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FriendlyNET FM2008/2009
68 User’s Manual
multicast addresses range from 224.0.0.0 through 239.255.255.255.
The Internet Group Management Protocol (IGMP) is an internal protocol of
the Internet Protocol (IP) suite. IP manages multicast traffic by using
switches, routers, and hosts that support IGMP. Enabling IGMP allows the
ports to detect IGMP queries and report packets and manage IP multicast
traffic through the switch. IGMP has three types of messages, as described
in the table below
:
Message Description
Query
A message sent from the IGMP router or switch asking for a response from
each host belonging to the multicast group.
Report
A message sent by a host to the IGMP router or switch
to indicate that the host
wants to be or is a member of a given group indicated in the report message.
Leave
Group
A message sent by a host to the IGMP router or switch to indicate that the host
has quit to be a member of a specific multicast group.
4.4.6.2 Static MAC Address
Click the
Static MAC Addresses
button to view or configure the static
addresses currently defined on the switch.
When you add a static MAC address, it remains in the switch's
address table, regardless of whether the device is physically