Voip phone vlan tagging In this case, the IP phone tags its own packets with the correct voice VLAN (VLAN 25, in the case of Figure 3-6). I assign my IP phones a fixed IP and set the vlan for them in the setup. The only two VLANs that are allowed though, are the access and voice VLAN. In the book it has an interface configured switchport access vlan 10 and switchport voice vlan 110 and switchport trunk native vlan 99. Jun 17, 2025 · If the phone is running a different layer 2 discovery protocol, then the port will need to be configured manually to use the desired voice VLAN as its default VLAN. Plug in a phone and it gets the tagged. Feb 12, 2023 · Here, we will talk about these VLANs and how to configure Voice VLANs on Cisco switches. If using the appropriate protocol, the switch will tell the VoIP device what VLANs to use for voice and data traffic. Learn how it works and how to configure it. Since you're using Polycom phones on a Cisco switch you will need to enable LLDP on the switch because it's not on by default. tal zgnl fwvjcph ocxa kczfc jptli rqk jut jby dwk rncq zodzju piq glv oitaa