TCP/IP Networking

Course Details

• What You Will Learn
• The basics of the TCP/IP protocol
• Installation and configuration of TCP/IP network in a live classroom environment
• The roles of various devices in a TCP/IP network
• IP addressing and subnetting including Variable Length Subnet Masking
• How to subnet an IP network and implement the resulting addresses
• ARP, IP, ICMP, TCP, and UDP - their functions and relationships
• How to automate address assignment and name resolution using DHCP and DDNS
• IP routing and the protocols that support it, like RIP and OSPF
• How applications like FTP, HTTP, Telnet, and others work in a TCP/IP network
• The functions of IPv6 and its related protocols
• Multicasting, VoIP, instant messaging, and email
• Using a protocol analyzer for isolating and troubleshooting network problems
• .
• How to troubleshoot problems at each layer of a TCP/IP network
• Subnet an IP network using variable-length subnet masking (VLSM), calculating appropriate subnet values to improve network efficiency
• Analyze UDP and TCP application traffic to identify normal versus abnormal sessions
• Automate address assignment and name resolution using DHCP and DNS
• Analyze ICMP variation reports to determine the cause of a network failure
• Explore network security protocols, including PPTP, L2TP, IPSec, SSL, TLS, and SSH
• Analyze network traffic to determine security risks
• Explore the functions of IPv6 and its related protocols
• Introduction
• Source Code Presentation
• History
• Application Programming Interfaces
• Example Program
• System Calls and Library Functions
• Network Implementation Overview
• Mbufs (Memory Buffers) and Output Processing
• Input Processing
• Network Implementation Overview Revisited
• Interrupt Levels and Concurrency
• Source Code Organization
• Test Network
• Mbufs
• Memory Buffers: Introduction
• Code Introduction
• Mbuf Definitions
• mbuf Structure
• Simple Mbuf Macros and Functions
• m_devget and m_pullup Functions
• Summary of Mbuf Macros and Functions
• Summary of Net/3 Networking Data Structures
• m_copy and Cluster Reference Counts
• Alternatives
• Interface Layer
• Introduction
• Code Introduction
• ifnet Structure
• ifaddr Structure
• sockaddr Structure
• ifnet and ifaddr Specialization
• Network Initialization Overview
• Ethernet Initialization
• SLIP Initialization
• Loopback Initialization
• if_attach Function
• ifinit Function
• Interfaces
• Ethernet: Introduction
• Code Introduction
• Ethernet Interface
• ioctl System Call
• Interfaces
• SLIP and Loopback: Introduction
• Code Introduction
• SLIP Interface
• Loopback Interface
• IP Addressing
• Introduction
• Code Introduction
• Interface and Address Summary
• sockaddr_in Structure
• in_ifaddr Structure
• Address Assignment
• Interface ioctl Processing
• Internet Utility Functions
• ifnet Utility Functions
• Domains and Protocols
• Introduction
• Code Introduction
• domain Structure
• protosw Structure
• IP domain and protosw Structures
• pffindproto and pffindtype Functions
• pfctlinput Function
• IP Initialization
• sysctl System Call
• IP: Internet Protocol
• Introduction
• Code Introduction
• IP Packets
• Input Processing: ipintr Function
• Forwarding: ip_forward Function
• Output Processing: ip_output Function
• Internet Checksum: in_cksum Function
• setsockopt and getsockopt System Calls
• ip_sysctl Function
• IP Option Processing
• Introduction
• Option Format
• ip_dooptions Function
• Record Route Option
• Source and Record Route Options
• Timestamp Option
• ip_insertoptions Function
• ip_pcbopts Function
• Limitations
• IP Fragmentation and Reassembly
• Introduction
• Code Introduction
• Fragmentation
• ip_optcopy Function
• Reassembly
• ip_reass Function
• ip_slowtimo Function
• ICMP: Internet Control Message Protocol
• Introduction
• Code Introduction
• icmp Structure
• ICMP protosw Structure
• Input Processing: icmp_input Function
• Error Processing
• Request Processing
