137Chapter 13 Link scheduler configurationChapter contentsIntroduction ........................................................................................................................................................138Quick references ..................................................................................................................................................139Setting the modem rate .................................................................................................................................140Command cross reference .............................................................................................................................141Link scheduler configuration task list...................................................................................................................141Defining the access control list profile ...........................................................................................................141Packet classification .................................................................................................................................141Creating an access control list ..................................................................................................................142Assigning bandwidth to traffic classes ............................................................................................................144Priority ....................................................................................................................................................144Weighted fair queuing .............................................................................................................................145Shaping ...................................................................................................................................................145Burst tolerance ........................................................................................................................................145Hierarchy ................................................................................................................................................145Creating a top-level service policy profile ......................................................................................................147Specifying source classes or lower level source policy profiles .........................................................................150Defining fair queuing weight ...................................................................................................................150Defining the bit-rate ...............................................................................................................................150Defining absolute priority .......................................................................................................................150Defining the maximum queue length ......................................................................................................151Specifying the type-of-service (TOS) field ...............................................................................................151Specifying the precedence field ................................................................................................................152Specifying differentiated services codepoint marking ...............................................................................152Specifying layer 2 marking ......................................................................................................................154Defining random early detection .............................................................................................................154Discarding Excess Load ...........................................................................................................................155Devoting the service policy profile to an interface .........................................................................................156Displaying link arbitration status ..................................................................................................................157Displaying link scheduling profile information .............................................................................................157Enable statistics gathering .............................................................................................................................158
