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Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
Chapter 15 Oversubscribing Physical and Virtual Links
Configuration Examples
Configuration Example for Configuring the Weight of Multiple VCs
Example 15-12 shows how to configure the weight for multiple PVCs. In the example, each PVC has the
same sustained cell rate (SCR), but has different weights configured. The PVCs with the higher weights
get higher priority in the VP scheduler. Therefore, the PVCs in the range of 1/40 to 1/60 with a weight
of 40 have higher priority than the other configured PVCs:
• PVC 1/34 with a weight of 30
• PVC 1/33 with a weight of 20
• PVC 1/32 with a weight of 10
Example 15-12 Configuring the Weight of Multiple VCs
Router(config)# interface atm 1/0/0.1 point-to-point
Router(config-subif)# pvc 1/32
Router(config-if-atm-vc)# vbr-nrt 1024 512
Router(config-if-atm-vc)# weight 10
Router(config-if-atm-vc)# exit
Router(config-subif)# interface atm 1/0/0.2 point-to-point
Router(config-subif)# pvc 1/33
Router(config-if-atm-vc)# vbr-nrt 1024 512
Router(config-if-atm-vc)# weight 20
Router(config-if-atm-vc)# exit
Router(config-subif)# interface atm 1/0/0.3 point-to-point
Router(config-subif)# pvc 1/34
Router(config-if-atm-vc)# vbr-nrt 1024 512
Router(config-if-atm-vc)# weight 30
Router(config-if-atm-vc)# exit
Router(config-subif)# interface atm 1/0/0.10 point-to-point
Router(config-subif)# range pvc 1/40 1/60
Router(config-if-atm-range)# vbr-nrt 1024 512
Router(config-if-atm-range)# weight 40
Configuration Example for Configuring VC Weight Using a Bandwidth
Remaining Ratio
Example 15-13 shows how to configure VC weight using a bandwidth remaining ratio. In the example,
the bandwidth remaining ratio command is configured in an hierarchical policy to assign a weight of
100 to the VC.
Example 15-13 Configuring VC Weight Using a Bandwidth Remaining Ratio
interface atm 2/0/4.1801 point-to-point
ip address 10.18.100.1 255.255.255.0
pvc 18/100
vbr-nrt 100 100 50
encapsulation aal5snap
service-policy output myParentPolicy
!
Policy Map myParentPolicy
Class class-default
Average Rate Traffic Shaping
cir 25%
bandwidth remaining ratio 100
service-policy myChildPolicy
!