• Redirect Processing
• Reply Processing
• Output Processing
• icmp_error Function, icmp_reflect Function
• icmp_send Function, icmp_sysctl Function
• IP Multicasting
• Introduction
• Code Introduction
• Ethernet Multicast Addresses
• ether_multi Structure
• Ethernet Multicast Reception
• in_multi Structure
• ip_moptions Structure
• Multicast Socket Options
• Multicast TTL Values
• ip_setmoptions Function, ip_getmoptions Function
• Joining, leaving an IP Multicast Group,
• Multicast Input Processing: ipintr Function, Multicast Output Processing: ip_output Function
• IGMP: Internet Group Management Protocol
• Introduction
• Code Introduction
• igmp Structure
• IGMP protosw Structure
• Joining a Group: igmp_joingroup Function
• igmp_fasttimo Function
• Input Processing: igmp_input Function
• Leaving a Group: igmp_leavegroup Function
• IP Multicast Routing
• Introduction
• Code Introduction
• Multicast Output Processing Revisited
• ip_mrouted Daemon
• Virtual Interfaces
• IGMP Revisited
• Multicast Routing
• Multicast Forwarding: ip_mforward Function
• Cleanup: ip_mrouter_done Function
• Socket Layer
• Introduction
• Code Introduction
• socket Structure
• System Calls
• Processes, Descriptors, and Sockets
• socket System Call
• getsock and sockargs Functions
• bind System Call, Listen System Call
• tsleep and wakeup Functions, accept System Call
• sonewconn and soisconnected Functions
• connect System call, shutdown System Call
• close System Call
• Socket I/O
• Code Introduction
• Socket Buffers
• write, writev, sendto, and sendmsg System Calls
• sendmsg System Call, sendit Function
• sosend Function, read, readv, recvfrom, and recvmsg System Calls
• recvmsg System Call
• recvit Function
• soreceive Function
• soreceive Code
• select System Call
• Socket Options
• Code Introduction
• setsockopt System Call
• getsockopt System Call
• fcntl and ioctl System Calls
• getsockname System Call
• getpeername System Call
• Radix Tree Routing Tables
• Routing Table Structure
• Routing Sockets
• Code Introduction
• Radix Node Data Structures
• Routing Structures
• Initialization: route_init and rtable_init Functions
• Initialization: rn_init and rn_inithead Functions
• Duplicate Keys and Mask Lists
• rn_match Function
• rn_search Function
• Routing Requests and Routing Messages
• rtalloc and rtalloc1 Functions
• RTFREE Macro and rtfree Function
• rtrequest Function
• rt_setgate Function
• rtinit Function
• rtredirect Function
• Routing Message Structures
• rt_missmsg Function, rt_ifmsg Function
• rt_newaddrmsg Function, rt_msg1 Function
• rt_msg2 Function, sysctl_rtable Function
• sysctl_dumpentry Function,
• sysctl_iflist Function
• Routing Sockets
• routedomain and protosw Structures
• raw_init Function
• route_output Function
• rt_xaddrs Function
• rt_setmetrics Function
• raw_input Function
• route_usrreq Function
• raw_usrreq Function
• raw_attach, raw_detach, and raw_disconnect Functions
• ARP: Address Resolution Protocol
• ARP and the Routing Table
• Code Introduction
• ARP Structures
• arpwhohas Function, arprequest Function
• arpintr Function,
• in_arpinput Function
• ARP Timer Functions
• arpresolve Function
• arplookup Function
• Proxy ARP
• arp_rtrequest Function
• ARP and Multicasting
• Modules
• Protocol Control Blocks
• UDP: User Datagram Protocol
• TCP: Transmission Control Protocol
• TCP Timers
• TCP Output
• TCP Functions
• TCP Input
• TCP User Requests
• BPF: BSD Packet Filter
• Raw IP
• Labs
• Lab 1: Numbering Systems
• Lab 2: Lab Setup and Ethernet Header Analysis
• Lab 3: IP Addressing and Subnetting
• Lab 4: Address Resolution Protocol
• Lab 5: Multicasting
• Lab 6: Troubleshooting the Network Access Layer
• Lab 7: IP Processes, Lab 8: Routing
• Lab 9: Troubleshooting the Internetwork Layer
• Lab 10: UDP Transactions, Lab 11: TCP Processes
• Lab 12: Troubleshooting the Host-to-Host Layer
• Lab 13: DHCP , Lab 14: Domain Name System (DNS)
• Lab 15: ICMP Messaging, Lab 16: TCP Applications