Alcatel-Lucent OmniSwitch 6800 Series Network Configuration Manual page 814

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Port Mirroring

The diagram on the following page illustrates how port mirroring can be used with an external RMON

probe to copy RMON probe frames and Management frames to and from the mirroring and mirrored ports.

Frames received from an RMON probe attached to the mirroring port can be seen as being received by the

mirrored port. These frames from the mirroring port are marked as if they are received on the mirrored

port before being sent over the switch backplane to an NMS station. Therefore, management frames

destined for the RMON probe are first forwarded out of the mirrored port. After being received on the

mirrored port, copies of the frames are mirrored out of the mirroring port—the probe attached to the

mirroring port receives the management frames.

NMS Workstation

B. ...appear to come from the mirrored port

when the NMS Workstation receives them.

C. Management frames from the NMS Workstation are sent to the mirrored port....

NMS Workstation

Mirrored Port

Port Mirroring Using External RMON Probe

OmniSwitch 6800/6850/9000 Network Configuration Guide

Diagnosing Switch Problems

A. RMON probe frames sent from the mirroring port

Mirroring Port

D. ...and port mirroring sends copies of the

Management frames to the mirroring port.

Mirroring Port