IP Networks, Routers and Addresses
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This module is devoted to IP, used to implement Layer 3. We begin with IP addressing: IPv4 address classes, subnets, DHCP, static and dynamic addresses, public addresses, private addresses and NAT.
We'll use the simplest IP network to explore how routers implement the network by relaying packets from link to link, and also act as a point of control to deny communications based on IP address and/or port number.
We’ll complete the chapter with IPv6 addressing.
Telecom Module 14
Detailed Outline
14 IP Networks, Routers and Addresses
14.1 Definition of Network
14.2 IPv4 Address Classes
...... 14.2.1 Packets and Network Addresses
...... 14.2.2 Historical Network Classes
...... 14.2.3 Class A, B and C
...... 14.2.4 Network ID and Host ID
...... 14.2.5 Class D and E
...... 14.2.6 Dotted-Decimal Notation
14.3 Subnets and Classless Inter-Domain Routing
14.4 DHCP
...... 14.4.1 Dynamic Addresses for Clients
...... 14.4.2 Static Addresses and DNS for Servers
...... 14.4.3 DHCP Client – Server Communications
...... 14.4.4 DHCP Message Exchange
...... 14.4.5 Lease Expiry
...... 14.4.6 DHCP to Assign Static Addresses
14.5 Assigning Subnets to Broadcast Domains
14.6 IP Network: Routers Connected with Point-to-Point Circuits
...... 14.6.1 Broadcast Domain at Each Location
...... 14.6.2 Edge Router at Each Location
...... 14.6.3 Default Gateway
...... 14.6.4 Packet Creation
...... 14.6.5 Packet Transmission from the Source
...... 14.6.6 IP to MAC Address Resolution Protocol (ARP)
...... 14.6.7 Packet Routing
...... 14.6.8 Overbooking & Bandwidth on Demand
14.7 Routers and Customer Edge
...... 14.7.1 Customer Edge Device
...... 14.7.2 Router Connects Broadcast Domains
...... 14.7.3 Routing
...... 14.7.4 Denying Communications
...... 14.7.5 Packet Filtering
...... 14.7.6 Port Filtering
...... 14.7.7 Firewall
14.8 Public and Private IPv4 Addresses
...... 14.8.1 Public Addresses
...... 14.8.2 Regional Internet Registries
...... 14.8.3 Unassigned or Private Addresses
14.9 Network Address Translation
...... 14.9.1 Network Address Translator
...... 14.9.2 Outbound
...... 14.9.3 Inbound
...... 14.9.4 Advantages of NAT
...... 14.9.5 Implementation
14.10 TCP and UDP
14.11 IPv6
...... 14.11.1 Expanded Addressing Capabilities
...... 14.11.2 Header Simplification
...... 14.11.3 Improved Support for Extensions and Options
...... 14.11.4 Support for Traffic Management
...... 14.11.5 IPv6 Packet Format
14.12 IPv6 Address Allocation and Address Types
...... 14.12.1 Internet Registry Identification
...... 14.12.2 Sites and Global Routing Prefix
...... 14.12.3 Interface ID
...... 14.12.4 Subnet ID
...... 14.12.5 Allocation
...... 14.12.6 Subnet Prefix
...... 14.12.7 IPv6 Address Types
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Eric Coll is an international expert in telecommunications, broadband and networking, and has been actively involved in the telecom industry since 1983. He holds Bachelor of Engineering and Master of Engineering (Electrical) degrees.
Mr. Coll has broad experience, and broad knowledge of telecom developed working as an engineer in the telecommunications industry.
He has used his knowledge of telecom to develop and teach telecommunications technology training seminars to wide acclaim across North America since 1992... and answering questions at seminars for companies and organizations ranging from Bell Labs to the Department of Justice keeps things up to date.
In his spare time, Mr. Coll authors textbooks and online courses based on the latest updates to the seminar courses.
Mr. Coll also provides consulting services as a Subject Matter Expert in telecommunications to government, carriers, and their customers.
