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Firewall Settings > Multicast
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SonicOS 5.8.1 Administrator Guide
To create a multicast address object:
Step 1 In the Enable reception for the following multicast addresses list, select Create new
multicast object.
Step 2 In the Add Address Object window, configure:
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Name: The name of the address object.
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Zone Assignment: Select MULTICAST.
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Type: Select Host, Range, Network, or MAC.
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IP Address: If you selected Host or Network, the IP address of the host or network. The
IP address must be in the range for multicast, 224.0.0.0 to 239.255.255.255.
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Netmask: If you selected Network, the netmask for the network.
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Starting IP Address and Ending IP Address: If you selected Range, the starting and
ending IP address for the address range. The IP addresses must be in the range for
multicast, 224.0.0.1 to 239.255.255.255.
IGMP State Table
This section provides descriptions of the fields in the IGMP State table.
• Multicast Group Address—Provides the multicast group address the interface is joined to.
• Interface / VPN Tunnel—Provides the interface (such as LAN) for the VPN policy.
• IGMP Version—Provides the IGMP version (such as V2 or V3).
• Time Remaining—Provides the amount of time left before the IGMP entry will be flushed.
This is calculated by subtracting the “Multicast state table entry timeout (minutes)”
value, which has the default value of 5 minutes, and the elapsed time since the multicast
address was added.
• Flush and Flush All buttons—To flush a specific entry immediately, check the box to the
left of the entry and click Flush. Click Flush All to immediately flush all entries.