H3C Technologies H3C WX6000 Series Access Controllers - Manual (Page 457)

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Port Mirroring Configuration
The term switch in this document refers to a switch in a generic sense or an access controller
configured with the switching function unless otherwise specified.
When configuring port mirroring, go to these sections for information you are interested in:
z
Introduction to Port Mirroring
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Configuring Local Port Mirroring
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Configuring Remote Port Mirroring
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Displaying Port Mirroring
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Port Mirroring Configuration Examples
Introduction to Port Mirroring
Port mirroring allows you to duplicate the packets passing specified ports to the destination mirroring
port. As destination mirroring ports usually have data monitoring devices connected to them, you can
analyze the packets duplicated to the destination mirroring port on these devices so as to monitor and
troubleshoot the network.
Figure 50-1 A port mirroring implementation
Host
Data monitoring device
Network
Source
mirroring port
Destination
mirroring port
Classification of Port Mirroring
There are two kinds of port mirroring: local port mirroring and remote port mirroring.