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Configuration > 802.1D Spanning Tree
802.1D Spanning Tree Protocol (STP) implementation is 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 37 – 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 detection of failed links, and
thus faster topology adjustment. A draw-back of 802.1D is this
absence of immediate feedback from adjacent bridges.
After Enabling STP, setting the STP Global Setting includes the
following options: