D-Link DES-1228P Switch User Manual


 
5 Configuration D-Link Web Smart Switch User Manual
Figure 53 – Configuration > IGMP Router port Settings
To view the Multicast Entry Table for a given VLAN, press the View button.
Figure 54 – Configuration > IGMP Multicast Entry Table
Configuration > 802.1D Spanning Tree
802.1D Spanning Tree Protocol (STP) implementation is a backup link(s) between switches, bridges or
routers designed to prevent network loops that could cause a broadcast storm. When physical links forming
a loop provide redundancy, only a single path will be forwarding frames. If the link fails, STP activates a
redundant link automatically.
Figure 55 – Configuration > Spanning Tree
By default, Spanning Tree is disabled. If enabled, the Switch will listen for BPDU packets and its
accompanying Hello packet. BPDU packets are sent even if a BPDU packet was not received. Therefore,
each link between bridges is sensitive to the status of the link. Ultimately this difference results in faster
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