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Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
Chapter 17 Configuring Dynamic Subscriber Services
Dynamically Changing VC Weight and Watermark Values
Setting Up RADIUS for Dynamic VC Weights and Watermarks
To set up RADIUS for dynamic VC weights and watermarks, enter the following Cisco AV pairs in the
user profile on the RADIUS server:
cisco-avpair = “atm:vc-weight=<weight value>”
cisco-avpair = “atm:vc-watermark-min=<minimum watermark value>”
cisco-avpair = “atm:vc-watermark-max=<maximum watermark value>”
Note You can configure the VC weight value from 1 to 255. However, we recommend that you do not
configure the value below 5.
Example 17-11 shows how to configure the RADIUS server for dynamic VC weights and watermarks.
In the example, the VC weight is set to 100.
Example 17-11 Setting Up RADIUS for Dynamic VC Weights and Watermarks
cisco-avpair = "vpdn:tunnel-id = slow”,
cisco-avpair = "vpdn-tunnel-type = l2tp”,
cisco-avpair = "vpdn:ip-addresses = 10.1.1.22”,
cisco-avpair = "vpdn:nas-password = Tortoise”,
cisco-avpair = "vpdn:gw-password = Hare”,
cisco-avpair = "atm:sustainable-cell-rate = 512”,
cisco-avpair = "atm:maximum-burst-rate = 0”,
cisco-avpair = "atm:vc-weight = 100”,
cisco-avpair = "atm:vc-watermark-min = n”,
cisco-avpair = "atm:vc-watermark-max = n”,
When the router requests the policy name, the information in the user file is “pulled.” A RADIUS users
file contains an entry for each user that the RADIUS server authenticates. Each entry, which is also
referred to as a user profile, establishes an attribute the user can access.
When looking at a user file, the data to the left of the equal (=) character is an attribute defined in the
dictionary file and the data to the right of the equal character is the configuration data.
Verifying Dynamic VC Weights and Watermarks
To verify dynamic VC weights and watermarks, enter any of the following commands in privileged
EXEC mode:
Command Purpose
Router# show running-config
Displays the current configuration on the router. The output
shows the VC weights and watermarks that you configure using
the CLI commands. The dynamically modified VC weights and
watermarks do not display.
Router# show atm vc detail
Displays weight and watermark information for all of the VCs
configured.
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