CHAPTER
39-1
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
39
Configuring ANCP Client
This chapter describes Access-Network Control Protocol (ANCP) Client on a Catalyst 4500 series
switch. It includes the following sections:
• About ANCP Client, page 39-1
• Enabling and Configuring ANCP Client, page 39-2
Note For complete syntax and usage information for the switch commands used in this chapter, see the
Cisco IOS Command Reference Guides for the Catalyst 4500 Series Switch.
If a command is not in the Cisco Catalyst 4500 Series Switch Command Reference , you can locate it in
the Cisco IOS Master Command List, All Releases.
About ANCP Client
ANCP Multicast enables you to control multicast traffic on a Catalyst 4500 series switch using either
ANCP (instead of IGMP) or direct static configuration on the CLI. You can configure the switch as an
ANCP client that connects to a remote ANCP server with multicast enabled. You can then initiate joins
and leaves from that server. Use the switch in a system in which a subscriber requests that a digital right
management (DRM) server receive a given channel (multicast) potentially through any private protocol
mechanism.
Note The ANCP client does not allow more than four multicast streams per-port per-VLAN. If a fifth join
arrives, it is rejected.
If the digital right management (DRM) server determines that a subscriber is allowed to receive a
multicast, it requests that the ANCP server sends an ANCP join command to the ANCP client
(Catalyst 4500 series switch) for the port on which the subscriber is connected.
Note IGMP snooping must be enabled on an ANCP client (Catalyst 4500 series switch) for processing
multicast commands (join, leave, leave all requests, and request for active flows report) from the ANCP
server. For information on enabling IGMP snooping. Refer to Chapter 28, “Configuring IGMP Snooping
and Filtering, and MVR.”
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