DES-3010F/DES-3010FL/DES-3010G/DES-3016/DES-3018/DES-3026 Fast Ethernet Switch Manual
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STP Port Settings
STP can be set up on a port per port basis.
To view the following window click
L2 Features > Spanning Tree > STP Port Settings
Figure 7- 18. STP Port Settings and Table window
In addition to setting Spanning Tree parameters for use on the switch level, the Switch allows for the
configuration of groups of ports, each port-group of which will have its own spanning tree, and will require
some of its own configuration settings. An STP Group will use the switch-level parameters entered above,
with the addition of
Port Priority
and
Port Cost
.
An STP Group spanning tree works in the same way as the switch-level spanning tree, but the root bridge
concept is replaced with a root port concept. A root port is a port of the group that is elected based on port
priority and port cost, to be the connection to the network for the group. Redundant links will be blocked,
just as redundant links are blocked on the switch level.
The STP on the switch level blocks redundant links between switches (and similar network devices). The
port level STP will block redundant links within an STP Group.
It is advisable to define an STP Group to correspond to a VLAN group of ports.
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