SMC Networks 8606T, Management Manual

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Using a Mirror Port 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 as the source port (see “Configuring Virtual LANs” on page
2-55).
You can use the Mirror Port Configuration screen to designate a
single port pair for mirroring as shown below:
SMC TigerSwitch 1000 Local Management -- SMC8606T
< Mirror Port Configuration >
Mirror Source Port : Port 1
Mirror Target Port : Port 2
Status : DISABLED
<APPLY> <OK> <CANCEL>
Use <TAB> or arrow keys to move, other keys to make changes.
Parameter Description
Mirror Source Port The port whose traffic will be monitored.
Mirror Target Port The port that will duplicate or “mirror” all the
traffic happening on the monitored port.
Status Enables or disables the mirror function.