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Cisco Intelligent Wide Area Network (IWAN) customers are achieving remarkable savings in WAN costs, and typically achieving ROI within 6-12 months. IWAN is helping them simplify WAN design, improve network responsiveness, and accelerate deployment of new network services. Now, there's an authoritative single-source guide to Cisco IWAN: all you need to understand, design, and deploy it with maximum value and minimum network cost. A team of leading Cisco experts cover all of IWAN's key technologies and components, including: * Dynamic Multipoint VPN (VPN) * Routing on overlay networks *…mehr
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Cisco Intelligent Wide Area Network (IWAN) customers are achieving remarkable savings in WAN costs, and typically achieving ROI within 6-12 months. IWAN is helping them simplify WAN design, improve network responsiveness, and accelerate deployment of new network services. Now, there's an authoritative single-source guide to Cisco IWAN: all you need to understand, design, and deploy it with maximum value and minimum network cost. A team of leading Cisco experts cover all of IWAN's key technologies and components, including: * Dynamic Multipoint VPN (VPN) * Routing on overlay networks * Performance Routing (PfR) * Application Visibility and Control (AVC) * Cisco Wide Area Application Service * Akamai Connect * Cisco Cloud Web Service (CWS) * Native router security, and more The authors explain how IWAN goes beyond traditional WAN solutions to drive dramatic business improvements, and how it combines transport-independent design with intelligent path control, application optimization, and secure connectivity. They address issues ranging from visibility and provisioning to troubleshooting and optimization. They also offer extensive practical guidance on deploying IWAN into existing networks, and migrating towards an IWAN solution.
Produktdetails
- Produktdetails
- Networking Technology
- Verlag: Pearson Education (US)
- Seitenzahl: 880
- Erscheinungstermin: 12. Januar 2017
- Englisch
- Abmessung: 233mm x 187mm x 50mm
- Gewicht: 1436g
- ISBN-13: 9781587144639
- ISBN-10: 1587144638
- Artikelnr.: 44165459
- Networking Technology
- Verlag: Pearson Education (US)
- Seitenzahl: 880
- Erscheinungstermin: 12. Januar 2017
- Englisch
- Abmessung: 233mm x 187mm x 50mm
- Gewicht: 1436g
- ISBN-13: 9781587144639
- ISBN-10: 1587144638
- Artikelnr.: 44165459
Brad Edgeworth, CCIE No. 31574 (R/S & SP), Cisco Systems Engineer and Technical Leader, and author of IP Routing on Cisco IOS, IOS XE, and IOS XR. A Distinguished Speaker at Cisco Live, he has architected networks for multiple Fortune® 500 companies. He has nearly 20 years of IT experience, specializing in routing for enterprise and service provider environments. Jean-Marc Barozet is a Principal Engineer with the Intelligent WAN (IWAN) product management team, helping to architect and lead the Cisco SD-WAN solution. He has more than 25 years of enterprise and service provider networking experience, and has been with Cisco for more than 19 years. David Prall, CCIE No. 6508 (R/S, SP, and Security), is a Communications Architect on the Enterprise Networks Technical Strategy Team for Cisco. He previously held system engineering positions supporting US federal agencies. Prall's primary focus is complex routing and switching, including design, deployment, and troubleshooting of large-scale networks. Anthony Lockhart, Technical Marketing Engineer at Cisco, has 15 years of experience with Cisco technologies, network infrastructure, architecture, and the design and implementation of datacenters and call centers. As POC Engineer at HCL America, he provided design and pre-sales engineering for Cisco WAAS products. Nir Ben-Dvora, Senior Technical Leader at Cisco, technically leads architecture for the Application Visibility and Control (AVC) solution for Cisco, collaborating with teams worldwide. He has 17 years of Cisco management and architecture experience.
