Linux 7 Multicast Configuration

Internal

• Linux 7 Network Configuration

Concepts

Multicast

Procedure

• Make sure multicast is enabled at kernel level.
• Verify that the network interface you plan to use for multicast traffic has multicast enabled, and if not, turn it on.
• Configure multicast routing.
• If iptables runs on the system, allow multicast traffic for the interface that will handle multicast traffic.
• Test it. For more details see the Troubleshooting section.

Subjects

• Configure iptables to allow Multicast
• Configure Multicast Routing

TODO http://lartc.org/howto/lartc.multicast.html

netstat -g

will give you group membership information. Optionally use -n to prevent DNS lookups (faster).

echo 1 > /proc/sys/net/ipv4/ip_forward

Testing

• Java Network Traffic Generator