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Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide—Release 12.1 E
78-14099-04
Chapter 31 Configuring PFC QoS
PFC QoS Default Configuration
1p2q2t port transmit-queue CoS value and
drop-threshold mapping and threshold
percentages
Standard transmit queue 1 (low priority):
• Threshold 1:
–
CoS 0 and 1
–
WRED-drop: 40% low, 70% high
• Threshold 2:
–
CoS 2 and 3
–
WRED-drop: 70% low, 100% high
Standard transmit queue 2 (high priority):
• Threshold 1:
–
CoS 4
–
WRED-drop: 40% low, 70% high
• Threshold 2:
–
CoS 6 and 7
–
WRED-drop: 70% low, 100% high
Strict-priority receive queue:
• CoS 5
• Tail-drop: 100% (nonconfigurable)
1p7q8t transmit-queue CoS value and
drop-threshold mapping
•
Table 31-2 PFC QoS Default Configuration (continued)
Feature Default Value
