Configuring The Ip-Precedence-To-Dscp Map - Cisco IE-3000-8TC Software Configuration Manual
Software configuration guide
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- Command reference manual (802 pages) ,
- Administration manual (496 pages) ,
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Configuring Standard QoS
This example shows how to modify and display the CoS-to-DSCP map:
Switch(config)# mls qos map cos-dscp 10 15 20 25 30 35 40 45
Switch(config)# end
Switch# show mls qos maps cos-dscp
Cos-dscp map:
Configuring the IP-Precedence-to-DSCP Map
You use the IP-precedence-to-DSCP map to map IP precedence values in incoming packets to a DSCP
value that QoS uses internally to represent the priority of the traffic.
Table 36-13
Table 36-13
IP Precedence Value
0
1
2
3
4
5
6
7
If these values are not appropriate for your network, you need to modify them.
Beginning in privileged EXEC mode, follow these steps to modify the IP-precedence-to-DSCP map.
This procedure is optional.
Command
Step 1
configure terminal
Step 2
mls qos map ip-prec-dscp
dscp1...dscp8
Step 3
end
Step 4
show mls qos maps ip-prec-dscp
Step 5
copy running-config startup-config
To return to the default map, use the no mls qos ip-prec-dscp global configuration command.
Cisco IE 3000 Switch Software Configuration Guide
36-52
cos:
0
1
2
3
4
--------------------------------
dscp:
10 15 20 25 30 35 40 45
shows the default IP-precedence-to-DSCP map:
Default IP-Precedence-to-DSCP Map
DSCP Value
0
8
16
24
32
40
48
56
Purpose
Enter global configuration mode.
Modify the IP-precedence-to-DSCP map.
For dscp1...dscp8, enter eight DSCP values that correspond to the IP
precedence values 0 to 7. Separate each DSCP value with a space.
The DSCP range is 0 to 63.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
5
6
7
Chapter 36
Configuring QoS
OL-13018-03
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