From: Chris Lewis (chrlewiscsco@gmail.com)
Date: Mon Jun 05 2006 - 21:37:05 ART
Tony,
The trust state defines which value will be copied in to the internal DSCP,
therefore it only makes sense to allow onw option for that command.
Cisco IP phones mark both the COS in the L2 header and the DSCP in the layer
3 header.
Chris
On 6/5/06, Tony Paterra <apaterra@gmail.com> wrote:
>
> When playing with this command on a 3550, I noticed that it only
> allows you to trust cos OR dscp OR ip prec OR a device. Why would it
> not allow for trusting multiple markings? Am I missing something
> fundamental here?
>
> If you have an endpoint, say a video stream or RTP conversation. What
> is the common practice for marking packets? Would say for instance a
> 7960 phone mark the COS bits in the 802.1p header as well as the TOS
> byte in the L3 header?
>
> Thanks in advance,
> --
> Tony Paterra
> apaterra@gmail.com
>
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