Igmp Filtering And Throttling; Figure 16-6 Igmp Immediate Leave Table - SMC Networks TigerAccess SMC7816M Management Manual

6-band vdsl2 switch

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Web – Click IGMP Snooping, IGMP Immediate Leave Table. Select the

VLAN interface to configure, set the status for immediate leave, and click

CLI – This example enables immediate leave on VLAN 1.

Console(config)#interface vlan 1

Console(config-if)#ip igmp snooping immediate-leave

Console(config-if)#

IGMP Filtering and Throttling

In certain switch applications, the administrator may want to control the

multicast services that are available to end users. For example, an IP/TV

service based on a specific subscription plan. The IGMP filtering feature

fulfills this requirement by restricting access to specified multicast services

on a switch port, and IGMP throttling limits the number of simultaneous

multicast groups a port can join.

IGMP filtering enables you to assign a profile to a switch port that

specifies multcast groups that are permitted or denied on the port. An

IGMP filter profile can contain one or more, or a range of multicast

addresses; but only one profile can be assigned to a port. When enabled,

IGMP join reports received on the port are checked against the filter

profile. If a requested multicast group is permitted, the IGMP join report

is forwarded as normal. If a requested multicast group is denied, the IGMP

join report is dropped.