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DCS-3950 series Ethernet switch manual
Command: mls qos dscp-mutation <dscp-mutation-name>
no mls qos dscp-mutation <dscp-mutation-name>
Function: Apply DSCP mutation mapping to the port; the ‘no mls qos dscp-mutation
<dscp-mutation-name>‘ command restores the DSCP mutation mapping default.
Parameters: <dscp-mutation-name> is the name of DSCP mutation mapping.
Default: There is no policy by default.
Command mode: Interface Mode
Usage Guide: For configuration of DSCP mutation mapping on the port to take effect, the
trust status of that port must be ‘trust DSCP’. Applying DSCP mutation mapping allows
DSCP values specified directly to be converted into new DSCP values without class and
policy process. DSCP mutation mapping is effective to the local port only. The ‘trust
DSCP’ refers to the DSCP value before DSCP mutation in this case.
Example: Configure Ethernet port 1/1 to trust DSCP, using DSCP mutation mapping of
mu1.
Switch(config)#interface ethernet 0/0/1
Switch(Config-Ethernet0/0/1)#mls qos trust dscp
Switch(Config-Ethernet0/0/1)#mls qos dscp-mutation
24.2.2.14 wrr-queue bandwidth
Command: wrr-queue bandwidth <weight1 weight2 weight3 weight4>
no wrr-queue bandwidth
Function: Set the WRR weight for specified egress queue; the ‘no wrr-queue
bandwidth’ command restores the default setting.
Parameters: <weight1 weight2 weight3 weight4 weight5 weight6 weight7 weight8>
are WRR weights, ranging from 0 to 15.
Default: The default values of weight1 to weight8 are 1 through 8.
Command mode: Interface Mode
Usage Guide: The absolute value of WRR is meaningless. WRR allocates bandwidth by
using eight weight values. If a weight is 0, then the queue has the highest priority; when
the weights of multiple queues are set to 0, then the queue of higher order has the higher
priority.
Example: Set the bandwidth weight proportion of the eight queue out to be
1:1:2:2:4:4:8:8.
Switch(Config)#wrr-queue bandwidth 1 2 4 8
24.2.2.15 priority-queue out
Command: priority-queue out
no priority-queue out
Function: Configure the working mode of the queue as prioritized queue mode or WRR
mode.
Parameters: None.
Defautl: Non-priority-queue mode.
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