Port Mirroring - 3Com OfficeConnect 3CDSG8 User Manual

Ports
groups can also keep the network from unnecessary traffic by restricting the packet destination.
The same setting is applied to all the ports on the switch.
• Type – List the type of traffic which can be rate limited, including ICMP, learn frames,
broadcast, multicast and flooded unicast frames.
• Enable Storm Control – Click the check box to enable storm control for the specific
frame type.
• Rate(number of frames per second) – The Rate field is set by a single drop-down list. The
same threshold is applied to every port on the switch. When the threshold is exceeded,
packets are dropped, irrespective of the flow-control settings.
There are three main buttons associated with this page:
• HELP - Displays this text.
• APPLY - Updates the switch configuration. No changes are made to the configuration
until this button is pressed.
• CANCEL - All changes made to the page are discarded and the switch configuration
remains unchanged.

5.3 Port Mirroring

This page allows you to copy (mirror) incoming packets on multiple ports to a single port. This
can be useful for diagnosing problems. The page is split into two sections:
• Port to Mirror to - Choose the destination port. All the mirrored packets will be sent to
the selected port.
• Ports to Mirror - The front-panel port number.
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