port mirroring

(redirected from Port spanning)

port mirroring

Cross connecting two or more ports on a network switch so that traffic can be simultaneously sent to a network analyzer or monitor connected to another port. Also called "port spanning." See network analyzer and RMON.
References in periodicals archive ?
Support of all features included in Cisco%s Enterprise IOS software including Vlans, VOIP support, Port Spanning, etc.
Technology used by Greenline involving port spanning or network tap devices can measure latency without distorting measurements.
A second option is to use Guardium's S-TAP[TM] software probe to monitor all database traffic on database servers themselves, which is particularly useful "where switch port spanning is not possible.