Allied-telesis AT-S60 Uživatelský manuál Strana 326

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AT-S60 Management Software User’s Guide
Section II: Local and Telnet Management 325
Without IGMP snooping, a switch would flood multicast packets from all
of its ports, except the port on which it received the packet. Such
flooding of packets can negatively impact switch and network
performance.
The AT-8400 Series switch supports both IGMP Version 1 and Version 2.
The switch maintains its multicast groups through an adjustable time-
out value, which controls how frequently it expects to see reports from
end nodes that want to remain members of multicast groups, and by
processing leave requests.
Note
The default setting for IGMP snooping is disabled.
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