From: Tomasz Szymański (tomasz.szymanski@trecom.pl)
Date: Sat May 29 2004 - 17:51:55 GMT-3
This answer is not really clear to me.
I would like to know if CoS is only in dot1p bits or if untagged
(without dot1p/dot1q hader) packets can have CoS assigned??????
Dan Shechter Gelles wrote:
>dot1p is a field in dot1q.
>no dot1p no CoS
>
>
>
>On Sat, 29 May 2004, Tomasz Szymanski wrote:
>
>
>
>>Hi all,
>>
>>I have the question about the difference in Ethernet frames (taged and
>>untagged).
>>
>>Where is the difference in CoS in untagged frame and dot1p priority in
>>tagged frame.
>>The question is about voice vlan and it's behaviour.
>>
>>I would like to know if the frames from the computer connected to the
>>IPPhone are tagged or not by the IP phone and how they are tagged.
>>
>>I would like to know what happens to the frames if I don't have trust on
>>the port and default CoS is set to 1. What happens to tagged and
>>untegged frame in this case?
>>
>>TS
>>
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>
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