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UDLD – UniDirectional Link Detection

Enterprise Infrastructure
UDLD is a Cisco proprietary Layer 2 protocol that monitors the state of a port to validate bidirectional communication. Recall that each port in a switch is bidirectional, ...
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LLDP – Link Layer Discovery Protocol

Enterprise Infrastructure
LLDP is similar to the CDP protocol but is based on the IEEE 802.1ab standard. The great advantage of LLDP is that it works on multi-vendor networks. Information ...
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