CLI
Management Guide
TigerAccess™ EE
110
SMC7824M/VSW
5.4 Port
Mirroring
Port mirroring is the function of monitoring a designated port. Here, one port to monitor is
called monitor port and a port to be monitored is called mirrored port. Traffic transmitted
from mirrored port are copied and sent to monitor port so that user can monitor network
traffic.
The following is a network structure to analyze the traffic by port mirroring. It analyzes
traffic on the switch and network status by configuring Mirrored port and Monitor port
connecting the computer, that the watch program is installed, to the port configured as
Monitor port.
Mirrored Ports 1,2,3
Monitor Port
Monitoring
Fig. 5.5
Port Mirroring
To configure port mirroring, designate mirrored ports and monitor port. Then enable port
mirroring function. Monitor port should be connected to the watch program installed PC.
You can designate only one monitor port but many mirrored ports for one switch.
Step 1
Activate the port mirroring, using the following command.
Command Mode
Description
mirror enable
Bridge
Activates port mirroring.
Step 2
Designate the monitor port, use the following command.
Command Mode
Description
mirror monitor
{
PORTS
|
cpu
}
Bridge
Designates the monitor port.
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