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User Manual

Chapter 4. Commands for Egress QoS 37

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 Function: Assign a new DSCP, IP Precedence for the classified traffic; no command

deletes the new value.

 Parameter: ip dscp <new-dscp> new DSCP value of IPv4 and IPv6 packets.

 ip precedence <new-precedence> new IPv4 Precedence, only one can be

selected for IPv4 Precedence and IP DSCP.

 cos <new cos> new CoS value.

 c-vid <new-c-vid> new c-vid value.

 s-vid <new-s-vid> new s-vid value.

 s-tpid <new-s-tpid> new s-tpid value.

 Default: Do not assign a new value.

 Command Mode: Policy Class-map Mode

 Usage Guide: Only the classified traffic matching the standard will be assigned the new

values.

 Example: Set IP Precedence of the packets which satisfy c1 class rule as 3.

 Switch(config)#policy-map p1

 Switch(Config-PolicyMap-p1)#class c1

 Switch(Config-PolicyMap-p1-Class-c1)#set ip precedence 3

 Switch(Config-PolicyMap-p1-Class-c1)#exit

 Switch(Config-PolicyMap-p1)#exit

4.6 show mls qos egress green remark

 Command: show mls qos egress green remark

 Function: Show whether Egress remarking mapping takes effect for green packets.

 Parameter: None.

 Default: None.

 Command Mode: Admin and configuration mode

 Usage Guide: When show mapping relation between Egress remarking table and green

packets, it will show whether map green.

 Example: Show whether Egress remarking mapping takes effect for green packets.

 Switch(config)#show mls qos egress green remark

 Green remarking: Disable.

4.7 show mls qos maps

 Command: show mls qos maps (cos-cos | cos-dscp | dscp-cos | dscp-dscp) <color>

 Function: Show Egress remarking mapping.

 Parameters: cos-cos：Set mapping from cos to cos for Egress remark cos table

o cos-dscp：Set mapping from cos to dscp for Egress remark cos table

o dscp-cos：Set mapping from dscp to cos for Egress remark dscp table

 dscp-dscp：Set mapping from dscp to dscp for Egress remark dscp table

 <color>：Packet's colors, including green、yellow、red