OmniSwitch 6800/6850/9000 Network Configuration Guide March 2008 page 33-1
33 Configuring IP Multicast
VLAN
Multicasting is a one-to-many transmission mode. It is similar to broadcasting, except that multicasting
means sending to specific groups, whereas broadcasting implies sending to all. When sending voluminous
data, multicast saves considerable bandwidth as the bulk of the data is transmitted only once from its
source through major backbones and are distributed out at switching points closer to end users.
IP Multicast VLAN (IPMV) is an innovative feature for service providers delivering residential voice and
video services. It involves the creation of separate dedicated VLANs built specifically for multicast traffic
distribution. These distribution VLANs connect to the nearest multicast router and support multicast traf-
fic only.
Note. IP Multicast VLAN is only supported on the OmniSwitch 6850 Series and OmniSwitch 9000 Series
in this release.
In This Chapter
This chapter describes the basic components of IP Multicast VLAN and shows how to configure them
through the Command Line Interface (CLI). CLI commands are used in configuration examples; for more
details about command syntax, see the OmniSwitch CLI Reference Guide.
Configuration procedures described in this chapter include:
• Creating and Deleting IPMVLAN on page 33-9.
• Assigning and Deleting IPv4/IPv6 Addresses on page 33-9.
• Assigning and Deleting a C-Tag on page 33-10.
• Creating and Deleting a Sender Port on page 33-10.
• Creating and Deleting a Receiver Port on page 33-11.
• Associating an IPMVLAN with a Customer VLAN on page 33-11.
Note. You can also configure and monitor IPMV through WebView, Alcatel-Lucent’s embedded web-
based device management application. WebView is an interactive and easy-to-use GUI that can be
launched from OmniVista or a web browser. Please refer to WebView’s online documentation for more
information on configuring and monitoring IPMV through WebView.
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