Part I Introduction to IWAN
Chapter 1 Evolution of the WAN
WAN Connectivity
Increasing Demands on Enterprise WANs
Quality of Service for the WAN
Branch Internet Connectivity and Security
Cisco Intelligent WAN
Summary
Part II Transport Independent Design
Chapter 2 Transport Independence
WAN Transport Technologies
Benefits of Transport Independence
Summary
Chapter 3 Dynamic Multipoint VPN
Generic Routing Encapsulation (GRE) Tunnels
Next Hop Resolution Protocol (NHRP)
Dynamic Multipoint VPN (DMVPN)
DMVPN Configuration
Spoke-to-Spoke Communication
Problems with Overlay Networks
IP NHRP Authentication
Unique IP NHRP Registration
DMVPN Failure Detection and High Availability
DMVPN Dual-Hub and Dual-Cloud Designs
IWAN DMVPN Sample Configurations
Sample IWAN DMVPN Transport Models
Backup Connectivity via Cellular Modem
IWAN DMVPN Guidelines
Troubleshooting Tips
Summary
Further Reading
Chapter 4 Intelligent WAN (IWAN) Routing
Routing Protocol Overview
Topology
WAN Routing Principles
EIGRP for IWAN
Border Gateway Protocol (BGP)
FVRF Transport Routing
Multicast Routing
Summary
Further Reading
Chapter 5 Securing DMVPN Tunnels and Routers
Elements of Secure Transport
IPsec Fundamentals
IPsec Tunnel Protection
IKEv2 Protection
Securing Routers That Connect to the Internet
Control Plane Policing (CoPP)
Device Hardening
Summary
Further Reading
Part III Intelligent Path Control
Chapter 6 Application Recognition
What Is Application Recognition?
What Are the Benefits of Application Recognition?
NBAR2 Application Recognition
NBAR2 Application ID, Attributes, and Extracted Fields
NBAR2 Operation and Functions
Custom Applications and Attributes
NBAR2 State with Regard to Device High Availability
Encrypted Traffic
NBAR2 Interoperability with Other Services
NBAR2 Protocol Discovery
NBAR2 Visibility Dashboard
NBAR2 Protocol Packs
Validation and Troubleshooting
Summary
Further Reading
Chapter 7 Introduction to Performance Routing (PfR)
Performance Routing (PfR)
Introduction to the IWAN Domain
Intelligent Path Control Principles
Summary
Further Reading
Chapter 8 PfR Provisioning
IWAN Domain
Topology
PfR Configuration
Advanced Parameters
Path Selection
Summary
Further Reading
Chapter 9 PfR Monitoring
Topology
Checking the Hub Site
Checking the Transit Site
Check the Branch Site
Monitoring Operations
Summary
Further Reading
Chapter 10 Application Visibility
Application Visibility Fundamentals
Performance Metrics
Flexible NetFlow
Evolution to Performance Monitor
Metrics Export
Deployment Considerations
Summary
Further Reading
Part IV Application Optimization
Chapter 11 Introduction to Application Optimization
Application Behavior
Cisco Wide Area Application Services (WAAS)
Caching and Compression
Application-Specific Acceleration
Summary
Further Reading
Chapter 12 Cisco Wide Area Application Services (WAAS)
Cisco WAAS Architecture
Cisco WAAS Platforms
WAAS Design and Performance Metrics
Cisco WAAS Operational Modes
Interception Techniques and Protocols
WAAS Interception Network Integration Best Practices
Summary
Further Reading
Chapter 13 Deploying Application Optimizations
GBI: Saving WAN Bandwidth and Replicating Data
WAN Optimization Solution
Deploying Cisco WAAS
AppNav-XE
GBI Branch Deployment
Summary
Part V QoS
Chapter 14 Intelligent WAN Quality of Service (QoS)
QoS Overview
Ingress QoS NBAR-Based Classification
Ingress LAN Policy Maps
Egress QoS DSCP-Based Classification
Egress QoS Policy Map
Hierarchical QoS
DMVPN Per-Tunnel QoS
QoS and IPSec Packet Replay Protection
Complete QoS Configuration
Summary
Further Reading
Part VI Direct Internet Access
