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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
Category Archives: IP Addressing
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