No matter the type of host, any host that uses IPv4 needs four IPv4 settings to work properly: IP address Subnet mask Default routers DNS server IP addresses In particular,…Continue readingDHCP and IP Networking on Hosts
Each IP route lists: a destination, an IP network, IP subnet, or some other group of IP addresses. Each route also lists instructions that tell the router where to forward packets…Continue readingConfiguring IPv4 Addresses and Static Routes
Differences between routers and switches: One minor difference between Cisco switches and routers is that routers support a much wider variety of interfaces. Today, LAN switches support Ethernet LAN interfaces…Continue readingChapter 17 – Operating Cisco Routers
Subnet mask conversion: Subnet masks can be written as 32-bit binary numbers, but not just any binary number. The value must not interleave 1s and 0s. If 1s exist, they…Continue readingChapter 15 – Analyzing Subnet Masks
This section reviews the concepts of classful IP networks (A,B,C) Chapter examines how to begin with a single IP address and then determine the following facts: Class default mask number…Continue readingChapter 14 – Analyzing IPv4 Networks
Subnetting defined through simple example: An IP network is simply a set of consecutively numbered IP addresses that follows some preset rules Class B network 172.16.0.0 consists of all IP…Continue readingChapter 13 – Perspectives on IPv4 Subnetting
The chapter focuses on the processes of verification and troubleshooting Verification refers to the process of confirming whether a network is working as designed Troubleshooting refers to the follow-on process…Continue readingChapter 12 – Troubleshooting Ethernet LANs
Analyzing collision domains and broadcast domains Collision domain Broadcast domain Ethernet collision domains Term that has been used in the past, but nowadays with modern LANs, properly done LAN can…Continue readingChapter 10 – Analyzing Ethernet LAN Designs
