29-28
Software Configuration Guide—Release 12.2(25)EW
OL-6696-01
Chapter 29 Configuring QoS
Configuring QoS
This example shows how to create a named aggregate policer with a 10 Mbps rate limit and a 1-MB burst
size that transmits conforming traffic and marks down out-of-profile traffic.
Switch(config)# qos aggregate-policer aggr-1 10000000 1000000 conform-action transmit
exceed-action policed-dscp-transmit
Switch(config)# end
Switch#
This example shows how to verify the configuration:
Switch# show qos aggregate-policer aggr-1
Policer aggr-1
Rate(bps):10000000 Normal-Burst(bytes):1000000
conform-action:transmit exceed-action:policed-dscp-transmit
Policymaps using this policer:
Switch#
Configuring a QoS Policy
The following subsections describe QoS policy configuration:
• Overview of QoS Policy Configuration, page 29-28
• Configuring a Class Map (Optional), page 29-29
• Verifying Class Map Configuration, page 29-30
• Configuring a Policy Map, page 29-30
• Verifying Policy-Map Configuration, page 29-33
• Attaching a Policy Map to an Interface, page 29-34
Note QoS policies process both unicast and multicast traffic.
Overview of QoS Policy Configuration
Configuring a QoS policy requires you to configure traffic classes and the policies that will be applied
to those traffic classes, and to attach the policies to interfaces using these commands:
• access-list (optional for IP traffic—you can filter IP traffic with class-map commands):
–
QoS supports these access list types:
–
See Chapter 35, “Configuring Network Security with ACLs,” for information about ACLs on
the Catalyst 4500 series switches.
• class-map (optional)—Enter the class-map command to define one or more traffic classes by
specifying the criteria by which traffic is classified. (See the “Configuring a Class Map (Optional)”
section on page 29-29.)
Protocol Numbered Access Lists? Extended Access Lists? Named Access Lists?
IP Yes:
1 to 99
1300 to 1999
Yes :
100 to 199
2000 to 2699
Yes
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