For some time, I believed a companion post to Understanding MSTP is required in order to completely cover all aspects of MSTP. The post should discuss convergence mechanisms employed in RSTP, which is a part of MSTP implementation. When I started that blog post originally, it appeared that it would be beneficial covering STP convergence mechanics beforehand. Word by word, the tutorial evolved into a document over 30 pages of size. In addition to this fact, many readers have been asking for PDF versions of my blog posts, and so I finally decided to make the new one entirely in PDF. You may find the link below:
The blos post discusses many aspects affecting STP and RSTP convergence processes and outlines some problems found in RSTP. Unlike many previous post, this one is entirely theoretical, and does not feature any hands-on configuration sections. However, I believe it is still helpful in closing some gaps of fundamental Layer 2 protocol understanding. Have fun reading!
About Petr Lapukhov, 4xCCIE/CCDE:
Petr Lapukhov's career in IT begain in 1988 with a focus on computer programming, and progressed into networking with his first exposure to Novell NetWare in 1991. Initially involved with Kazan State University's campus network support and UNIX system administration, he went through the path of becoming a networking consultant, taking part in many network deployment projects. Petr currently has over 12 years of experience working in the Cisco networking field, and is the only person in the world to have obtained four CCIEs in under two years, passing each on his first attempt. Petr is an exceptional case in that he has been working with all of the technologies covered in his four CCIE tracks (R&S, Security, SP, and Voice) on a daily basis for many years. When not actively teaching classes, developing self-paced products, studying for the CCDE Practical & the CCIE Storage Lab Exam, and completing his PhD in Applied Mathematics.
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