BayStack 450 10/100/1000 Series Switches309978-D Rev 01 1-97Port Mirroring (Conversation Steering)The port mirroring feature (sometimes referred to as conversation steering) allowsyou to designate a single switch port as a traffic monitor for up to two specifiedports or two media access control (MAC) addresses.You can designate one of your switch ports to monitor traffic on any two specifiedswitch ports (port-based) or to monitor traffic to or from any two specifiedaddresses that the switch has learned (address-based).The following sections provide sample configurations for both monitoring modesavailable with the Port Mirroring feature:• Port-based mirroring• Address-based mirroringA sample Port Mirroring Configuration screen accompanies each networkconfiguration example. Note that the displayed screens do not show all of thescreen prompts that precede some actions.For example, when you configure a switch for port mirroring or when you modifyan existing port mirroring configuration, the new configuration does not takeeffect until you respond [Yes] to the following screen prompt:Note: A probe device, such as the Nortel Networks StackProbe* or equivalent,must be connected to the designated monitor port to use this feature (contactyour Nortel Networks sales agent for details about the StackProbe).Is your port mirroring configuration complete? [ Yes ]