D-Link DE-1824EI User Guide - Page 35

IEEE 803.1d Spanning Tree Protocol to, Three Separate Collision Domains

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Page 35 highlights

10BASE-T Stackable Hubs Figure 4 -4 Three Separate Collision Domains When a hub is segmented from the rest of the stack, the Segmented indicator on the front panel display will light. For information about segmenting hubs using the console interface, see Chapter 6 in this User's Guide. For information about segmenting hubs using the network management module for the hub, see the management module's User's Guide. NOTE: Hub segmentation is controlled by the master hub. While the hub is performing its Power-On Self-Test (POST), all hubs in the stack will be connected together in a single segment. When the master hub completes its initialization, it will restore any segmentation of the hubs. Therefore, if you are using a switch or bridge to join different segments, be sure to enable the IEEE 803.1d Spanning Tree Protocol to prevent temporary network loops. Building Hub Stacks 4-7

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10BASE-T Stackable Hubs
Figure 4 -4
Three Separate Collision Domains
When a hub is segmented from the rest of the stack, the Segmented indicator
on the front panel display will light. For information about segmenting hubs
using the console interface, see Chapter 6 in this
User's Guide
.
For
information about segmenting hubs using the network management module
for the hub, see the management module's
User's Guide
.
NOTE:
Hub segmentation is controlled by the master
hub.
While the hub is performing its Power-On
Self-Test (POST), all hubs in the stack will be
connected together in a single segment.
When
the master hub completes its initialization, it will
restore
any
segmentation
of
the
hubs.
Therefore, if you are using a switch or bridge to
join different segments, be sure to enable the
IEEE 803.1d Spanning Tree Protocol to
prevent temporary network loops.
Building Hub Stacks
4-7