Chapter 15 Direct Internet Access (DIA)
Guest Internet Access
Guest Access Quality of Service (QoS)
Guest Access Web-Based Acceptable Use Policy
Internal User Access
Fully Specified Static Default Route
Verification of Internet Connectivity
Network Address Translation (NAT)
Policy-Based Routing (PBR)
Internal Access Zone-Based Firewall (ZBFW)
Cloud Web Security (CWS)
Baseline Configuration
Outbound Proxy
WAAS and WCCP Redirect
Prevention of Internal Traffic Leakage to the Internet
Summary
References in this Chapter
Part VII Migration
Chapter 16 Deploying Cisco Intelligent WAN
Pre-Migration Tasks
Migration Overview
Deploying DMVPN Hub Routers
Migrating the Branch Routers
Post-Migration Tasks
Migrating from a Dual MPLS to a Hybrid IWAN Model
Migrating IPsec Tunnels
PfR Deployment
Testing the Migration Plan
Summary
Further Reading
Part VIII Conclusion
Chapter 17 Conclusion and Looking Forward
Intelligent WAN Today
Intelligent WAN Architecture
Intelligent WAN Tomorrow
Appendix A Dynamic Multipoint VPN Redundancy Models
Appendix B IPv6 Dynamic Multipoint VPN
Index
Chapter 1 Evolution of the WAN
WAN Connectivity
Increasing Demands on Enterprise WANs
Quality of Service for the WAN
Branch Internet Connectivity and Security
Cisco Intelligent WAN
Summary
Part II Transport Independent Design
Chapter 2 Transport Independence
WAN Transport Technologies
Benefits of Transport Independence
Summary
Chapter 3 Dynamic Multipoint VPN
Generic Routing Encapsulation (GRE) Tunnels
Next Hop Resolution Protocol (NHRP)
Dynamic Multipoint VPN (DMVPN)
DMVPN Configuration
Spoke-to-Spoke Communication
Problems with Overlay Networks
IP NHRP Authentication
Unique IP NHRP Registration
DMVPN Failure Detection and High Availability
DMVPN Dual-Hub and Dual-Cloud Designs
IWAN DMVPN Sample Configurations
Sample IWAN DMVPN Transport Models
Backup Connectivity via Cellular Modem
IWAN DMVPN Guidelines
Troubleshooting Tips
Summary
Further Reading
Chapter 4 Intelligent WAN (IWAN) Routing
Routing Protocol Overview
Topology
WAN Routing Principles
EIGRP for IWAN
Border Gateway Protocol (BGP)
FVRF Transport Routing
Multicast Routing
Summary
Further Reading
Chapter 5 Securing DMVPN Tunnels and Routers
Elements of Secure Transport
IPsec Fundamentals
IPsec Tunnel Protection
IKEv2 Protection
Securing Routers That Connect to the Internet
Control Plane Policing (CoPP)
Device Hardening
Summary
Further Reading
Part III Intelligent Path Control
Chapter 6 Application Recognition
What Is Application Recognition?
What Are the Benefits of Application Recognition?
NBAR2 Application Recognition
NBAR2 Application ID, Attributes, and Extracted Fields
NBAR2 Operation and Functions
Custom Applications and Attributes
NBAR2 State with Regard to Device High Availability
Encrypted Traffic
NBAR2 Interoperability with Other Services
NBAR2 Protocol Discovery
NBAR2 Visibility Dashboard
NBAR2 Protocol Packs
Validation and Troubleshooting
Summary
Further Reading
Chapter 7 Introduction to Performance Routing (PfR)
Performance Routing (PfR)
Introduction to the IWAN Domain
Intelligent Path Control Principles
Summary
Further Reading
Chapter 8 PfR Provisioning
IWAN Domain
Topology
PfR Configuration
Advanced Parameters
Path Selection
Summary
Further Reading
Chapter 9 PfR Monitoring
Topology
Checking the Hub Site
Checking the Transit Site
Check the Branch Site
Monitoring Operations
Summary
Further Reading
Chapter 10 Application Visibility
Application Visibility Fundamentals
Performance Metrics
Flexible NetFlow
Evolution to Performance Monitor
Metrics Export
Deployment Considerations
Summary
Further Reading
Part IV Application Optimization
