From: wangstone373 (wangstone373@hotmail.com)
Date: Sun Dec 21 2003 - 22:04:08 GMT-3
As I know, DSCP use first 6 bits of TOS where Pre use first 3 bits.
I think if router support DSCP, it is no need to change to COS.
----- Original Message -----
From: "William Chen" <kwchen@netvigator.com>
To: <ccielab@groupstudy.com>
Sent: Sunday, December 21, 2003 3:17 PM
Subject: Catalyst 3550 QoS
> Dear all,
>
> The Catalyst 3550's Classification will result an internal DSCP. Will
> this DSCP be actually marked in the packets or just for internal use only?
> How about the COS value after DSCP-to-COS map applied, will it be internal
> use only to select the output queue or will actually marked in the tagged
> frames. I think DocCD don't clearly states it.
>
> Best Regards,
> William Chen
>
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