ALSO CALLED: Networkmonitor, Network Traffic Monitoring, Network Behavior Monitoring, Monitoring Network, and Network Performance Monitoring DEFINITION: Port mirroring, also known as a roving analysis port, is a method of monitoring network traffic that forwards a copy of each incoming and outgoing packet from one port of a network switch to another port where the packet can be studied. A network administrator
… Definition continues below.
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NETWORK MONITORING DEFINITION (continued): … uses port mirroring as a diagnostic tool or debugging feature, especially when fending off an attack. It enables the administrator to keep close track of switch performance and alter it if necessary. Port mirroring can be managed locally or remotely.
An administrator configures port mirroring by assigning a port from which to copy all packets and another port where those packets will be sent. A packet bound for or heading away from the first port will be forwarded onto the second … Network Monitoring definition sponsored by SearchNetworking.com, powered by WhatIs.com an online computer dictionary
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