user manual

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Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 42 Configuring PFC QoS
PFC QoS Configuration Guidelines and Restrictions
Class Map Command Restrictions
• With Release 12.2(18)SXE and later releases, PFC QoS supports the match any class map
command.
• PFC QoS supports class maps that contain a single match command.
• PFC QoS does not support these class map commands:
– match cos
– match any
– match classmap
– match destination-address
– match input-interface
– match qos-group
– match source-address
Policy Map Command Restrictions
PFC QoS does not support these policy map commands:
• class class_name destination-address
• class class_name input-interface
• class class_name protocol
• class class_name qos-group
• class class_name source-address
Policy Map Class Command Restrictions
PFC QoS does not support these policy map class commands:
• bandwidth
• priority
• queue-limit
• random-detect
• set qos-group
• service-policy
Supported Granularity for CIR and PIR Rate Values
PFC QoS has the following hardware granularity for CIR and PIR rate values:
CIR and PIR Rate Value Range Granularity
32768 to 2097152 (2 Mbs) 32768 (32 Kb)
2097153 to 4194304 (4 Mbs) 65536 (64 Kb)