SMC Networks SMC8606T manual Using a Port Mirror for Analysis

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Using a Port Mirror for Analysis

You can mirror traffic from any source port to a target port for real-time analysis. You can then attach a network sniffer or RMON probe to the target port and study the traffic crossing the source port in a completely unobtrusive manner. When mirroring port traffic, note that the target port must be configured in the same VLAN and be operating at the same duplex mode as the source port (see VLAN Static List on page 3-38).

You can use the port mirror configuration screen to designate a single port pair for mirroring as shown below:

Parameter	Description
Status	Enables/disables port mirroring.
Mirror Source	The port whose traffic will be monitored.
Port
Mirror Target Port	The port that will duplicate or “mirror” all the traffic
	happening on the monitored port.

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