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Chapter 13 Link scheduler configuration
Chapter contents
Introduction........................................................................................................................................................150
Applying scheduling at the bottleneck ...........................................................................................................150
Using traffic classes .......................................................................................................................................150
Introduction to Scheduling ...........................................................................................................................151
Priority ....................................................................................................................................................151
Weighted fair queuing (WFQ) ................................................................................................................151
Shaping ...................................................................................................................................................151
Burst tolerant shaping or wfq ..................................................................................................................152
Hierarchy ................................................................................................................................................152
Quick references..................................................................................................................................................153
Setting the modem rate .................................................................................................................................153
Command cross reference .............................................................................................................................154
Link scheduler configuration task list...................................................................................................................154
Defining the access control list profile ...........................................................................................................155
Packet classification .................................................................................................................................155
Creating an access control list ..................................................................................................................156
Creating a service policy profile .....................................................................................................................157
Specifying the handling of traffic-classes ........................................................................................................159
Defining fair queuing weight ...................................................................................................................159
Defining the bit-rate ...............................................................................................................................160
Defining absolute priority .......................................................................................................................160
Defining the maximum queue length ......................................................................................................160
Specifying the type-of-service (TOS) field ...............................................................................................160
Specifying the precedence field ................................................................................................................161
Specifying differentiated services codepoint (DSCP) marking .................................................................161
Specifying layer 2 marking ......................................................................................................................162
Defining random early detection .............................................................................................................163
Discarding Excess Load ...........................................................................................................................163
Quality of Service for routed RTP streams ....................................................................................................163
Devoting the service policy profile to an interface .........................................................................................165
Displaying link arbitration status ..................................................................................................................166
Displaying link scheduling profile information .............................................................................................166
Enable statistics gathering .............................................................................................................................166
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