Quality of Service Guide
Edition: 01 3HE 11014 AAAC TQZZA 11
 
List of Tables
2 7705 SAR QoS Configuration Process .......................................21
Table 1 Configuration Process  .............................................................................21
3 QoS and QoS Policies .................................................................23
Table 2 Default Forwarding Classes  ....................................................................28
Table 3 Ingress Packet Priority During Overload ..................................................31
Table 4 Buffer Support on Adapter Cards and Platforms ......................................34
Table 5 Scheduling Behavior After Upgrade to 7705 SAR Release 7.0.R6 
(or Later)  ..................................................................................................55
Table 6 Traffic Classification Types  ......................................................................71
Table 7 Access Ingress Traffic Classification for SAPs per Service Type ............73
Table 8 Scheduling Modes Supported by Adapter Cards and Ports at 
Access Ingress .........................................................................................75
Table 9 Fabric Profile Modes Options and Capabilities ........................................89
Table 10 Scheduling Modes Supported by Adapter Cards and Ports at 
Network Egress ........................................................................................96
Table 11 Default Network Ingress QoS Policy ......................................................105
Table 12 Scheduling Modes Supported by Adapter Cards and Ports at 
Network Ingress ......................................................................................107
Table 13 Scheduling Modes Supported by Adapter Cards and Ports at 
Access Egress ........................................................................................114
Table 14 Scheduler Weight Values (WRR) based on MIR for the T1/E1 
ASAP Adapter Cards and 2-port OC3/STM1 Channelized Adapter Card ....
116
Table 15 Scheduler Weight Values (WRR) based on MIR for the 4-port 
OC3/STM1 Clear Channel Adapter Card ..............................................117
Table 16 ATM Scheduling and Relative Priorities  ................................................117
Table 17 PBO for SAPs and Platforms .................................................................123
Table 18 QoS Policy Types and Descriptions  ......................................................128
Table 19 Forwarding Class and Enqueuing Priority Classification Hierarchy 
Based on Rule Type ...............................................................................131
Table 20 Default Service Ingress Policy ID 1 Definition  .......................................131
Table 21 Default Service Egress Policy ID 1 Definition  ........................................133
Table 22 MC-MLPPP Class Priorities ....................................................................134
Table 23 Packet Forwarding Class to MLPPP Class Mapping  .............................135
Table 24 Default Network QoS Policy Egress Marking  ........................................137
Table 25 Default Network QoS Policy DSCP-to-Forwarding Class 
Mappings ................................................................................................138
Table 26 Default Network QoS Policy LSP EXP-to-Forwarding Class 
Mappings ...............................................................................................139
Table 27 Default Network QoS Policy Dot1p-to-Queue Class Mappings  .............139
Table 28 Applications and Support for Configurable DSCP or dot1p 
Markings .................................................................................................141
Table 29 Default Network Queue Policy Definition  ...............................................144
Table 30 Payload-Based WRED: Discard and Tail Drop Start .............................156