High Availability Installation Guide

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Multicast Capability Test

The multicast capability test determines whether multicast communication is enabled in your network environment.

Download the

mtools

Extract the package to each computer that you want to test.

Navigate to the directory

mtools/<OS Version>/

. The supported operating systems are Windows, Linux (x86), AIX-5-powerpc64, SunOS-5.10-i386, SunOS-5.10-sparc.

If you use default multicast address (224.252.253.254) and its default multicast port (18162), run the following commands:

On the first machine:

mdump 224.252.253.254 18162

On all other machines:

msend -b1 -m20 -n5 224.252.253.254 18162

If the test is successful, the output displays the following information:

The output in the first machine indicates that five messages, numbered 0 to 4, were received. Each message should be 20 bytes long.

The output in the second machine indicates that five messages were sent. Each messages should be 20 bytes long.