Not only are discovery protocols covered on Cisco testing, but they are an extremely useful tool used when troubleshooting.
- [Instructor] The proprietary cisco discovery protocol, … when enabled, discover some standard information … about neighboring cisco devices. … CDP messages are sent out active interfaces, … regularly sharing the following information. … Device identifier, which is the host name, … address list, which is the network and MAC addresses, … port identifier, which is the interface name … that is sending the message, … capabilities list, which is basic info … on the device type, say router, switch, phone, etc. … Platform displays the model … and level of operating system on the device. … CDP serves a couple of roles in the network. … One, is information to devices, … and the other is information to engineers. … For example, cisco IP phones, … use CDP to determine what the voice … and data VLAN ID's are. … Supplying information to engineers … is simply done with show CDP neighbors. … If more information is desired, … the engineer cornishway shows CDP neighbor detail. … This command will show the full set of information learned. …
Note: A complete overview of the exam and registration instructions can be found at https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/ccna-200-301.html.
- Network models
- Network components
- Troubleshooting the interface and cable issues
- Configuring IPv4 and IPv6 addressing
- Switching concepts
- Switching configuration
- Wireless architectures
- Wireless security
Skill Level Intermediate
Networking Foundations: IP Addressingwith Timothy Pintello2h 35m Intermediate
1. Network Fundamentals
2. Network Access
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