Chapter 11 Introduction to Application Optimization
Application Behavior
Cisco Wide Area Application Services (WAAS)
Caching and Compression
Application-Specific Acceleration
Summary
Further Reading
Chapter 12 Cisco Wide Area Application Services (WAAS)
Cisco WAAS Architecture
Cisco WAAS Platforms
WAAS Design and Performance Metrics
Cisco WAAS Operational Modes
Interception Techniques and Protocols
WAAS Interception Network Integration Best Practices
Summary
Further Reading
Chapter 13 Deploying Application Optimizations
GBI: Saving WAN Bandwidth and Replicating Data
WAN Optimization Solution
Deploying Cisco WAAS
AppNav-XE
GBI Branch Deployment
Summary
Part V QoS
Chapter 14 Intelligent WAN Quality of Service (QoS)
QoS Overview
Ingress QoS NBAR-Based Classification
Ingress LAN Policy Maps
Egress QoS DSCP-Based Classification
Egress QoS Policy Map
Hierarchical QoS
DMVPN Per-Tunnel QoS
QoS and IPSec Packet Replay Protection
Complete QoS Configuration
Summary
Further Reading
Part VI Direct Internet Access
Chapter 15 Direct Internet Access (DIA)
Guest Internet Access
Guest Access Quality of Service (QoS)
Guest Access Web-Based Acceptable Use Policy
Internal User Access
Fully Specified Static Default Route
Verification of Internet Connectivity
Network Address Translation (NAT)
Policy-Based Routing (PBR)
Internal Access Zone-Based Firewall (ZBFW)
Cloud Web Security (CWS)
Baseline Configuration
Outbound Proxy
WAAS and WCCP Redirect
Prevention of Internal Traffic Leakage to the Internet
Summary
References in this Chapter
Part VII Migration
Chapter 16 Deploying Cisco Intelligent WAN
Pre-Migration Tasks
Migration Overview
Deploying DMVPN Hub Routers
Migrating the Branch Routers
Post-Migration Tasks
Migrating from a Dual MPLS to a Hybrid IWAN Model
Migrating IPsec Tunnels
PfR Deployment
Testing the Migration Plan
Summary
Further Reading
Part VIII Conclusion
Chapter 17 Conclusion and Looking Forward
Intelligent WAN Today
Intelligent WAN Architecture
Intelligent WAN Tomorrow
Appendix A Dynamic Multipoint VPN Redundancy Models
Appendix B IPv6 Dynamic Multipoint VPN
Index
Part I Introduction to IWAN
Chapter 1 Evolution of the WAN
WAN Connectivity
Increasing Demands on Enterprise WANs
Quality of Service for the WAN
Branch Internet Connectivity and Security
Cisco Intelligent WAN
Summary
Part II Transport Independent Design
Chapter 2 Transport Independence
WAN Transport Technologies
Benefits of Transport Independence
Summary
Chapter 3 Dynamic Multipoint VPN
Generic Routing Encapsulation (GRE) Tunnels
Next Hop Resolution Protocol (NHRP)
Dynamic Multipoint VPN (DMVPN)
DMVPN Configuration
Spoke-to-Spoke Communication
Problems with Overlay Networks
IP NHRP Authentication
Unique IP NHRP Registration
DMVPN Failure Detection and High Availability
DMVPN Dual-Hub and Dual-Cloud Designs
IWAN DMVPN Sample Configurations
Sample IWAN DMVPN Transport Models
Backup Connectivity via Cellular Modem
IWAN DMVPN Guidelines
Troubleshooting Tips
Summary
Further Reading
Chapter 4 Intelligent WAN (IWAN) Routing
Routing Protocol Overview
Topology
WAN Routing Principles
EIGRP for IWAN
Border Gateway Protocol (BGP)
FVRF Transport Routing
Multicast Routing
Summary
Further Reading
Chapter 5 Securing DMVPN Tunnels and Routers
Elements of Secure Transport
IPsec Fundamentals
IPsec Tunnel Protection
IKEv2 Protection
Securing Routers That Connect to the Internet
Control Plane Policing (CoPP)
Device Hardening
Summary
Further Reading
Part III Intelligent Path Control
Chapter 6 Application Recognition
What Is Application Recognition?
What Are the Benefits of Application Recognition?
