Cisco CCNA Exam Tutorial: Route Summarization
To earn your CCNA, youve got to be a master of route summarization. Learn the details that will help you master this skill from Chris Bryant, CCIE #12933.
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Preparing to pass the CCNA exam and earn this important Cisco certification? Route summarization is just one of the many skills you'll have to master in order to earn your CCNA. Whether it's RIP version 2, OSPF, or EIGRP, the CCNA exam will demand that you can flawlessly configure route summarization.
Route summarization isn't just important for the CCNA exam. It's a valuable skill to have in the real world as well. Correctly summarizing routes can lead to smaller routing tables that are still able to route packets accurately - what I like to call "concise and complete" routing tables.
The first skill you've got to have in order to work with route summarization is binary math; more specifically, you must be able to take multiple routes and come up with both a summary route and mask to advertise to downstream routers. Given the networks 188.8.131.52 /16, 184.108.40.206 /16, 220.127.116.11 /16, and 18.104.22.168 /16, could you quickly come up with both the summary address and mask? All you need to do is
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