Allied Telesis Switch AT-S110 Instrukcja Użytkownika Pobierz pdf (Strona 114)

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Chapter 8: Port Mirroring

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Overview

The port mirroring feature allows you to unobtrusively monitor the traffic

received and transmitted on one or more ports by copying the traffic to

another switch port. You can connect a data analyzer to the port where the

traffic is copied and monitor the traffic on the other ports without impacting

network performance or speed.

A port mirror has two component ports. The port or ports whose traffic you

want to mirror is called the source port(s). The port where the traffic will be

copied to is called the mirroring port.

Observe the following guidelines when you create a port mirror:

 You can select more than one source port at a time.

However, the more ports you mirror, the less likely the

mirroring port is able to handle all the traffic. For

example, if you mirror the traffic of six heavily active

ports, the destination port is likely to drop packets,

meaning that it does not provide an accurate mirror of

the traffic of the six source ports.

 The source and mirror ports must be located on the

same switch.

 You can mirror the ingress or egress traffic of the

source ports or both.

 While the Mirroring feature is enabled, the mirroring

port is dedicated to monitoring the traffic from the

source ports and cannot used for regular network

operations.

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