Zhone 2004 ユーザーガイド

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Type the port to configure and press Enter. The IAD saves the new 
configuration and displays the Multicast Configuration menu.

To remove a Multicast Routing Source, follow the steps below.

Type “R” on the Multicast Routing Source menu. The IAD prompts you to 
enter an IP address for the Source.

Type the source IP address and press Enter. The IAD displays the current 
subnet mask and prompts you to enter a new one.

Type the new subnet address and press Enter. The IAD displays the 
available interfaces and prompts you to select one as shown in Figure 4.9.

Type the option number to select the interface. The IAD displays the port 
table (sample shown above) for this interface and prompts you to select a 
port.

Type the port to delete and press Enter. The IAD The IAD permanently 
removes the multicast routing source from the Multicast Routing Source 
Table and displays the Multicast Configuration menu.

To display the Multicast Routing Source, follow the steps below.

Type “S” on the Multicast Routing Source menu to display the Multicast 
Routing Source Table.

Press any key to continue.

IGMP is a communication protocol that operates between a router (The IAD) 
and its local subnet (Ethernet-connection) hosts. The router sends periodic 
IGMP query packets to the subnet to check for any hosts that have joined or 
would like to join a group.

Type “G” on the Multicast Configuration Menu to display the IGMP 
Group. The IAD displays all Internet Group Management Group (IGMP) 
groups for each interface and their expiration times.

Press any key to continue.