Multimedia Support - Dell PowerConnect 3048 User Manual

NOTE: IGMP requires a
router that learns about
the presence of multicast
groups on its subnets and
keeps track of group
membership.
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Multimedia Support

In networks where multimedia applications generate multicast traffic,
Internet group management protocol (IGMP) can greatly reduce
unnecessary bandwidth by limiting traffic forwarding that is otherwise
broadcast to the whole network. Enabling IGMP will allow individual ports
to detect IGMP queries, report packets, and manage IP multicast traffic
through the switch.
The IGMP option can be set as follows:
• Enabled — The system detects IGMP queries and report packets and
manages IP multicast traffic through the switch.
• Disabled — The switch forwards traffic and ignores any IGMP
requests.