Port mirroring – 3Com 2226 PLUS User Manual

Page 58

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C

HAPTER

4: C

ONFIGURING

THE

S

WITCH

Detail

Use the Detail tab to display detailed spanning tree
information for a port.

Figure 44 Spanning Tree Detail Screen

Setup

Use the Setup tab to configure the spanning tree
settings for each port. The following options are
available:

Status – Enables and disables spanning tree for the
port.

Edged Port – Enables and disables edged port for
the port.

Link Type – Choose between Point-to-Point, Shared,
or Auto for the link type.

Path Cost – The path cost is used to determine the
best path between devices. The path cost method is

used to determine the range of values that can be
assigned to each interface.

Port Priority – Used in selecting the root device, root
port, and designated port. The device with the
highest priority becomes the STA root device.
However, if all devices have the same priority, the
device with the lowest MAC address will then
become the root device.

If you modify any of these settings, click Apply to save
your changes.

Figure 45 Spanning Tree Setup Screen

Port Mirroring

The Switch allows you to monitor traffic going in and
out of a particular port. For traffic monitoring to work,
you need to attach a network analyzer to one port and
use it to monitor the traffic of other ports in the stack.

To set up traffic monitoring, you need to set an analysis
port (the port that is connected to the analyzer), and a
monitor port (the port that is to be monitored). Once

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