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- Create Date July 26, 2026
- Last Updated July 26, 2026
Cisco Discovery Protocol (CDP) Profile
The Cisco Discovery Protocol (CDP) Wireshark Profile is designed to make CDP traffic faster and easier to analyze. Rather than manually building filters and columns each time you open a capture, this profile provides a ready-to-use workspace focused on Cisco device discovery, neighbor identification, interface information, platform details, software versions, device capabilities, VLAN assignments, duplex settings, power information, TTL values, and CDP errors. Preconfigured display-filter buttons help you quickly isolate switches, routers, IP phones, native VLAN advertisements, voice VLAN information, power-over-Ethernet details, older CDP versions, malformed packets, and other conditions that may require closer investigation.
What is in it for you? This profile saves setup time, improves consistency, and helps turn CDP packets into useful network intelligence. You can quickly identify connected Cisco devices, verify which interfaces are linked, document network topology, discover unexpected neighbors, validate voice and native VLAN settings, spot duplex or MTU anomalies, review advertised software versions, and investigate suspicious or malformed CDP traffic. Whether you are troubleshooting a connection, documenting an unfamiliar network, teaching packet analysis, or performing a security assessment, this profile gives you a practical CDP-focused toolkit that helps you move from packet capture to meaningful conclusions more efficiently.