Cisco ISE Software Configuration Guide - Page 23
Configuring the set Commands, Configuring Per-VC MDRR and Low Latency Queueing with Queue Limits
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Software Configuration of ATM ISE Line Cards for Cisco 12000 Series Routers How to Configure Layer 3 Terminated VCs on the 4-Port ATM ISE Line Card Examples Following are additional examples of configuring MDRR: • Configuring Per-VC MDRR and Low Latency Queueing with Queue Limits • Configuring Per-VC MDRR and Policed Low Latency Queueing Configuring Per-VC MDRR and Low Latency Queueing with Queue Limits In the following example, per-VC MDRR and LLQ are configured with nondefault queue limits. Configure the policy map as shown in the example: Router(config)# policy-map MDRRandQlimit Router(config-pmap)# class class1 Router(config-pmap-c)# priority Router(config-pmap-c)# class class2 Router(config-pmap-c)# bandwidth remaining percent 50 Router(config-pmap-c)# queue-limit 576 cells Router(config-pmap-c)# class class-default Router(config-pmap-c)# queue-limit 576 cells After the policy map has been created, configure it on the VC using the service-policy command. Configuring Per-VC MDRR and Policed Low Latency Queueing If the police command is used with the exceed-action set to drop on the priority queue, then the bandwidth command can be used with either a percent or kbps specified. The following example uses the bandwidth percent command to guarantee bandwidth to nonpriority classes. Twenty percent of the VC rate is guaranteed to class2. Router(config)# policy-map MDRR-POLICE-LLQ Router(config-pmap)# class class1 Router(config-pmap-c)# priority Router(config-pmap-c)# police 64000000 conform-action transmit exceed drop Router(config-pmap-c)# class class2 Router(config-pmap-c)# bandwidth percent 20 Router(config-pmap-c)# end Router# The next example uses the bandwidth remaining percent command, and specifies that 20 percent of the remaining bandwidth is guaranteed to class2. Router(config)# policy-map MDRR-POLICE-LLQ Router(config-pmap)# class class1 Router(config-pmap-c)# priority Router(config-pmap-c)# police 64000000 conform-action transmit exceed drop Router(config-pmap-c)# class class2 Router(config-pmap-c)# bandwidth remaining percent 20 Router(config-pmap-c)# end Router# After the policy map has been created, configure it on the VC using the service-policy command. Configuring the set Commands This task illustrates how to configure the toggling of various bits, such as the ATM CLP, the IP DSCP, the IP precedence, and the MPLS experimental. Setting of the ATM CLP bit is only supported on egress queues; setting of all other bits is supported on both ingress and egress queues. Cisco IOS Release 12.0(27)S 23