SMC Networks EZ Switch SMCGS24C-Smart, User Manual

Page: 90 / 118

C
ONFIGURING THE
S
WITCH
5-40
IGMP Snoop
The switch can use Internet Group Management Protocol (IGMP) to filter
multicast traffic. IGMP Snooping monitors IGMP service requests passing
between multicast clients and servers, and dynamically configures the ports
which need to recieve the mulitcast traffic.
Note: For IGMPV3, the switch incudes basic support for reports only,
Source Multicast is not supported.
Settings
Field Attributes
IGMP Snooping Configuration
• IGMP Enabled - When enabled, the switch will monitor network traffic
to determine which hosts want to receive multicast traffic.
• Router Ports - Set if ports are conneting to the IGMP administrative
routers.
• Unregistered IPMC Flooding enabled - Set the forwarding mode for
unregistered (not-joined) IP multicast traffic. The traffic will flood when
enabled, and forward to router-ports only when disabled.
IGMP Snooping VLAN Configuration
• VLAN ID - The VLAN ID. This cannot be changed.
• IGMP Snooping Enabled -When enabled, the port will monitor
network traffic to determine which hosts want to receive the multicast
traffic.
• IGMP Querying Enabled - When enabled, the port can serve as the
Querier, which is responsible for asking hosts if they want to receive
multicast traffic.