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Configuration D-Link Web Smart Switch User Manual
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Figure 4.40 – L2 Functions > MAC Address Table > Dynamic Forwarding Table
The Switch implements two versions of the Spanning Tree Protocol, the Rapid Spanning Tree Protocol
(RSTP) as defined by the IEEE 802.1D-2004 specification and a version compatible with the IEEE 802.1D-
98 STP. RSTP can operate with legacy equipment implementing IEEE 802.1D-98, however the advantages
of using RSTP will be lost.
L2 Functions > Spanning Tree > STP Global Settings
The IEEE 802.1D-2004 Rapid Spanning Tree Protocol (RSTP) evolved from the 802.1D-98 STP standard.
RSTP was developed in order to overcome some limitations of STP that impede the function of some recent
switching innovations. The basic function and much of the terminology is the same as STP. Most of the
settings configured for STP are also used for RSTP. This section introduces some new Spanning Tree
concepts and illustrates the main differences between the two protocols.
By default, Spanning Tree Protocol 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
detection of failed links, and thus faster topology adjustment.
After enabling STP, setting the STP Global Setting includes the following options: