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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