switchport voice vlan dot1p

From: toonsh dosh (toonsh@hotmail.com)
Date: Mon Jul 25 2005 - 03:00:01 GMT-3


Hi ,

Does anyone have a clear explanation as to what this command does exactly
how the voice traffic is sent and tagged ect.

From what I have read it appears as if the frame that comes from the phone
is tagged with a vlan header and within the tag the .1P bits are set with
the COS value for traffic assigned by the phone.
All traffic appears to use the default native vlan 1 .

If that is the case is there a concept of a seperate vlan for VOICE and
seperate vlan for data when using "switchport voice vlan dot1p", how does
the switch know what vlan to assign data too and what VLAN to assign VOICE
too.

Thanking you in advance for your assistance.



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