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Planet WGSW-28040 User Manual

Planet WGSW-28040
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User’s Manual of WGSW-28040 / 28040P
126
IGMP Querier –
A router, or multicast-enabled switch, can periodically ask their hosts if they want to receive multicast traffic. If there is more
than one router/switch on the LAN performing IP multicasting, one of these devices is elected “querier and assumes the
role of querying the LAN for group members. It then propagates the service requests on to any upstream multicast
switch/router to ensure that it will continue to receive the multicast service.
Multicast routers use this information, along with a multicast routing protocol such as
DVMRP or PIM, to support IP multicasting across the Internet.
This section has the following items:
IGMP Snooping Setting
Configures IGMP snooping settings
IGMP VLAN Setting
Configuration per VLAN LGMP snooping settings
Multicast Database
Display current multicast database
Router Table
Display current router table
4.7.2 IGMP Snooping Setting
This page provides IGMP Snooping related configuration.
Most of the settings are global, whereas the Router Port configuration is related to the currently selected stack unit, as reflected
by the page header. The IGMP Snooping Setting screen in Figure 4-7-5 & Figure 4-7-6 appears.
Figure 4-7-5 IGMP Global Setting page screenshot

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Planet WGSW-28040 Specifications

General IconGeneral
BrandPlanet
ModelWGSW-28040
CategorySwitch
LanguageEnglish

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