short UDLD note

UDLD supports two modes of operation: normal (the default) and aggressive. In normal mode, UDLD detects unidirectional links due to misconnected interfaces on fiber-optic connections. In aggressive mode, UDLD also detects unidirectional links due to one-way traffic on fiber-optic and twisted-pair links and due to misconnected interfaces on fiber-optic links.

Published by

Michel van Kessel

Specialist in Data Center Infrastructure Designs and Cloud Designs. CCIE Data Center #44197 #CiscoChampion

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