Internetworking: Switches & Routers

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Course Overview

The internetwork lies at the core of many organisations. Switches and routers are the critical building blocks of a successful infrastructure.

In this course, you gain the essential knowledge required to deploy and use switches and routers in TCP/IP networks. Through extensive hands-on exercises you acquire the skills to effectively select and deploy appropriate internetworking technologies.

Audience

This course is valuable for network managers, technicians, engineers and consultants involved in designing, implementing or managing networks. A general knowledge of computer networking principles is assumed.

Skills Gained

• Build and design a scalable internetwork
• Distinguish between various LAN technologies
• Deploy switches using advanced resiliency techniques
• Interconnect networks using appropriate WAN services
• Determine the optimum routing protocol for various internetworking environments
• Integrate management and security into your internetwork

Course Outline

Introduction and Overview

• Motivations for internetworking
• Connecting the enterprise
• Defining internetworking and interoperability
• Deploying the OSI Reference Model
• Large internetworking considerations

LAN Technologies

LAN standardisation

• Overview of LAN standards
• IEEE 802 architecture

Ethernet

• CSMA/CD Media Access Control
• Frame formats, HDX, FDX
• 10/100/1000BASE-T
• Media choices: Mixing copper and fibre

Backbone technologies

• Gigabit Ethernet and 10 Gbit/s
• Media choices: CAT 5e, 6, MMF, SMF

Wireless LANs

• 802.11 wireless LAN standards
• The wireless office
• Access points and routers
• Security issues
• Antenna types

LAN Switching

Core concepts

• IEEE 802.1D TST operation
• Store-and-forward switching
• Building resilience with spanning tree
• Switch performance metrics

Advanced switching topics

• VLAN concepts
• IEEE 802.1Q tag-based VLANs
• IEEE 802.1D priority scheme
• Support for backbone technologies
• Implementing multilayer switches

Deploying switches

• Collapsed backbone architectures
• Distributed backbone architectures
• Enhancing performance using variable bandwidths

Interconnecting LANs

WAN technologies

• Leased line
• xDSL
• Cable modem
• Frame relay
• ISDN
• ATM

Remote connectivity

• Fundamental concepts
• Resilience and redundancy
• Evaluating performance
• The importance of routers

Routing: The Network Layer

Basic concepts

• How routers work
• Protocol layering
• Function of the network layer
• Connectionless operation
• Clarifying IP addressing

Local routing

• Comparing protocols
• TCP/UDP: IP, ARP, ICMP
• Establishing the significance of routing protocols

Routing Protocols

Fundamentals

• The function of routing protocols
• Route propagation
• Distance Vector vs. Link State protocols
• Autonomous systems

Enterprise routing

• Interior gateway protocols
• RIPv1 and RIPv2
• Deploying OSPF

Beyond the enterprise

• Exterior gateway protocols
• Policy-based routing
• Connecting autonomous systems with BGP

Advanced Internetworking

Migrating to IPv6

• Motivation for IPv6
• Encrypting data with IPsec
• Addressing concepts
• Neighbour discovery

Prioritisation and congestion control

• Fair queuing techniques
• Priority by protocol and application type

Secure remote developments

• HTTPS
• SSH
• VPN
• SNMP
• Managing networks with SNMP

Internetworking: Switches & Routers / 364