Re: switchport voice vlan

From: Dan Shechter (danshtr@yahoo.com)
Date: Tue Jul 06 2004 - 15:51:16 GMT-3


TiuN Hong Leng wrote:

>Hi,
>
>Yes thanks Dan, But why the document says it should be configured on
>access ports?
>
>
>
>>>
>>>
>>>
>>>
>>When connection to Cisco phone there is no need to configure manual
>>trunking.
>>The Cisco phone uses CDP for several purposes:
>>
>> * The switch can learn that it is connected to a Cisco phone
>> * The switch can tell the phone what VLan tag use for voice, or tell
>> the phone to use dot1p to "tag" voice frames
>>
>>So with Cisco phones no need to configure trunks.
>>
>>HTH,
>>Dan
>>
>>
>
>
>
>
>
I dont sure why, but I think it because it wants to signal the PC with
DTP that it's connected to access port and not try to form a trunk which
the phone wont be able to bridge.

You can configure it with out 'sw access' but I havn't tried it with a
phone, the switch will accpet the commands.



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