Verifying Service Policies On Ip Sessions; Shaping And Queuing Per-Session Traffic On Lns - Cisco 10000 Series Configuration Manual

Quality of service configuration guide

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Verifying Service Policies on IP Sessions

To verify service policies on IP sessions, enter any of the following commands in privileged EXEC

show class-map type traffic

show policy-map type service

Shaping and Queuing Per-Session Traffic on LNS

The Per Session Shaping and Queuing on LNS feature provides the ability to shape (for example, transmit

or drop) or queue (for transmission later) the traffic from an Internet service provider (ISP) to an ISP

subscriber over a Layer 2 Tunneling Protocol (L2TP) Network Server (LNS). The outgoing traffic is shaped

or queued on a per-session basis.

Shaping and queueing traffic on a per-session basis:

In this simplified topology example:

Cisco 10000 Series Router Quality of Service Configuration Guide

Helps to avoid traffic congestion and allows the ISP to adhere to the Service Level Agreement (SLA)

established for managing traffic.

Provides a high degree of granularity for managing traffic on the network.

topology for per-session shaping and queuing on an LNS.

Per-Session Shaping and Queuing Topology—PPP Sessions Forwarded

Downstream traffic is forwarded from the ISP (the source) to an ISP subscriber (the destination)

during a PPP session.

From an LNS at the ISP, the traffic is transmitted over an L2TP tunnel to an L2TP Access

Concentrator (LAC) and then to the subscriber.

Shaping and queuing the per-session traffic on an LNS can take into account the overhead between

the LNS, LAC, or E-DSLAM-to-CPE by using the user-defined overhead in the shape or bandwidth

To specify the overhead offset in child and parent policies, use the bandwidth and shape

commands. The offset values and encapsulation types must match in the child and parent policies.

Displays traffic class maps and their matching criteria.

Displays the contents of Intelligent Service Gateway (ISG)

service policy maps and service profiles and session-related

Downstream traffic

Regulating and Shaping Subscriber Traffic

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