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Suggestions for Tagging a management vlan over an ISIS/SPBM link.

Suggestions for Tagging a management vlan over an ISIS/SPBM link.

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ItsJaredKushner
New Contributor III

‎07-14-2026 01:42 PM

Hello!

I have a scenario that involves two UISP antennas that will be linking together a 5420 to a 5320. 

I'm able to establish adjacencies with no issues, but unfortunately the unifi p2p's do not include a separate physical management interface. 

Is there a way to tag a management vlan over an ISIS/SPBM interface? 

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Phil_
New Contributor III
In response to ItsJaredKushner

3 weeks ago - last edited 3 weeks ago

The solution would be to tag classic VLANs on that port: one VLAN for management of the antennas themselves and one VLAN for an IP transfer network for a L3 Fabric Extend connection. In theory, this should work. However, I haven´t tested it and it would be interesting to see if it works.

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Phil_
New Contributor III
In response to ItsJaredKushner

20 hours ago

Happy to help. 

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ItsJaredKushner
New Contributor III
In response to Phil_

Wednesday

At the moment, i did successfully get a L3 Fabric Extend connection - but only working over a direct wired connection. at this point I think the unifi antennas are the problem. I think I'll have to do a packet capture and compare the two traffic flows and see if anything is getting filtered over the p2p link. 

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GTM-P2G8KFN