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Comparing, Designing, and Deploying Virtual Private Networks als Buch
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Comparing, Designing, and Deploying Virtual Private Networks

Illustrations. Sprache: Englisch.
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A practical guide for comparing, designing, and deploying IPsec, MPLS Layer 3, L2TPv3, L2TPv2, AToM, and SSL virtual private networks. This work examines the real-world operation, application, design, and configuration of the following site-to-site V … weiterlesen
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Comparing, Designing, and Deploying Virtual Private Networks als Buch

Produktdetails

Titel: Comparing, Designing, and Deploying Virtual Private Networks
Autor/en: Mark Lewis

ISBN: 1587051796
EAN: 9781587051791
Illustrations.
Sprache: Englisch.
Cisco Press

12. April 2006 - kartoniert - 1080 Seiten

Beschreibung

A practical guide for comparing, designing, and deploying IPsec, MPLS Layer 3, L2TPv3, L2TPv2, AToM, and SSL virtual private networks. This work examines the real-world operation, application, design, and configuration of the following site-to-site VPNs: Layer 2 Tunneling Protocol version 3 (L2TPv3)-based Layer 2 VPNs (L2VPN); and more.

Inhaltsverzeichnis

Introduction Part I Understanding VPN Technology Chapter 1 What Is a Virtual Private Network? VPN Devices VPN Technologies and Protocols Modeling and Characterizing VPNs Deploying Site-to-Site and Remote Access VPNs: A Comparison Summary Review Questions Part II Site-to-Site VPNs Chapter 2 Designing and Deploying L2TPv3-Based Layer 2 VPNs Benefits and Drawbacks of L2TPv3-Based L2VPNs L2TPv3 Pseudowire Operation L2TPv3 Deployment Models L2TPv3 Message Types The L2TPv3 Control Connection Configuring and Verifying L2TPv3 Pseudowires Deploying L2TPv3 Pseudowires with Dynamic Session Setup Implementing L2TPv3 Pseudowire-Based L2VPNs Using Static Session Configuration L2VPN Interworking with L2TPv3 Transporting IPv6 over an IPv4 Backbone Using IPv6 Protocol Demultiplexing Provisioning Quality of Service for L2TPv3 Pseudowires Avoiding Packet Fragmentation and Packet Drops with L2TPv3 Pseudowires Summary Review Questions Chapter 3 Designing and Implementing AToM-Based Layer 2 VPNs Benefits and Drawbacks of AToM-Based L2VPNs AToM Pseudowire Operation Control Channel Messages AToM Data Channel Packet Forwarding Deploying AToM Pseudowires Implementing AToM Pseudowires for Ethernet Traffic Transport Deploying AToM Pseudowires for HDLC and PPP Traffic Transport Frame Relay Traffic Transport with AToM Pseudowires Using AToM Pseudowires to Transport ATM Traffic Implementing Advanced AToM Features Deploying AToM Pseudowire QoS Tunnel Selection for AToM Pseudowires L2VPN Pseudowire Switching with AToM L2VPN Interworking with AToM Pseudowires Configuring and Verifying Local Switching Resolving AToM Data Channel Packet Drop Issues Summary Review Questions Chapter 4 Designing MPLS Layer 3 Site-to-Site VPNs Advantages and Disadvantages of MPLS Layer 3 VPNs MPLS Layer 3 VPNs Overview IP Reachability in an MPLS Layer 3 VPN User Packet Forwarding Between MPLS Layer 3 VPN Sites A Detailed Examination of MPLS Layer 3 VPNs Distinguishing Customer VPN Prefixes Using Route Distinguishers (RD) Using Route Targets (RT) to Control Customer VPN Route Distribution Deploying MPLS Layer 3 VPNs Configuration of PE Routers Configuration of P Routers Provisioning Route Distribution for VPN Topologies Preventing Routing Loops When Customer VPN Sites Are Multihomed Implementing Internet Access for MPLS Layer 3 VPNs Summary Review Questions Chapter 5 Advanced MPLS Layer 3 VPN Deployment Considerations The Carriers' Carrier Architecture CSC Architecture When MPLS Is Not Enabled Within CSC Customer Sites CSC Architecture When MPLS Is Enabled Within CSC Customer Sites The Inter-Autonomous System/Interprovider MPLS VPN Architecture VRF-to-VRF Connectivity at ASBRs Advertisement of Labeled VPN-IPv4 (VPNv4) Between ASBRs Using MP-eBGP Advertisement of Labeled VPN-IPv4 (VPNv4) Between Route Reflectors in Separate Autonomous Systems Using Multihop