20-22
switch(config)#class-map 1
switch(config-classmap-1)#match ipv6 dscp 7
switch(config-classmap-1)#exit
Create a policy map:
switch(config)#policy-map 1
switch(config-policymap-1)#class 1
switch(config-policymap-1-class-1)#set cos 4
switch(config-policymap-1-class-1)#exit
switch(config-policymap-1)#exit
Bind a policy to VLAN
switch(config)#service-policy output 1 vlan 10
Example 3:
In egress of port 1, limit the speed of packets. Set the bandwidth for packets to 1 Mb/s, with the normal burst
value of 1 MB, the max burst value of 4 MB, set dscp value of 1 as 10 for green packets, set dscp value of
yellow packets as 9 and drop red packets.
Create a class map:
switch(config)#class-map c1
switch(config-classmap-c1)#match ip dscp 1
switch(config-classmap-c1)#exit
Create a policy map:
switch(config)#policy-map p1
switch(config-policymap-p1)#class c1
switch(config-policymap-p1-class-c1)#policy 1000 1000 4000 action policied-dscp-exp-to-dscp-transmit
violate-action drop
switch(config-policymap-p1-class-c1)#exit
switch(config-policymap-p1)#exit
Set Egress dscp remark mapping
switch(config)#mls qos map dscp-dscp green 1 to 10
switch(config)#mls qos map dscp-dscp yellow 1 to 9
Set Egress remark to take effect for green packets
switch(config)#mls qos egress green remark
Set trust dscp mode on ingress
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