Cisco Cisco IOS Software Release 12.4(22)XR

To enable DOS in the PDSN:

For flow-based DOS classification and marking:

    Match any 

policy-map policy-pdsn

    Class class-pdsn

        set dos

The following CLI command in Exec mode displays flow-based QoS marking statistics when flow-based 
classification is enabled for a particular flow. The statistics include details such as the number of 
DOS-marked packets. The statistics is displayed based on specific NAI.

pdsn_active# show policy-map apn realm user1

MSID            NAI      Type         MN IP Address    St  HA IP

01002647325     user1    Simple       3.1.1.5          ACT 0.0.0.0

Service-policy output: SIP-POLICY

    Class-map: SIP-CLASS (match-all)

      5 packets, 520 bytes

      30 second offered rate 0 bps, drop rate 0 bps

      Match: any

      QoS Set

        dos

          Packets marked 5

    Class-map: class-default (match-any)

      0 packets, 0 bytes

      30 second offered rate 0 bps, drop rate 0 bps

      Match: any

The following CLI command in Exec mode displays flow-based QoS policy installation and download 
statistics:

pdsn_active-4# show cdm pds stat qos

QoS:

   Total Profile Download Success 10, Failure 0

Local Profile selected 1

   Failure Reason DSCP 0, Flow Profile ID 0,

   Service option profile 0, Others 0

   Total Consolidated Profile 5, DSCP Remarked 5

   Total policing installed 5, failure 0, removed 3

Flow based QoS:

  Input policy:

    Total policy download success 2, failure 0

    Failure reason policy not configured 0, policy downloaded already 0

    Total policy installed 1, failure 0, removed 1

  Output policy:

    Total policy download success 2, failure 0

    Failure reason policy not configured 0, policy downloaded already 0

    Total policy installed 1, failure 0, removed 1

The following CLI command in Exec mode displays the number of flows using flow-based QoS:

pdsn_active-4# show cdm pds

PDSN software version 5.0, service is enabled