UniDirectional Link Detection - license - 1 license

Mfg.Part: AT-FL-XS9X-UDLD | CDW Part: 5633847 | UNSPSC: 43232804
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UniDirectional Link Detection - license - 1 license
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UniDirectional Link Detection (UDLD) is useful for monitoring fiber-optic links between two switches that use two single-direction fibers to transmit and receive packets. UDLD prevents traffic from being sent across a bad link by blocking the ports at both ends of the link in the event that either the individual transmitter or receiver for that connection fails.