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Category Archives: IP Addressing

Practical OSI Layers – Part 2

Posted on March 10, 2014 by peterMay 17, 2015
1

In the previous post, we took a look at the basics of the OSI and TCP/IP model layers. In this post we are going to take a closer look at end to end routing of a packet, and the interaction … Continue reading →

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Posted in CCNA Level, IP Addressing, Routing, Security | 1 Reply

Basic Subnetting Trick

Posted on May 9, 2008 by PeterMay 9, 2008
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This is good for Cisco exams, and work, if you ever need to figure out subnets on paper.  To figure out the valid addresses in a subnet:  Take the octet that is not 0 or 255, for example starting with … Continue reading →

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Posted in CCNA Level, IP Addressing | Leave a reply
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