Thursday, August 1, 2019

How to confirm that voice VLAN is working - Juniper EX3400

I've got IP phones with piggyback computers on them, and decided to try out the auto voice VLAN option on my Junipers. I have configured two phones with the settings but I'm not sure if they're actually using the voice VLAN. I can see that the port is configured and it shows that my data VLAN is untagged and voice vlan is forwarding and tagged, but is there a good way to confirm 100% that my voice traffic is actually going over the voice VLAN? I guess I could disable the voice VLAN on my phone system and see if the phones stop working, but that seems a little archaic.



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