MANAGING SWITCH
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4.5.2 Port Mirror
Port mirroring function allows the sending of a copy of network packets seen on one switch
port to a network monitoring connection on another switch port. Port mirroring can be used
to analyze and debug data or diagnose errors on a network or to mirror either inbound or
outbound traffic (or both).
There are no preset values in the Port Mirror. The displayed values do not represent the
actual setting values.
To access this page, click L2 Switching > Port Mirror.
Figure 4-16. L2 Switching > Port Mirror
The following table describes the items in the previous figure.
The ensuing table for Mirror Status settings are informational only: Session ID, Destination
Port, Ingress State, Source TX Port and Source RX Port.
Table 4-14. L2 Switching > Port Mirror
Item Description
Session ID Click the drop-down menu to select a port mirroring session from the list.
The number of sessions allowed is platform specific.
Monitor session state Click the drop-down menu to enable or disable the session mode for a
selected session ID.
Destination Port Click the drop-down menu to select the destination port and receive all the
traffic from configured mirrored port(s).
Allow-ingress Click the drop-down menu to enable or disable the Allow-ingress function.
Sniffer RX Ports Enter the variable to define the RX port.
Sniffer TX Ports Enter the variable to define the TX port.
Apply Click Apply to save the values and update the screen.