolan1054
jrdolan1054 earned 0 total points
ID: 40464892
After much more testing I think I found the issue is not that it is not working, but that the device on the other end was broken (having issues with BPDU packets).
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Author Closing Comment

by:jrdolan1054
ID: 40472325
that is in fact the correct config.
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