The documents shown on this page cover both specific Network Engineer certifications and fundamentals concepts. Please keep the following disclaimerin mind when reviewing these notes.
CCNA Study Notes: These are my original CCNA Routing and Switching Study notes (from around 2009). They are good bullet point summaries of some of the topics covered. Download CCNA Summary Notes
CCNP Service Provider Study Requirements (legacy): I recently completed my CCNP SP. When I made this document, I had already done one of the four necessary exams (SPROUTE 642-883), but found it difficult to source the necessary study material. As such, I made a spreadsheet listing the syllabus from the Cisco sitefor each of the other 3 exams, combined with the material (including book title and page number/chapter) needed to fulfil those requirements. (Please note this curriculum covers the version of CCNP Service Provider prior to the changes that Cisco were introducing in February of 2020)
TCP/IP vs OSI Comparison: A simple comparison of the TCP/IP and OSI Protocol Stacks.
Packet Structure: This document gives a clear breakdown of layers 2 to 4 when looking at a packet.
MTU between IOS and XR: Both IOS and XR handle MTU configurations differently and this can cause mix-ups. This document is designed to clarify that confusion and show how the different implementations compare.
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