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Protocol-based
1 Topic
Voice VLAN trinking M5300 to S3300 with Auto-VoIP
I just finished getting my VLAN trunking and Auto-VoIP working to a new S3300 switch from a trunked port out of my M5300, but I had a quite a time getting it to work. For the longest time, I could not get Auto-VoIP working on the S3300. The other untagged VLAN's I have passed easily to the S3300, but the only way I could get and IP on my Polycom phone on VLAN 2 was to untag a port on the S3300. I went back into the S3300 browser interface and reexamined the Auto-VoIP settings. I noticed that I had both the Protocol-based and OUI-based port settings for Auto-VoIP enabled, so I decided to DISABLE the Protocol-based Auto-VoIP, leaving only the OUI-based port settings at ENABLE. After I did this the Polycom phones started grabbing the 2 VLAN correctly and working! My question is, what is Protocol-based Auto-VoIP used for? I know that OUI-based puts the phone on the Voice VLAN based on their MAC address, but how does Protocol-based Auto-VoIP assign VLANS, and why did everything start working when I disabled the Protocol-based Auto-VoIP and only have the OUI-based Auto-VoIP enabled? TedWSolved4KViews0likes3Comments