Day 13. CDP and LLDP
CCNA 200-125 Exam Topics
Configure and verify Layer 2 protocols
Key Topics
Cisco Discovery Protocol (CDP) is a Cisco proprietary Layer 2 protocol used to gather information about Cisco devices on the same data link. Cisco devices also support Link Layer Discovery Protocol (LLDP), which is a standards-based neighbor discovery protocol similar to CDP. Today we review the configuration and verification of CDP and LLDP.
CDP Overview
As Figure 13-1 shows, CDP sends advertisements to directly connected devices.
Figure 13-1 ...
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