Chapter 41
Configuring PFC QoS
Table 41-4 Gigabit and 10/100/1000 Ethernet Modules
Modules
WS-X6748-GE-TX with DFC3 2q8t
WS-X6748-GE-TX with CFC
WS-X6748-SFP with DFC3
WS-X6748-SFP with CFC
WS-X6724-SFP with DFC3
WS-X6724-SFP with CFC
WS-X6548-GE-TX
WS-X6548V-GE-TX
WS-X6548-GE-45AF
WS-X6516-GBIC
WS-X6516A-GBIC
WS-X6516-GE-TX
WS-X6408-GBIC
WS-X6408A-GBIC
WS-X6416-GBIC
WS-X6416-GE-MT
WS-X6316-GE-TX
WS-X6148-GE-TX
WS-X6148V-GE-TX
WS-X6148-GE-45AF
WS-X6148A-GE-TX
WS-X6148A-GE-45AF
Table 41-5 10 Gigabit Ethernet Modules
Modules
WS-X6708-10GE
WS-X6704-10GE with DFC3
WS-X6704-10GE with CFC
WS-X6502-10GE
WS-X6501-10GEX4
OL-4266-08
Ingress
Queue and
Ingress
Drop
Queue
Thresholds
Scheduler
WRR
1q8t
—
2q8t
WRR
1q8t
—
2q8t
WRR
1q8t
—
1q2t
—
1p1q4t
—
1q4t
—
1p1q4t
—
1q2t
—
Ingress
Queue and
Ingress
Drop
Queue
Thresholds
Scheduler
8q4t
DWRR
8q8t
WRR
1q8t
—
1p1q8t
—
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
Egress
Queue and
Egress
Drop
Queue
Thresholds
Scheduler
1p3q8t
DWRR
1p2q2t
WRR
1p2q2t
WRR
WRR
WRR
2q2t
WRR
1p2q2t
WRR
DWRR
1p3q8t
Egress
Queue and
Egress
Drop
Queue
Thresholds
Scheduler
1p7q4t
DWRR
SRR
1p7q8t
DWRR
1p2q1t
DWRR
Understanding How PFC QoS Works
Total Buffer
Ingress
Size
Buffer Size
1.3 MB
166 KB
1.4 MB
185 KB
512 KB
73 KB
1 MB
135 KB
512 KB
73 KB
80 KB
73 KB
1.4 MB
185 KB
120 KB
5.5 MB
Total Buffer
Ingress
Size
Buffer Size
200 MB
108 MB
16 MB
2 MB
64.2 MB
256 KB
Egress
Buffer Size
1.2 MB
1.2 MB
439 KB
946 KB
439 KB
432 KB
439 KB
1.2 MB
5.4 MB
Egress
Buffer Size
90 MB
14 MB
64 MB
41-29