User’s Manual of WGSD-1022/WGSD-8000

4.12.5 Port Mirroring

Port mirroring monitors and mirrors network traffic by forwarding copies of incoming and outgoing packets from one port to a monitoring port. Port mirroring can be used as diagnostic tool and/or a debugging feature. Port

mirroring also enables switch performance monitoring (refer to figure 4-72).

Network administrators configure port mirroring by selecting a specific port to copy all packets, and different ports from which the packets are copied.

Figure 4-72Port Mirroring screen

The page contains the following fields:

•Source Port

•Type

Defines the port to which traffic is mirrored.

Indicates the port mode configuration for port mirroring. The possible field values are:

•RxOnly, defines the port mirroring on receiving ports. This is the default value.

•TxOnly, defines the port mirroring on transmitting ports.

•Both, which defines the port mirroring on both receiving and transmitting ports. Target Port, defines the port from which traffic is mirrored.

4.12.6 Cable Test

The Cable Test screen (see figure 4-73) shows you results from performance tests on copper cables. The maximum cable length that can be tested is 120 meters. Cables are tested when the ports are in the down state, except for the Approximate

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