NBAR2 Application Recognition
NBAR2 Application ID, Attributes, and Extracted Fields
NBAR2 Operation and Functions
Custom Applications and Attributes
NBAR2 State with Regard to Device High Availability
Encrypted Traffic
NBAR2 Interoperability with Other Services
NBAR2 Protocol Discovery
NBAR2 Visibility Dashboard
NBAR2 Protocol Packs
Validation and Troubleshooting
Summary
Further Reading
Chapter 7 Introduction to Performance Routing (PfR)
Performance Routing (PfR)
Introduction to the IWAN Domain
Intelligent Path Control Principles
Summary
Further Reading
Chapter 8 PfR Provisioning
IWAN Domain
Topology
PfR Configuration
Advanced Parameters
Path Selection
Summary
Further Reading
Chapter 9 PfR Monitoring
Topology
Checking the Hub Site
Checking the Transit Site
Check the Branch Site
Monitoring Operations
Summary
Further Reading
Chapter 10 Application Visibility
Application Visibility Fundamentals
Performance Metrics
Flexible NetFlow
Evolution to Performance Monitor
Metrics Export
Deployment Considerations
Summary
Further Reading
Part IV Application Optimization
Chapter 11 Introduction to Application Optimization
Application Behavior
Cisco Wide Area Application Services (WAAS)
Caching and Compression
Application-Specific Acceleration
Summary
Further Reading
Chapter 12 Cisco Wide Area Application Services (WAAS)
Cisco WAAS Architecture
Cisco WAAS Platforms
WAAS Design and Performance Metrics
Cisco WAAS Operational Modes
Interception Techniques and Protocols
WAAS Interception Network Integration Best Practices
Summary
Further Reading
Chapter 13 Deploying Application Optimizations
GBI: Saving WAN Bandwidth and Replicating Data
WAN Optimization Solution
Deploying Cisco WAAS
AppNav-XE
GBI Branch Deployment
Summary
Part V QoS
Chapter 14 Intelligent WAN Quality of Service (QoS)
QoS Overview
Ingress QoS NBAR-Based Classification
Ingress LAN Policy Maps
Egress QoS DSCP-Based Classification
Egress QoS Policy Map
Hierarchical QoS
DMVPN Per-Tunnel QoS
QoS and IPSec Packet Replay Protection
Complete QoS Configuration
Summary
Further Reading
Part VI Direct Internet Access
Chapter 15 Direct Internet Access (DIA)
Guest Internet Access
Guest Access Quality of Service (QoS)
Guest Access Web-Based Acceptable Use Policy
Internal User Access
Fully Specified Static Default Route
Verification of Internet Connectivity
Network Address Translation (NAT)
Policy-Based Routing (PBR)
Internal Access Zone-Based Firewall (ZBFW)
Cloud Web Security (CWS)
Baseline Configuration
Outbound Proxy
WAAS and WCCP Redirect
Prevention of Internal Traffic Leakage to the Internet
Summary
References in this Chapter
Part VII Migration
Chapter 16 Deploying Cisco Intelligent WAN
Pre-Migration Tasks
Migration Overview
Deploying DMVPN Hub Routers
Migrating the Branch Routers
Post-Migration Tasks
Migrating from a Dual MPLS to a Hybrid IWAN Model
Migrating IPsec Tunnels
PfR Deployment
Testing the Migration Plan
Summary
Further Reading
Part VIII Conclusion
Chapter 17 Conclusion and Looking Forward
Intelligent WAN Today
Intelligent WAN Architecture
Intelligent WAN Tomorrow
Appendix A Dynamic Multipoint VPN Redundancy Models
Appendix B IPv6 Dynamic Multipoint VPN
Index
Chapter 1 Evolution of the WAN
WAN Connectivity
Increasing Demands on Enterprise WANs
Quality of Service for the WAN
Branch Internet Connectivity and Security
Cisco Intelligent WAN
Summary
Part II Transport Independent Design
Chapter 2 Transport Independence
WAN Transport Technologies
Benefits of Transport Independence
Summary
Chapter 3 Dynamic Multipoint VPN
Generic Routing Encapsulation (GRE) Tunnels
Next Hop Resolution Protocol (NHRP)
Dynamic Multipoint VPN (DMVPN)
DMVPN Configuration
Spoke-to-Spoke Communication
Problems with Overlay Networks
IP NHRP Authentication
Unique IP NHRP Registration
DMVPN Failure Detection and High Availability
DMVPN Dual-Hub and Dual-Cloud Designs
IWAN DMVPN Sample Configurations
Sample IWAN DMVPN Transport Models
Backup Connectivity via Cellular Modem
IWAN DMVPN Guidelines
Troubleshooting Tips
Summary
Further Reading
Chapter 4 Intelligent WAN (IWAN) Routing
Routing Protocol Overview
Topology
WAN Routing Principles
EIGRP for IWAN
Border Gateway Protocol (BGP)
FVRF Transport Routing
Multicast Routing
Summary
Further Reading
Chapter 5 Securing DMVPN Tunnels and Routers
Elements of Secure Transport
IPsec Fundamentals
IPsec Tunnel Protection
IKEv2 Protection
Securing Routers That Connect to the Internet
Control Plane Policing (CoPP)
Device Hardening
Summary
Further Reading
Part III Intelligent Path Control
Chapter 6 Application Recognition
What Is Application Recognition?
