Implementing Layer-3 Multicast Routing on Cisco
IOS XR Software
This module describes how to implement Layer 3 multicast routing on Cisco ASR 9000 Series Routers
running Cisco IOS XR Software.
Multicast routing is a bandwidth-conserving technology that reduces traffic by simultaneously delivering
a single stream of information to potentially thousands of corporate recipients and homes. Applications that
take advantage of multicast routing include video conferencing, corporate communications, distance learning,
and distribution of software, stock quotes, and news.
This document assumes that you are familiar with IPv4 and IPv6 multicast routing configuration tasks and
concepts for Cisco IOS XR Software .
Multicast routing allows a host to send packets to a subset of all hosts as a group transmission rather than to
a single host, as in unicast transmission, or to all hosts, as in broadcast transmission. The subset of hosts is
known as group members and are identified by a single multicast group address that falls under the IP Class
D address range from 224.0.0.0 through 239.255.255.255.
For detailed conceptual information about multicast routing and complete descriptions of the multicast routing
commands listed in this module, you can refer to the Related Documents, on page 165.
Feature History for Configuring Multicast Routing on the Cisco ASR 9000 Series Routers
ModificationRelease
This feature was introduced.Release 3.7.2
Support was added for these features:
•
Flow-based multicast only fast reroute (MoFRR).
•
IGMP VRF override.
Release 3.9.0
Support was added for the Multicast VPN feature. (For IPv4
address family)
Release 3.9.1
Cisco ASR 9000 Series Aggregation Services Router Multicast Configuration Guide, Release 5.1.x
1
To Next Page
Need help?
General
