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CHAPTER 7
Configuring ANCP
Overview
Copyright © 2010, Juniper Networks, Inc.
This chapter describes how to configure Access Node Control Protocol (ANCP), also
known as Layer 2 Control (L2C), for IP multicast on an E Series router; it contains the
following sections:
Overview on page 185
Platform Considerations on page 187
References on page 188
Configuring ANCP on page 188
Configuring ANCP Interfaces on page 189
Configuring ANCP Neighbors on page 190
Configuring Topology Discovery on page 192
Configuring ANCP for QoS Adaptive Mode on page 192
Triggering ANCP Line Configuration on page 193
Adjusting the Data Rate Reported by ANCP for DSL Lines on page 194
Configuring Transactional Multicast for IGMP on page 194
Triggering ANCP OAM on page 197
Monitoring ANCP on page 197
Access Node Control Protocol (ANCP), also known as Layer 2 Control (L2C), is based
on a subset of the General Switch Management Protocol (GSMP), as defined in the
GSMPv3 Base Specification (draft-ietf-gsmp-v3-base-spec-06.txt). GSMP is a general
purpose protocol used to control a label switch.
GSMP enables a controller to establish and release connections across the switch, add
and delete leaves on a multicast connection, manage switch ports, request configuration
information, request and delete reservation of switch resources, and request statistics.
It also enables the switch to inform the controller of asynchronous events such as a link
going down.
Deploying value-added services across digital subscriber line (DSL) access networks
requires special attention to quality of service (QoS) and service control. This control
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