LinuxCBT - IPv4 Edition

LinuxCBT IPv4 Edition focuses exclusively on the established Internet Protocol Version 4 (IPv4) and its ancillary components: TCP, UDP, ICMP, ARP, etc.
Course Objective

Network - Visio Drawing - Topology Overview
Explore classroom environment
Discuss the protocols used
Identify key infrastructure devices
Explain network topology - Visio
Discuss the IPv4 RFC-1918 Intranet & DMZ configuration

Open Systems Interconnect (OSI) & TCP/IP|DOD Networking Models
Discuss the OSI model
Identify key IP-related services at various layers of the OSI model
Explain Protocol Data Unit (PDU) framing at various OSI levels
Discuss the DOD model
Correlate TCP/IP|DOD model to the OSI model
Identify and discuss key IPv4 layers of both networking models

IPv4 Characteristics
Discuss the history of IPv4
Explain the flow of traffic in a typical IPv4 environment
Explain IPv4 multiplexing
Explore IPv4 packet structure
Use WireShark to decode IPv4 packets

Address Resolution Protocol (ARP)
Discuss the utility of ARP
Discuss Layer-2 networking
Generate ARP request/response pairs
Examine ARP request/response pairs using WireShark
Broadcast/Unicast discussion

IPv4 Packet Structure
Generate and analyze typical IPv4 packets
Discuss IP datagrams and packets
Compare and contrast packets
Discuss MTUs and fragmentation
Generate standard and fragmented packets
Explore packets using WireShark

IPv4 Address Space
Explain bit range of IPv4 addresses
Examine specific addresses and discuss
Discuss networking rules related to IPv4
Relate IPv4 addresses to classroom topology

Subnet Mask
Examine common subnet mask configurations
Explain the purpose of subnet masks
Apply concepts to classroom topology

Subnetting
Discuss benefits
Explain subnetting rules
Subnet classroom topology
Subnet other common network prefixes

TCP Packet Structure
Enumerate typical TCP header fields
Explain TCP multiplexing
Discuss sockets
Explore TCP segmentation
Generate TCP packets
Analyze TCP packets using WireShark
Compare and contrast TCP packets

UDP Packet Structure
Discuss benefits of UDP
Generate UDP traffic
Explore typical UDP packet structure

ICMP Packet Structure
Discuss benefits of ICMP
Generate ICMP traffic using common tools
Intercept and process ICMP traffic using WireShark
Peruse ICMP packets
Compare and contrast ICMP traffic

IPv4 Routing Headers
Discuss router modifications to traffic
Consider Layer-2 implications
Generate routed traffic into DMZ
Intercept with WireShark and explore modifications across routed interfaces
Contrast routed packets to non-routed packets

Subnet Resize
Discuss applicability and set the configuration scenario
Shift hosts between subnets and attempt communications
Discuss successes and failures
Resize subnets to accommodate shifts in narrower scopes
Examine communication results

Subnet Migration
Discuss reasons for network renumbering
Migrate from existing production subnet to a newly-numbered subnet
Maintain dual subnet routing after migration for backwards compatibility
Test subnet migration using before-and-after numbering schemes
Evaluate results