Default High And Low Watermark Values; High And Low Watermark Threshold Behavior; Restrictions And Limitations For Vc Weight And Watermarks; Configuring Dynamic Vc Weights And Watermarks - Cisco 10000 Series Configuration Manual

Quality of service configuration guide

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Dynamically Changing VC Weight and Watermark Values

Default High and Low Watermark Values

The high and low watermark settings define the depth of the PVC interface queue on the line card.

Table 15-3 on page 15-25

(VBR) VCs, based on the ATM VC rate.

Table 15-4 on page 15-25

(UBR) VCs, based on the ATM VC rate.

For more information about high and low watermarks, see the

Values" section on page 15-26

section on page

The behavior of the high and low watermark thresholds depends on the queuing mode configured, either

atm pxf queuing or no atm pxf queuing mode.

describes threshold behavior for each of these queuing modes. For more information, see the

Watermark and Low Watermark Default Values" section on page

To configure dynamic VC weights and watermarks on a PVC, perform the following required

configuration tasks:

Cisco 10000 Series Router Quality of Service Configuration Guide

lists the default high and low watermark values for ATM variable bit rate

lists the default high and low watermark values for ATM unspecified bit rate

You must configure the AV pairs for both the high and low watermarks. Configuring only one of the

AV pairs results in the watermark not being configured.

The router does not support RADIUS Pull for automatically provisioned VCs and virtual path (VP)

Configuring the Router for Dynamic VC Weights and Watermarks, page 17-21

Setting Up RADIUS for Dynamic VC Weights and Watermarks, page 17-22

"Modifying the VC Weight and the VP Shaping Parameters"

Chapter 15, "Oversubscribing Physical and Virtual Links"

Configuring Dynamic Subscriber Services

"Guidelines for Changing Watermark

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