CCIE R&S 400-101 V5.1 Written Exam: Implement and Troubleshoot Layer 2 Protocols

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CCIE R&S 400-101 V5.1 Written Exam: Implement and Troubleshoot Layer 2 Protocols

In this article, I will be discussing Cisco Implement and Troubleshoot Layer 2 Protocols as part of Layer 2 Technologies and LAN Switching Technologies CCIE Routing and Switching (R&S) V5.1 exam blueprint topics.

LAN Switching Technologies

  • Implement and Troubleshoot Layer 2 Protocols
    • CDP, LLDP
    • UDLD

Let me summarize some of the key takeaways related to Implement and Troubleshoot Layer 2 Protocols as relevant to CCIE Routing and Switching (R&S) V5.1 written exam blueprint topics.

Implement and Troubleshoot Layer 2 Protocols Exam Essentials

  • There are four mandated TLVs for LLDP. It may also include optional TLVs.
  • UDLD is a Layer 2 (L2) protocol that works with the Layer 1 (L1) mechanisms to determine the physical status of a link. It detects failure or faults at OSI Layer 1 (physical layer).

I sincerely hope that you found this article and video helpful. Please post your questions or suggestions in the comments and tell me how you are preparing for your CCIE Routing and Switching (R&S) V5.1 written and lab exams.

 

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