Wireshark Fundamentals
Day 1
Overview of Internetworking with TCP/IP
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Where Devices fit into Protocol Stacks
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The “Internet”
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The Internet Architecture Board
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Internetworking with TCP/IP
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TCP/IP Architecture and Terminology
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Encapsulation within TCP/IP
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De-encapsulation with TCP/IP
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Headers within TCP/IP
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Ethernet and IEE 802.3 Frames
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Addressing Concepts – Source Host LAN
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Addressing Concepts – Internet
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Addressing Concepts – Destination Host LAN
The Internet (IP) Layer
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The Internet Protocol (IP)
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The IP Header
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The IP Address
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Hierarchy in the IP Address
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IP Address Classes
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Human Readable IP Addresses
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Domain Name Service (DNS)
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Specifying an IP Address
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IP Addressing via DHCP Server
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DHCP Address Acquisition States
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Function of the Address Mask
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The Network Mask
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ICMP Overview
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Ping
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Loop Back Address
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IP Address and MAC Address
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Address Resolution Protocol (ARP)
Day 2
Ethernet LAN’s and Switches
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LAN Definition
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LAN Topologies
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LAN Standards (including VLANs VLAN trunking etc)
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Ethernet and IEEE 802.3 Frames
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LAN Addressing
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LAN RJ 45 Cable Categories
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CSMA/CD and duplex settings
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Bridges and Switches
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Understanding the MAC address table in a switch
Spanning Tree Protocol
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Spanning Tree Protocol – 802.1d
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Loops without STP
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Improper placement of Root Bridge
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Proper Placement of Root Bridge
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Bridge Protocol Data Unit – BPDU
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802.1d STP Port States (blocking of ports at Layer 2 in the OSI model)
Configuring and testing VLANs
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Traditional Routed Network
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Traditional Switched Networks
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The VLAN Solution
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Grouping Switch Ports to VLAN’s
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Forwarding Ethernet Frames within a VLAN
Day 3
Routers, L3 Switches and Inter-VLAN routing
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IP Router Function
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Understanding the IP Routing Table
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Traceroute
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Routing between VLAN’s and static routing
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Building, configuring and testing IP routing across VLANs and using static routing