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Copyright © 1997 Cisco Systems, Inc.
6-99CSE: Networking Fundamentals — WAN Basics
© 1999, Cisco Systems, Inc.
www.cisco.com
Benefits for Enterprise
Customers
Security & VPNs
Benefits for Enterprise
Customers
Security & VPNs
ProfitabilityProfitability
•• Reduce remote Reduce remote
access costsaccess costs
ProductivityProductivity
•• Extend the corporate Extend the corporate
network across the network across the
Internet Internet
•• Predictable performancePredictable performance
•• Policy enforcementPolicy enforcement
Corporate AgilityCorporate Agility
•• Privacy, integrity and Privacy, integrity and
authenticity for authenticity for
networked commercenetworked commerce
6-100CSE: Networking Fundamentals — WAN Basics
© 1999, Cisco Systems, Inc.
www.cisco.com
Multiple access networksMultiple access networks
••DedicatedDedicated
••Frame Relay, ATM, DPL, DSL, CableFrame Relay, ATM, DPL, DSL, Cable
••DialDial
Provides a Framework
for Private IP
Networking over a
Public Infrastructure
Provides a FrameworkProvides a Framework
for for Private IP Private IP
Networking over a Networking over a
PublicPublic InfrastructureInfrastructure
Cisco IOS IP Connectivity:
IP Virtual Private Networks
Cisco IOS IP Connectivity:
IP Virtual Private Networks
Benefits:
• Predictable performance
• Privacy
• Policy enforcement
• Pricing supporting IP applications
Access Network
IP Network
IP VPN
IP VPN
- Introduction 1
- WAN Devices 2
- WAN Terminating Equipment 2
- Circuit Switching 3
- Packet Switching 3
- WAN Virtual Circuits 4
- WAN Protocols 4
- Transmission 5
- Transmission Options or WAN 6
- Services 6
- POTS Using Modem Dialup 6
- Integrated Services Digital 7
- Network (ISDN) 7
- Leased Line 8
- Frame Relay 8
- Asynchronous Transfer Mode 9
- Wide-Area Network 10
- Requirements 10
- Manage Bandwidth to 11
- Control Cost 11
- Dial-on-Demand Routing 11
- Compression 12
- Dial Backup 13
- Fundamentals 14
- Routing 14
- Routing Requirements 15
- Routing Information 15
- © 1999, Cisco Systems, Inc 16
- Routing Decisions 17
- RIP Routing Metrics 17
- IGRP Routing Metrics 18
- Routers Forward Traffic 18
- EIGRP Convergence 20
- OSPF Convergence 20
- IP Addressing 21
- Issues with IP Addressing 22
- IP Addressing Solutions 22
- Subnetting Overview 23
- IP Address Classes 23
- Virginia? 24
- What Is Route 25
- Summarization? 25
- Cisco Router 26
- Architecture 26
- Routers (Operationally) 27
- Cisco Family of 27
- Cisco 800 Series 28
- Cisco 1000 Series 28
- Cisco 1600 Series 29
- Cisco 1700 Series 29
- Cisco 2500 Series 30
- Cisco 2600 Series 31
- Cisco 2600 Modules 32
- Cisco 3600 Series 32
- Cisco 3600 Modules 33
- AS5x00 Series 33
- Cisco 4000 Series 34
- Cisco 4500/4700 Modules 34
- Cisco 3600 and 4000 35
- Positioning 35
- Cisco Core Router Platforms 35
- Cisco 7500 Series 36
- VIPs and Port Adapters 37
- VIP2 Models 37
- Cisco 7200 and 7500 Network 38
- Interfaces 38
- Scalable Feature 38
- Performance 38
- Cisco 12000 Series GSR 39
- Enterprise WAN Family 39
- Cisco IOS 40
- IP Network Services 40
- Example: Audio Streaming 41
- Infrastructure 43
- Applications 43
- Traffic Is Grouped into SLAs 45
- Step 1: Identify Traffic and 46
- IP Packet 47
- When there is 48
- Benefits: 50
- Cisco’s Complete Network 52
- Security Solutions 52
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