D-Link 48-Port 10/100Mbps Web-Smart Switch with 4-Port 10/100/1000Base-T and 2-Port Combo SFP DES-1252 Instrukcja Użytkownika Pobierz pdf (Strona 46)

Configuration > IGMP Snooping

With Internet Group Management Protocol (IGMP) snooping, the

Web-Smart Switch can make intelligent multicast forwarding

decisions by examining the contents of each frame’s Layer 2 MAC

header.

IGMP snooping can help reduce cluttered traffic on the LAN. With

IGMP snooping enabled globally, the Web-Smart Switch will forward

multicast traffic only to connections that have group members

attached.

Please note that IGMP will not alter or route IP multicast packets. To

send IP multicast packets across subnetworks a multicast routing

protocol will be necessary.

Figure 323 – Configuration > IGMP Snooping Configuration

By default, IGMP is Disabled. If Enabled, the IGMP Global Settings

will need to be entered:

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D-Link 48-Port 10/100Mbps Web-Smart Switch with 4-Port 10/100/1000Base-T and 2-Port Combo SFP DES-1252 Instrukcja Użytkownika Strona 46