Netgear GS516TP Software Administration Manual - Page 82

Switching > Multicast > IGMP Snooping > IGMP Snooping Configuration

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GS516TP Gigabit Smart Switches  To configure IGMP Snooping: 1. Select Switching > Multicast > IGMP Snooping > IGMP Snooping Configuration. 2. Next to IGMP Snooping Status, enable or disable IGMP Snooping on the switch. • Enable. The switch snoops all IGMP packets it receives to determine which segments should receive packets directed to the group address. • Disable. The switch does not snoop IGMP packets. 3. Select whether to block unknown multicast addresses. • Enable. Packets with unknown multicast MAC address in the destination field are dropped. • Disable. Packets with unknown destination multicast MAC addresses are processed. 4. Click APPLY to send the updated configuration to the switch. Configuration changes take place immediately. The following table displays information about the global IGMP snooping status. Table 20. IGMP Snooping Status. Field Description VLAN IDs Enabled For IGMP Displays VLAN IDs enabled for IGMP snooping. For information about how Snooping to enable VLANs for IGMP snooping, see IGMP Snooping VLAN Configuration . VLAN IDs Enabled For IGMP Displays VLAN IDs enabled for IGMP snooping querier. Snooping Querier IGMP Snooping Table To view all of the entries in the Multicast Forwarding Database that were created for IGMP snooping, use the IGMP Snooping Table screen. Select Switching > Multicast > IGMP Snooping > IGMP Snooping Table. The following table describes the fields in the IGMP Snooping Table. Table 21. IGMP Snooping Table. Field MAC Address VLAN ID Type Description A multicast MAC address for which the switch has forwarding and filtering information. The format is six 2-digit hexadecimal numbers that are separated by colons, for example, 01:00:5e:45:67:89. A VLAN ID for which the switch has forwarding and filtering information. This field displays the type of the entry. Static entries are configured by the end user. Dynamic entries are added to the table as a result of a learning process or protocol. 82

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82
GS516TP Gigabit Smart Switches
To configure IGMP Snooping:
1.
Select
Switching > Multicast > IGMP Snooping > IGMP Snooping Configuration
.
2.
Next to IGMP Snooping Status, enable or disable IGMP Snooping on the switch.
•
Enable
. The switch snoops all IGMP packets it receives to determine which segments
should receive packets directed to the group address.
•
Disable
. The switch does not snoop IGMP packets.
3.
Select whether to block unknown multicast addresses.
•
Enable
. Packets with unknown multicast MAC address in the destination field are
dropped.
•
Disable
. Packets with unknown destination multicast MAC addresses are processed.
4.
Click
APPLY
to send the updated configuration to the switch.
Configuration changes take place immediately.
The following table displays information about the global IGMP snooping status.
Table 20.
IGMP Snooping Status.
Field
Description
VLAN IDs Enabled For IGMP
Snooping
Displays VLAN IDs enabled for IGMP snooping. For information about how
to enable VLANs for IGMP snooping, see
IGMP Snooping VLAN
Configuration
.
VLAN IDs Enabled For IGMP
Snooping Querier
Displays VLAN IDs enabled for IGMP snooping querier.
IGMP Snooping Table
To view all of the entries in the Multicast Forwarding Database that were created for IGMP
snooping, use the IGMP Snooping Table screen.
Select
Switching > Multicast > IGMP Snooping > IGMP Snooping Table
.
The following table describes the fields in the IGMP Snooping Table.
Table 21.
IGMP Snooping Table.
Field
Description
MAC Address
A multicast MAC address for which the switch has forwarding and filtering
information. The format is six 2-digit hexadecimal numbers that are
separated by colons, for example, 01:00:5e:45:67:89.
VLAN ID
A VLAN ID for which the switch has forwarding and filtering information.
Type
This field displays the type of the entry. Static entries are configured by the
end user. Dynamic entries are added to the table as a result of a learning
process or protocol.