
Chapter 6: Port Mirroring
68 Section I: Using the Menus Interface
Port Mirroring Overview
The port mirroring feature allows you to unobtrusively monitor the ingress
and egress traffic on a port by copying the traffic to another port. You can
connect a network analyzer to the port where the traffic is being copied to
and monitor it without impacting performance or speed.
The port whose traffic you want to mirror is called the mirrored port. The
port where the traffic will be copied to is called the mirroring port.
Observe the following guidelines when using this feature:
You can mirror only one port at a time.
The mirrored and mirroring ports must be on the same switch.
This feature copies both the ingress and egress traffic of the mirrored
port.
The mirroring port cannot be used for normal Ethernet switching.
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