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Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 42 Configuring PFC QoS
PFC QoS Default Configuration
8q4t Receive Queues
Feature Default Value
Standard receive queue 1
(lowest priority)
Threshold 1 CoS 0 and 1
DSCP 0–9, 11, 13, 15–17, 19, 21, 23, 25,
27, 29, 31, 33, 39, 41–45, 47
Tail-drop Disabled; 70%
WRED-drop Enabled; 40% low, 70% high
Threshold 2 CoS 2 and 3
DSCP
Tail-drop Disabled; 80%
WRED-drop Enabled; 40% low, 80% high
Threshold 3 CoS 4
DSCP
Tail-drop Disabled; 90%
WRED-drop Enabled; 50% low, 90% high
Threshold 4 CoS 6 and 7
DSCP
Tail-drop Disabled; 100%
WRED-drop Enabled; 50% low, 100% high
Standard receive queue 2
(intermediate priority)
Threshold 1 CoS None
DSCP 14
Tail-drop Enabled; 100%
WRED-drop Disabled; 100% low, 100% high
Threshold 2 CoS None
DSCP 12
Tail-drop Enabled; 100%
WRED-drop Disabled; 100% low, 100% high
Threshold 3 CoS None
DSCP 10
Tail-drop Enabled; 100%
WRED-drop Disabled; 100% low, 100% high
Threshold 4 CoS None
DSCP None
Tail-drop Enabled; 100%
WRED-drop Disabled; 100% low, 100% high