| Preparing to pass the CCNA exam and earn this | | | | with route summarization is binary math; more |
| important Cisco certification? Route summarization | | | | specifically, you must be able to take multiple |
| is just one of the many skills you'll have to | | | | routes and come up with both a summary route |
| master in order to earn your CCNA. Whether it's | | | | and mask to advertise to downstream routers. |
| RIP version 2, OSPF, or EIGRP, the CCNA exam | | | | Given the networks 100.16.0.0 /16, 100.17.0.0 /16, |
| will demand that you can flawlessly configure | | | | 100.18.0.0 /16, and 100.19.0.0 /16, could you quickly |
| route summarization. | | | | come up with both the summary address and |
| Route summarization isn't just important for the | | | | mask? All you need to do is break the four |
| CCNA exam. It's a valuable skill to have in the real | | | | network numbers down into binary strings. We |
| world as well. Correctly summarizing routes can | | | | know the last two octets will all convert to the |
| lead to smaller routing tables that are still able to | | | | binary string 00000000, so in this article we'll only |
| route packets accurately - what I like to call | | | | illustrate how to convert the first and second |
| "concise and complete" routing tables. | | | | octet from decimal to binary. |
| The first skill you've got to have in order to work | | | | |