Maintaining DSCP setting on traffic going through 6509
I have IP phones that set the dscp value of voice packets to DSCP=46 (EF). As the voice traffic flows through the 6509 the DSCP marking is lost.
The configuration is attached.
The phone is in vlan 137 and that traffic arrives in the 6509 on port channel1. The traffic leaves over port channel40.
I have the same issue with traffic that arrives on interface Gi7/48 where I mark the incoming packet to DSCP EF using a policy map. When the traffic leaves over Port Channel40 again the DSCP setting is lost and set to zero.
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