Monday, August 24, 2020

Connecting Switch to Access Port with Voice Vlan Configured

Hello everyone,

Quick question. I know that Cisco access ports with voice vlans configured are technically trunks, but if I plugged in a switch to that port with the voice vlan tagged and the native vlan set to the data vlan, should it work?

For example, the access port is configured with voice vlan 3 and access vlan 2, while the switch trunk connected to that port is configured with tagged vlan 3 and native vlan 2.

It seems like it should work, but it doesn't work in my testing. Is there a specific reason why this doesn't work? Not looking at it from an implementation point of view, but to get a better understanding.



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