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Using Local Management
CHAPTER 5
Local Management
Configure IGMP Snooping
Description
IGMP snooping (Internet Group Management Protocol) allows the switch
to forward multicast traffic intelligently. The switch “snoops” the IGMP
query and report messages and forwards traffic only to the ports that
request the multicast traffic. This prevents the switch from broadcasting the
traffic to all ports and possibly affecting network performance.
IGMP requires a router that learns about the presence of multicast groups
on its subnets and keeps track of group membership. Note: Multicasting is
not connection oriented, so data is delivered to the requesting hosts on a
best-effort level of service.
VLAN Name (port-based or tag-based VLANs only): Displays the
VLAN for which IGMP snooping is enabled. You can also enable IGMP
snooping for a VLAN on the Create an 802.1Q VLAN screen.
IGMP Snooping state: Enables or disables IGMP Snooping (press
z).
IGMP Snooping age-out timer: Indicates the amount of time (in seconds)
the switch waits to receive IGMP queries. The default time is 300 seconds.
A query allows the server to determine which network hosts are (or want to
be) part of the IP multicast group, and are configured and ready to receive
traffic for the given application.
LOCATION
Main Menu
Configure Device
Forwarding and Filtering
IGMP Snooping