The 3524 doesn't change any QoS markings, it simply prioritizes packets based on the observed COS values. So from the 6500's perspective, pretend it's not there for the purposes of QoS.
In your specific case, if the only device connected to the 3524 is the VG248, then you should be able to Trust-DSCP on the 6500 port connected to the 3524, since there would be nothing else contending for space.
However, assuming you have some other devices attached to the same 3524, the most comprehensive way to set QoS on the 6500 port is through a QoS ACL. This URL should get you started:
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...