Netgear GS110TP GS108T/ GS110TP Smart Switch Software Administration Manual - Page 116

IGMP Snooping VLAN Configuration, Refresh, Switching, Multicast, Snooping, Fast Leave Admin Mode

Page 116 highlights

GS108T and GS110TP Smart Switch Software Administration Manual The following table describes the information available on the MFDB Statistics page: Field Max MFDB Table Entries Most MFDB Entries Since Last Reset Current Entries Description Displays the maximum number of entries that the Multicast Forwarding Database table can hold. The largest number of entries that have been present in the Multicast Forwarding Database table since the system was last reset. This value is also known as the MFDB high-water mark. Displays the current number of entries in the Multicast Forwarding Database table. Click Refresh to update the information on the screen with the most current data. IGMP Snooping VLAN Configuration Use the IGMP Snooping VLAN Configuration page to configure IGMP snooping settings for VLANs on the system. To access the IGMP Snooping VLAN Configuration page, click Switching Multicast  IGMP Snooping  IGMP Snooping VLAN Configuration. To configure IGMP snooping settings for VLANs: 1. To enable IGMP snooping on a VLAN, enter the VLAN ID in the appropriate field and configure the IGMP Snooping values: • Fast Leave Admin Mode. Enable or disable the IGMP Snooping Fast Leave Mode for the specified VLAN ID. Enabling fast-leave allows the switch to immediately remove the layer 2 LAN interface from its forwarding table entry upon receiving an IGMP leave message for that multicast group without first sending out MAC-based general queries to the interface.You should enable fast-leave admin mode only on VLANs where only one host is connected to each layer 2 LAN port. This prevents the Chapter 3: Configuring Switching Information | 49

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Chapter 3:
Configuring Switching Information
|
49
GS108T and GS110TP Smart Switch Software Administration Manual
The following table describes the information available on the MFDB Statistics page:
Field
Description
Max MFDB Table Entries
Displays the maximum number of entries that the Multicast Forwarding
Database table can hold.
Most MFDB Entries Since
Last Reset
The largest number of entries that have been present in the Multicast
Forwarding Database table since the system was last reset. This value is
also known as the MFDB high-water mark.
Current Entries
Displays the current number of entries in the Multicast Forwarding Database
table.
Click
Refresh
to update the information on the screen with the most current data.
IGMP Snooping VLAN Configuration
Use the IGMP Snooping VLAN Configuration page to configure IGMP snooping settings for
VLANs on the system.
To access the IGMP Snooping VLAN Configuration page, click
Switching
Multicast
IGMP
Snooping
IGMP Snooping VLAN Configuration
.
To configure IGMP snooping settings for VLANs:
1.
To enable IGMP snooping on a VLAN, enter the VLAN ID in the appropriate field and
configure the IGMP Snooping values:
Fast Leave Admin Mode
. Enable or disable the IGMP Snooping Fast Leave Mode
for the specified VLAN ID. Enabling fast-leave allows the switch to immediately
remove the layer 2 LAN interface from its forwarding table entry upon receiving an
IGMP leave message for that multicast group without first sending out MAC-based
general queries to the interface.You should enable fast-leave admin mode only on
VLANs where only one host is connected to each layer 2 LAN port. This prevents the