What Are the Benefits of Application Recognition?
NBAR2 Application Recognition
NBAR2 Application ID, Attributes, and Extracted Fields
NBAR2 Operation and Functions
Custom Applications and Attributes
NBAR2 State with Regard to Device High Availability
Encrypted Traffic
NBAR2 Interoperability with Other Services
NBAR2 Protocol Discovery
NBAR2 Visibility Dashboard
NBAR2 Protocol Packs
Validation and Troubleshooting
Summary
Further Reading
Chapter 7 Introduction to Performance Routing (PfR)
Performance Routing (PfR)
Introduction to the IWAN Domain
Intelligent Path Control Principles
Summary
Further Reading
Chapter 8 PfR Provisioning
IWAN Domain
Topology
PfR Configuration
Advanced Parameters
Path Selection
Summary
Further Reading
Chapter 9 PfR Monitoring
Topology
Checking the Hub Site
Checking the Transit Site
Check the Branch Site
Monitoring Operations
Summary
Further Reading
Chapter 10 Application Visibility
Application Visibility Fundamentals
Performance Metrics
Flexible NetFlow
Evolution to Performance Monitor
Metrics Export
Deployment Considerations
Summary
Further Reading
Part IV Application Optimization
Chapter 11 Introduction to Application Optimization
Application Behavior
Cisco Wide Area Application Services (WAAS)
Caching and Compression
Application-Specific Acceleration
Summary
Further Reading
Chapter 12 Cisco Wide Area Application Services (WAAS)
Cisco WAAS Architecture
Cisco WAAS Platforms
WAAS Design and Performance Metrics
Cisco WAAS Operational Modes
Interception Techniques and Protocols
WAAS Interception Network Integration Best Practices
Summary
Further Reading
Chapter 13 Deploying Application Optimizations
GBI: Saving WAN Bandwidth and Replicating Data
WAN Optimization Solution
Deploying Cisco WAAS
AppNav-XE
GBI Branch Deployment
Summary
Part V QoS
Chapter 14 Intelligent WAN Quality of Service (QoS)
QoS Overview
Ingress QoS NBAR-Based Classification
Ingress LAN Policy Maps
Egress QoS DSCP-Based Classification
Egress QoS Policy Map
Hierarchical QoS
DMVPN Per-Tunnel QoS
QoS and IPSec Packet Replay Protection
Complete QoS Configuration
Summary
Further Reading
Part VI Direct Internet Access
Chapter 15 Direct Internet Access (DIA)
Guest Internet Access
Guest Access Quality of Service (QoS)
Guest Access Web-Based Acceptable Use Policy
Internal User Access
Fully Specified Static Default Route
Verification of Internet Connectivity
Network Address Translation (NAT)
Policy-Based Routing (PBR)
Internal Access Zone-Based Firewall (ZBFW)
Cloud Web Security (CWS)
Baseline Configuration
Outbound Proxy
WAAS and WCCP Redirect
Prevention of Internal Traffic Leakage to the Internet
Summary
References in this Chapter
Part VII Migration
Chapter 16 Deploying Cisco Intelligent WAN
Pre-Migration Tasks
Migration Overview
Deploying DMVPN Hub Routers
Migrating the Branch Routers
Post-Migration Tasks
Migrating from a Dual MPLS to a Hybrid IWAN Model
Migrating IPsec Tunnels
PfR Deployment
Testing the Migration Plan
Summary
Further Reading
Part VIII Conclusion
Chapter 17 Conclusion and Looking Forward
Intelligent WAN Today
Intelligent WAN Architecture
Intelligent WAN Tomorrow
Appendix A Dynamic Multipoint VPN Redundancy Models
Appendix B IPv6 Dynamic Multipoint VPN
Index