Network Configuration and Troubleshooting: Hands-On

You Will Learn How To

Configure, maintain and troubleshoot multiple network configurations
Configure and test network adapters for optimum LAN performance
Install a switched network with VLANs
Access and secure your wireless network
Manage IP address assignments and subnetting
Identify and resolve application layer issues using protocol analysis

Course Benefits

Providing users with constant access to critical data is essential for the success of today's rapidly evolving networks. In this course, you gain the skills necessary to configure networks and resolve problems related to cables, wireless connections, protocols and applications. You learn to configure, maintain and troubleshoot networks using a comprehensive set of tools and techniques.

Who Should Attend

Anyone involved in designing, configuring, installing or maintaining a network. Networking experience at the level of Course 450, "Networking Comprehensive Introduction", or equivalent knowledge is assumed.

Hands-On Training

You gain hands-on experience configuring and troubleshooting a network. Exercises include:

Testing cables and connections using a cable scanner
Diagnosing cable and connection configuration to ensure operation
Analysing traffic with Wireshark
Upgrading to a switched network
Implementing VLANs and 802.1X
Troubleshooting Virtual Machines
Setting up a wireless network
Allocating an IP address with DHCP
Interpreting a routing table
Troubleshooting name resolution

Course Content

Networking Overview

Fundamentals of a network

Types of networks
Hardware and software

Applying the OSI model to troubleshooting

The seven-layer model
Executing a troubleshooting methodology
Employing fault isolation at each layer

Connecting the Physical Layer

Distinguishing media terminology

Twisted pair
Fibre
Wireless
EIA/TIA standards

Cabling and port configuration

Strategies for successful configuration
Validating wiremap with cable scanner
MDI/MDI-X port configuration
Specifying various Fibre types

Building the Data Link Layer

Working with network adapters

Designating Layer 2 MAC address
Demystifying access methods: Collision Detection/Avoidance
Displaying NIC configuration

Assessing LAN topologies

Logical and physical topologies
Star
Hybrid
Mesh

LAN and WAN standards at Layer 2

802 standards
Wireless
Fast and Gigabit Ethernet
xDSL
Cable modem
Frame Relay
ATM

Interfacing with the network

Testing speed and duplex settings
Authenticating using 802.1X and EAP

Switching at the Data Link Layer

Analysing protocols

Differentiating between Ethernet and 802.3 frame formats
Choosing a hardware or software analyser
Capturing and filtering traffic with Wireshark

Solving network congestion

Deploying switches
Interpreting Layer 2 traffic
Upgrading to a switch

Implementing VLANs

Defining the VLAN
Interconnecting VLANs across switches
Port tagging with 802.1Q

Wireless Networking

Traversing the wireless topology

Network types and standards
Selecting infrastructure or ad hoc mode
IBSS
BSS
ESS

Building the wireless network

Setting up the access point
Configuring the SSID on a client
Securing the wireless traffic

Integrating the Network and Transport Layers

The role of TCP/IP

The TCP/IP protocol suite
OSI model vs. TCP/IP model

Configuring IP addresses

Characterising NetID and HostID
Public vs. private addresses
Allocating addresses with DHCP
Managing addresses with ifconfig/ipconfig
Resolving address conflicts

Enabling the routing function

Subnetting and the adjacency test
Interpreting a routing table

Investigating protocol headers

TCP
UDP
IP
ARP
ICMP
Identifying common protocol issues

Troubleshooting the Application Layer

Managing OS functions

File
Print
Messaging
Database

Fine-tuning network services

DNS
Web services
Debugging name resolution with nslookup

Managing Your Network

Identifying network management components using SNMP
Querying the MIB for device status

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