TRENDnet TL2-F7120 User Manual page 185

TL2-F7120
TRENDnet User's Guide
4.1.95
ip igmp snooping
Command Objective This command enables IGMP snooping in the switch/ a specific VLAN. When
snooping is enabled in a switch or interface, it learns the hosts intention to
listen to a specific multicast address. When the switch receives any packet
from the specified multicast address, it forwards the packet to the host
listening for that address. Broadcasting is avoided to save bandwidth. When
IGMP snooping is enabled globally, it is enabled in all the existing VLAN
interfaces.
The no form of the command disables IGMP snooping in the switch/a
specific VLAN. When IGMP snooping is disabled globally, it is disabled in all
the existing VLAN interfaces.
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