Installing and Administering Internet Services

304 Chapter 9

Conﬁguring mrouted

by mrouted is the Distance-Vector Multicast Routing Protocol (DVMRP).

The ultimate destination of multicast datagrams are host systems that

are members of one or more multicast groups.

Multicasting enables one-to-many and many-to-many communication

among hosts and is used extensively in networking applications such as

audio and video teleconferencing where multiple hosts need to

communicate simultaneously.

This chapter contains information about how to conﬁgure and use

version 3.8 of mrouted. It includes the following sections:

• “Overview of Multicasting” on page 305

• “Conﬁguring mrouted” on page 309

• “Starting mrouted” on page 313

• “Verifying mrouted Operation” on page 314

• “Displaying mrouted Routing Tables” on page 315

• “Multicast Routing Support Tools” on page 317

• “Sources for Additional Information” on page 318

You cannot use SAM to conﬁgure mrouted.

Note that mrouted is supported only over certain network interfaces,

such as EISA Ethernet (lan2) and EISA FDDI (from a provider other

than Hewlett-Packard), and that the types of interfaces will vary

depending on the system platform.

mrouted is installed as part of the Internet Services software. For more

information about installing mrouted, see “Installing the Internet

Services Software” on page 30.

For additional information on mrouted, type man 1m mrouted at the

HP-UX prompt.