Cisco IE 3000 User Manual

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Cisco IE 3000 Switch Software Configuration Guide
OL-13018-01
Chapter 32 Configuring QoS
Configuring Standard QoS
Cos-dscp map:
cos: 0 1 2 3 4 5 6 7
--------------------------------
dscp: 10 15 20 25 30 35 40 45
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 32-13 shows the default IP-precedence-to-DSCP map:
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.
To return to the default map, use the no mls qos ip-prec-dscp global configuration command.
Ta b l e 32-13 Default IP-Precedence-to-DSCP Map
IP Precedence Value DSCP Value
0 0
1 8
2 16
3 24
4 32
5 40
6 48
7 56
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
mls qos map ip-prec-dscp
dscp1...dscp8
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.
Step 3
end Return to privileged EXEC mode.
Step 4
show mls qos maps ip-prec-dscp Verify your entries.
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.

Cisco IE 3000 Specifications

General

Operating Temperature	-40 to 75°C (-40 to 167°F)
DRAM	128 MB
Flash Memory	32 MB
Uplink Ports	2 x 10/100/1000Base-T or SFP
MAC Address Table Size	8000
Mounting	DIN rail, Wall