Lenovo RackSwitch G8264 Application Manual page 244

4. Enable DSCP re‐marking globally.
5. Assign the DSCP re‐mark value.
6. Assign strict priority to VoIP COS queue.
7. Map priority value to COS queue for non‐VoIP traffic.
8. Assign weight to the non‐VoIP COS queue.
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G8264 Application Guide for ENOS 8.4
RS G8264(config)# qos dscp re­marking
RS G8264(config)# qos dscp dscp­mapping 40 9
RS G8264(config)# qos dscp dscp­mapping 46 9
RS G8264(config)# qos transmit­queue weight­cos 7 0
RS G8264(config)# qos transmit­queue mapping 1 1
RS G8264(config)# qos transmit­queue weight­cos 1 2