D-Link EasySmart Switch User Manual
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Figure 158- L2 Features > Port Trunking Settings
L2 Features > IGMP Snooping
With Internet Group Management Protocol (IGMP) snooping, the EasySmart Switch can make intelligent
multicast forwarding decisions by examining the contents of each frame’s Layer 2 MAC header.
By default, IGMP is disabled. If enabled, the EasySmart switch can recognize IGMP queries and reports sent
between network stations or devices and an IGMP host. With IGMP snooping enabled, the EasySmart switch
will forward multicast traffic only to the connections that have members attached.
Figure 169 – L2 Features > IGMP Snooping setting
L2 Features > Port Mirroring
Port Mirroring is a method of monitoring network traffic that forwards a copy of each incoming and/or
outgoing packet from one port of the Switch to another port where the packet can be studied. This enables
network managers to better monitor network performances.
Figure 50 –L2 Features > Port Mirroring
Selection
Sniffer Mode
for the Source Ports is as follows:
