Guidelines for Selecting a Troubleshooting Method (36.1.5) To quickly resolve network problems, take the time to select the most effective network troubleshooting method. Figure 36-4 illustrates which method could be used when a certain type of problem is discovered. Figure 36-4 Selecting a Troubleshooting Method For instance, software problems are often solved using a top-down…
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Troubleshoot Common Network Problems
ObjectivesUpon completion of this chapter, you will be able to answer the following questions: Introduction (36.0) Diego has completed her task of designing and setting up a new branch network. He will need to test it, and if there are problems, she will diagnose and fix them. I want to know how to test, diagnose,…
Structured Troubleshooting Methods
Structured Troubleshooting Methods (36.1.4) There are several structured troubleshooting approaches that can be used. Which one to use will depend on the situation. Each approach has its advantages and disadvantages. This section describes methods and provides guidelines for choosing the best method for a specific situation. Bottom-Up In bottom-up troubleshooting, you start with the physical…
Summary – 100-150 Exam Study Guide
Summary (35.6) The following is a summary of each topic in the chapter and some questions for your reflection. What Did I Learn in This Chapter? (35.6.1) • Cisco Switches—A switch is used to connect devices on the same network. A router is used to connect multiple networks to each other. When selecting a switch…
Router Boot Process – 100-150 Exam Study Guide
Router Boot Process (35.5) Since the router is just a specialized computer, the boot process is the same as most computers. Power Up the Router (35.5.1) Before beginning any equipment installation, it is important to be sure to read the Quick Start guide and other documentation that is included with the device. The documentation contains…
IOS Startup Files – Cisco 100-150 Study Course
IOS Startup Files (35.3.4) As shown in Figure 35-16, a Cisco device loads the following two files into RAM when it is booted: • IOS image file—The IOS facilitates the basic operation of the device’s hardware components. The IOS image file is stored in flash memory. • Startup configuration file—The startup configuration file contains commands…
Switch Boot Process – Cisco 100-150 Study Course
Switch Boot Process (35.3) Cisco switches go through a boot process similar to that of your computer or smartphone. Ethernet switches in small networks usually do not require any configuration. They are designed to work “right out of the box.” Power Up the Switch (35.3.1) Cisco switches, like most switches, are preconfigured to operate in…
Memory Buffering on Switches
An Ethernet switch may use a buffering technique to store frames before forwarding them. Buffering may also be used when the destination port is busy because of congestion. The switch stores the frame until it can be transmitted. As shown in Table 35-1, there are two methods of memory buffering. Table 35-1 Memory Buffering Methods…
Switch Speeds and Forwarding Methods
Switch Speeds and Forwarding Methods (35.2) Switches may have the capability to implement various forwarding methods to increase performance. Frame Forwarding Methods on Cisco Switches (35.2.1) As you learned previously, switches use their MAC address tables to determine which port to use to forward frames. With Cisco switches, there are actually two frame forwarding methods…
Cisco LAN Switches – Cisco 100-150 Study Course
Cisco LAN Switches (35.1.2) When a LAN grows to the point where the four Ethernet ports provided by the wireless router are not enough for all of the devices that need to attach to the wired network, it is time to add a LAN switch to the network. A switch can provide connectivity at the…