Cisco 4500M Software Manual page 399

Chapter 29 Configuring QoS
Table 29-3 QoS Default Configuration (continued)
Feature
CoS to DSCP map
(DSCP set from CoS values)
DSCP to CoS map
(CoS set from DSCP values)
Marked-down DSCP from DSCP map
(Policed-DSCP)
Policers
Policy maps
Transmit queue sharing
Transmit queue size
Transmit queue shaping
DCSP-to-Transmit queue map
High priority transmit queue
With QoS disabled
Interface trust state
With QoS enabled
Interface trust state
OL-6696-01
Default Value
CoS 0 = DSCP 0
CoS 1 = DSCP 8
CoS 2 = DSCP 16
CoS 3 = DSCP 24
CoS 4 = DSCP 32
CoS 5 = DSCP 40
CoS 6 = DSCP 48
CoS 7 = DSCP 56
DSCP 0–7 = CoS 0
DSCP 8–15 = CoS 1
DSCP 16–23 = CoS 2
DSCP 24–31 = CoS 3
DSCP 32–39 = CoS 4
DSCP 40–47 = CoS 5
DSCP 48–55 = CoS 6
DSCP 56–63 = CoS 7
Marked-down DSCP value equals original DSCP value (no markdown)
None
None
1/4 of the link bandwidth
1/4 of the transmit queue entries for the port. The transmit queue size of a
port depends on the type of port, ranging from 240 packets per transmit
queue to 1920 packets per transmit queue.
None
DSCP 0–15 Queue 1
DSCP 16–31 Queue 2
DSCP 32–47 Queue 3
DSCP 48–63 Queue 4
Disabled
Trust DSCP
With QoS enabled and all other QoS parameters at default values, QoS sets
IP DSCP to zero and Layer 2 CoS to zero in all traffic transmitted.
Untrusted
Software Configuration Guide—Release 12.2(25)EW
Configuring QoS
29-23