SMC Networks TigerAccess SMC7816M Bedienungsanleitung Seite 410

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M
ULTICAST
F
ILTERING
16-14
Web – Click IGMP Snooping, IGMP Immediate Leave Table. Select the
VLAN interface to configure, set the status for immediate leave, and click
Apply.
Figure 16-6 IGMP Immediate Leave Table
CLI – This example enables immediate leave on VLAN 1.
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.
Console(config)#interface vlan 1 25-2
Console(config-if)#ip igmp snooping immediate-leave 35-5
Console(config-if)#
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