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Cisco 7604 Configuration Manual page 629

Ios software configuration guide
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Chapter 41
Configuring PFC QoS
Module to Queue Type Mappings
The following tables show the module to queue structure mapping:
Table 41-2 Supervisor Engine Module QoS Queue Structures
Supervisor Engines
WS-SUP720
WS-SUP720-3B
WS-SUP720-3BXL
WS-SUP32-10GE
10 Gigabit Ethernet ports
Gigabit Ethernet port
WS-SUP32-GE
WS-X6K-S2U-MSFC2
WS-X6K-S2-MSFC2
WS-X6K-S2-PFC2
Table 41-3 Ethernet and Fast Ethernet Module Queue Structures
Modules
WS-X6524-100FX-MM
WS-X6548-RJ-21
WS-X6548-RJ-45
OL-4266-08
1p7q8t indicates the following:
One strict-priority queue
Seven standard queues, each with eight thresholds, each threshold configurable as either
WRED-drop or tail-drop
Supervisor Engine Module QoS Queue Structures
Ethernet and Fast Ethernet Module Queue Structures
Gigabit and 10/100/1000 Ethernet Modules
10 Gigabit Ethernet Modules
Ingress
Queue and
Ingress
Drop
Queue
Thresholds
Scheduler
1p1q4t
2q8t
WRR
1p1q4t
Ingress
Queue and
Ingress
Drop
Queue
Thresholds
Scheduler
1p1q0t
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
Egress
Queue and
Egress
Drop
Queue
Thresholds
Scheduler
1p2q2t
WRR
1p3q8t
DWRR
SRR
1p2q2t
WRR
Egress
Queue and
Egress
Drop
Queue
Thresholds
Scheduler
1p3q1t
DWRR
Understanding How PFC QoS Works
Total Buffer
Ingress
Size
Buffer Size
512 KB
73 KB
193 MB
105 MB
17.7 MB
9.6 MB
17.7 MB
9.6 MB
512 KB
73 KB
Total Buffer
Ingress
Size
Buffer Size
1,116 KB
28 KB
Egress
Buffer Size
439 KB
88 MB
8.1 MB
8.1 MB
439 KB
Egress
Buffer Size
1,088 KB
41-27

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