Specifications

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7.12 Egress ACL Support for Remarked DSCP ..............................................................................43
7.13 Egress DSCP Mutation Mapping .............................................................................................44
7.14 DSCP to CoS Mapping ............................................................................................................44
7.15 Adjusting the Transmit Queue Size Ratio................................................................................44
8. Configuring QoS on the Policy Feature Card..........................................................................45
8.1 Classification and Policing with the PFC ...................................................................................45
8.2 Configure Policing on the Catalyst 6500....................................................................................46
8.3 Rate and Burst...........................................................................................................................47
8.4 PIR and Max Burst.....................................................................................................................47
8.5 Hardware Interval ......................................................................................................................47
8.6 Aggregates and Microflow’s.......................................................................................................48
8.7 The Rules of the Token Bucket .................................................................................................49
8.8 A Walk through how the Token Bucket is used .........................................................................50
8.9 A Simple Policing Example........................................................................................................53
8.9.1. DSCP Markdown Maps ..................................................................................................54
8.10 User Based Rate Limiting (UBRL)...........................................................................................55
8.10.1. Egress Policing.............................................................................................................56
8.11 Configuring Classification........................................................................................................56
8.11.1. CoS to DSCP Mapping.................................................................................................56
8.11.2. IP Precedence to DSCP Mapping ................................................................................57
8.11.3. PFC Classification ........................................................................................................57
8.12 MAC ACL Filtering ...................................................................................................................58
9. Appendix One—Buffers and Queues Summary......................................................................59
10. Appendix Two—QoS Summary Feature List.........................................................................60
11. Appendix Three—Comparison of QoS Features between PFC’s........................................61
12. Appendix Four—Default QoS Settings for Selected Catalyst 6500 Linecards...................61
12.1 WS-X6148-RJ-45 ....................................................................................................................61
12.2 WS-X6516-GE-TX/WS-X6516-GBIC.......................................................................................63
12.3 WS-X6516a-GBIC ...................................................................................................................64
12.4 WS-X6548-RJ-45 ....................................................................................................................66
12.5 WS-X6704-10GE.....................................................................................................................68
12.6 WS-X6708-10GE-3C/WS-X6708-10GE-3CXL ........................................................................72
12.7 WS-X6716-10GE-3C/WS-X6716-10GE-3CXL ........................................................................79
12.8 WS-X6748-GE-TX/WS-X6748-SFP.........................................................................................84
12.9 WS-X6816-GBIC .....................................................................................................................87