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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 52 Configuring QoS
Configuring QoS on the Switch
QoS has the following hardware granularity for the CIR and PIR token bucket (burst) sizes:
Configuring QoS on the Switch
These sections describe how to configure QoS on the Catalyst 6500 series switches:
• Enabling QoS, page 52-39
• Enabling DSCP Rewrite, page 52-39
• Disabling DSCP Rewrite, page 52-40
• Enabling Port-Based or VLAN-Based QoS, page 52-40
• Configuring the Trust State of a Port, page 52-41
• Configuring the CoS Value for a Port, page 52-41
• Creating Policers, page 52-42
• Deleting Policers, page 52-45
• Creating or Modifying ACLs, page 52-45
• Attaching an ACL to an Interface, page 52-56
• Detaching an ACL from an Interface, page 52-57
• Configuring PFC3 Egress DSCP Mutation, page 52-58
• Configuring CoS-to-CoS Maps on 802.1Q Tunnel Ports, page 52-60
• Mapping a CoS Value to a Host Destination MAC Address/VLAN Pair, page 52-61
• Deleting a CoS Value to a Host Destination MAC Address/VLAN Pair, page 52-62
• Enabling or Disabling Microflow Policing of Bridged Traffic, page 52-62
• Configuring the Standard Receive-Queue Tail-Drop Thresholds, page 52-63
• Configuring the 2q2t Port Standard Transmit-Queue Tail-Drop Thresholds, page 52-63
• Configuring the Standard Queue WRED-Drop Thresholds, page 52-64
• Allocating Bandwidth Between the Standard Transmit Queues, page 52-66
CIR and PIR Token Bucket Size Range Granularity
1 to 32768 (32 KB) 1024 (1 KB)
32769 to 65536 (64 KB) 2048 (2 KB)
65537 to 131072 (128 KB) 4096 (4 KB)
131073 to 262144 (256 KB) 8192 (8 KB)
262145 to 524288 (512 KB) 16384 (16 KB)
524289 to 1048576 (1 MB) 32768 (32 KB)
1048577 to 2097152 (2 MB) 65536 (64 KB)
2097153 to 4194304 (4 MB) 131072 (128 KB)
4194305 to 8388608 (8 MB) 262144 (256 KB)
8388609 to 16777216 (16 MB) 524288 (512 KB)
16777217 to 33554432 (32 MB) 1048576 (1 MB)
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