Netgear GS724Tv4 Software Administration Manual - Page 113

GS716Tv3, GS724Tv4, and GS748Tv5 Smart Switches Table 33. IGMP snooping table information (continued) Field Description Interface Description The text description of this multicast table entry. Possible values are Management Configured, Network Configured, and Network Assisted. The list of interfaces that are designated for forwarding (Fwd) and filtering (Flt) for the associated address. IGMP Snooping VLAN Configuration Use the IGMP Snooping VLAN Configuration screen to configure IGMP snooping settings for VLANs on the system.  To configure IGMP snooping settings for VLANs: 1. Select Switching > Multicast > IGMP Snooping > IGMP Snooping VLAN Configuration. 2. 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 inadvertent dropping of the other hosts that were connected to the same layer 2 LAN port but were still interested in receiving multicast traffic directed to that group. Also, fast-leave processing is supported only with IGMP version 2 hosts. • Host Timeout. Sets the value for group membership interval of IGMP snooping for the specified VLAN ID. The valid range is (Maximum Response Time + 1) to 3600 seconds. • Maximum Response Time. Sets the value for maximum response time of IGMP snooping for the specified VLAN ID. Valid range is 1 to 25. The configured value must be less than the Group Membership Interval. The default is 10 seconds. • MRouter Timeout. Enter the amount of time that a switch waits to receive a query on the VLAN before removing it from the list of VLANs with multicast routers attached. Enter a value between 0 and 3600 seconds. The default is 0 seconds, which means there is no expiration. • Query Mode. Enable or disable the IGMP Querier Mode for the specified VLAN ID. • Query Interval. Enter the value for IGMP Query Interval for the specified VLAN ID. The valid range is 1-1800 seconds. The default is 60 seconds. 3. Click the Add button.  To disable IGMP snooping on one or more VLANs: 1. Select the check box next to each VLAN ID on which IGMP snooping is to be disabled. 2. Click the Delete button. Configuring Switching 113