Cisco 10000 Series Configuration Manual page 496

Configuring VC Weighting
Command or Action
Step 10
Router(config-pmap-c)# bandwidth remaining
ratio ratio
Step 11
Router(config-pmap-c)# service-policy
child-policy-name
Step 12
Router(config-pmap-c)# exit
Step 13
Router(config-pmap)# exit
Step 14
Router(config)# interface type
slot/module/port.subinterface [point-to-point |
multipoint]
Step 15
Router(config-if)# service-policy {input |
output} parent-policy-name
Cisco 10000 Series Router Quality of Service Configuration Guide
15-36
Chapter 15 Oversubscribing Physical and Virtual Links
Purpose
(Optional) Specifies the bandwidth-remaining ratio for the
subinterface.
ratio is the value used to determine the amount of unused
bandwidth to allocate to each queue on the subinterface
during periods of congestion. The scheduler allocates the
excess bandwidth relative to other subinterfaces. Valid
values are 1 to 1000. The default value is
platform-dependent.
The router distinguishes between interface types at the
subinterface level when using default bandwidth-remaining
ratios. On the Cisco 10000 series router the default ratio
value is 1 for VLAN subinterfaces and Frame Relay DLCIs.
For ATM subinterfaces, the router computes the default
based on the subinterface speed.
Applies the child policy map you specify to the traffic class.
The router applies the QoS actions specified in the child
policy to the traffic class.
child-policy-name is the name of the child policy.
The service-policy command typically requires that
Note
you specify the direction of the traffic using the
input or output keywords. However, when
applying a child policy to a parent policy, do not
specify traffic direction.
Exits policy-map class configuration mode.
Exits policy-map configuration mode.
Creates or modifies the interface you specify. Enters
subinterface configuration mode.
type is the interface type (for example, Gigabit Ethernet).
slot/module/port.subinterface is the number of the
subinterface that identifies the subinterface (for example,
1/0/0.1).
(Optional) point-to-point indicates that the subinterface is
a point-to-point subinterface.
(Optional) multipoint indicates that the subinterface is a
point-to-multipoint subinterface.
Applies the parent policy to the subinterface.
input indicates to apply the service policy to inbound
traffic.
output indicates to apply the service policy to outbound
traffic.
parent-policy-name is the name of the parent policy map.
When congestion occurs, the class queues receive
Note
bandwidth according to the specified class-level
bandwidth-remaining ratios.
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