Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-02
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
mls qos map
Defaults Table 2-7 shows the default CoS-to-DSCP map:
Table 2-8 shows the default DSCP-to-CoS map:
Table 2-9 shows the default DSCP-to-switch priority map:
Ta b l e 2-7 Default CoS-to-DSCP Map
CoS Value DSCP Value
0 0
1 8
2 16
3 24
4 32
5 40
6 48
7 56
Ta b l e 2-8 Default DSCP-to-CoS Map
DSCP Value CoS Value
0–7 0
8–15 1
16–23 2
24–31 3
32–39 4
40–47 5
48–55 6
56–63 7
Ta b l e 2-9 Default DSCP-to-Switch Priority
DSCP Value Switch Priority
0–15 0
16–31 1
32–47 2
48–63 3