Cisco Network Time Protocol Configuration

As discussed in the previous Network Time Protocol (NTP) concepts article, the configuration of NTP is not overly complex. The first thing that needs to be determined is the method of NTP operation that best fits the requirements for the target network; once this decision has been made, the steps shown in this article can be […]

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Understanding Cisco Network Time Protocol Concepts

One of the new topics that has (up to this point) not been covered on Cisco’s CCNA level exams has been the Network Time Protocol (NTP). Time synchronization is used within a network for two main purposes: to maintain very high accuracy synchronization between Time Division Multiplexing (TDM) nodes and to maintain clock time between […]

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Advanced IPv4 Concepts and Examples

This article includes a longer discussion of how subnetting is used to separate a larger address space into smaller pieces for more efficient assignment and routing. This will include a discussion of how to perform the binary math that is required for more complex subnetting. This article is a continuation of where “IP Subnetting Basics” […]

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Creating a Basic IP Addressing Scheme

This article puts together an IP addressing scheme based on the requirements of an imaginary organization. The math that is required to come up with each of the networks will be covered and visually displayed to ensure that the concepts are clearer to understand. In an effort to take the concepts that were covered in […]

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Preparation Steps Required to Manage a Cisco Device

One of the first and most important things that a new engineer needs to learn is how to connect to a Cisco device. There are a number of different methods that are available to an engineer who wants to manage a Cisco device; these include connection through the console port (RJ-45 or USB), TELNET, SSH, […]

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Network Verification Commands Review

When working with Cisco equipment, there are a number of different commands that an engineer must be familiar with to figure out the current status of the device. Which ones to use depend on the specific type of operation being tested. This article takes a look at some of the most basic network verification commands […]

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