MP-eBGP Supporting Multicast Transport in MPLS Layer 3 VPNs Point-to-Point GRE Tunnels Multicast VPNs (MVPN) Implementing QoS for MPLS Layer 3 VPNs MPLS DiffServ Tunneling Models Configuring MPLS QoS on Cisco Routers Supporting IPv6 Traffic Transport in MPLS Layer 3 VPNs Using 6VPE 6VPE Route Exchange 6VPE Data Packet Forwarding Configuring and Verifying 6VPE Summary Review Questions Chapter 6 Deploying Site-to-Site IPsec VPNs Advantages and Disadvantages of IPsec Site-to-Site VPNs IPsec: A Security Architecture for IP Cryptographic Algorithms Security Protocols: AH and ESP Security Associations IPsec Databases SA and Key Management Techniques Putting It All Together: IPsec Packet Processing Deploying IPsec VPNs: Fundamental Considerations Selecting and Configuring IKE Policies for Automated SA and Key Management Selecting and Configuring IPsec Transforms Designing and Configuring Crypto Access Lists Pulling Everything Together with a Crypto Map Complete IPsec VPN Gateway Configurations Transporting Multiprotocol and Multicast Traffic over an IPsec VPN Manual SA and Key Management Deploying IPsec VPNs with NAT/PAT Allowing IPsec to Traverse a Firewall Summary Review Questions Chapter 7 Scaling and Optimizing IPsec VPNs Scaling IPsec Virtual Private Networks Reducing the Number of IPsec Tunnels Required in a VPN Reducing IPsec VPN Configuration Complexity with TED and DMVPN Scaling IPsec VPNs with Digital Signature Authentication Ensuring High Availability in an IPsec VPN High Availability with HSRP High Availability with GRE Designing QoS for IPsec VPNs Using DiffServ in an IPsec VPN Configuring QoS with the qos pre-classify Command IPsec Anti-Replay Considerations with QoS Other Considerations When Provisioning QoS for an IPsec VPN MTU and Fragmentation Considerations in an IPsec VPN IPsec Packet Overhead Ensuring That Large IPsec Packets Are Not Fragmented or Dropped Summary Review Questions Part III Remote Access VPNs Chapter 8 Designing and Implementing L2TPv2 and L2TPv3 Remote Access VPNs Benefits and Drawbacks of L2TP Remote Access VPNs Operation of L2TP Voluntary/Client-Initiated Tunnel Mode L2TPv2 Message Formats and Message Types L2TP/IPsec Remote Access VPN Setup (Voluntary/Client-Initiated Tunnel Mode) Implementing L2TP Voluntary/Client-Initiated Tunnel Mode Remote Access VPNs Configuring PSK Authentication for L2TP/IPsec Voluntary Tunnel Mode VPNs Implementing Digital Signature (Digital Certificate) Authentication with L2TP/ IPsec Voluntary/Client-Initiated Tunnel Mode Remote Access VPNs Verifying L2TP/IPsec Voluntary Tunnel Mode Remote Access VPNs Configuring L2TP/IPsec Remote Access VPNs to Transit NAT Devices Deploying L2TP Voluntary/Client-Initiated VPNs on Cisco IOS Routers Designing and Implementing L2TP Compulsory/NAS-Initiated Tunnel Mode Remote Access VPNs L2TP Compulsory Tunnel Mode Setup: LAC Perspective L2TP Compulsory Tunnel Mode Setup: LNS Perspective Configuring the LAC for Compulsory Tunnel Mode Configuring Tunnel Definitions on a RADIUS Server Configuring the LNS for Compulsory Tunnel Mode Integrating L2TP Remote Access VPNs with MPLS VPNs Summary Review Questions Chapter 9 Designing and Deploying IPsec Remote Access and Teleworker VPNs Comparing IPsec Remote Access VPNs with Other Types of Remote Access VPNs Understanding IKE in an IPsec Remote Access VPN Environment Resolving Issues Relating to User Authentication Resolving Issues Relating to Negotiation of Attributes Such as IP Addresses, DNS Server Addresses, and WINS Server Addresses Deploying IPsec Remote Access VPNs Using Preshared Key and Digital Signature Authentication Implementing IPsec Remote Access VPNs Using Preshared Key Authentication Designing and Deploying IPsec Remote Access VPNs Using Digital Signature Authentication Implementing IPsec Remote Access VPNs Using Hybrid Authentication Verifying and Debugging IPsec Remote Access VPNs Configuring NAT Transparency for IPsec Remote Access VPNs IPsec Remote Access/Telecommuter VPNs Using Easy VPN (EZVPN) Integrating IPsec with MPLS VPNs High Availability: Enabling Redundancy for IPsec Remote Access VPNs Placing IPsec Remote Access VPN Gateways in Relation to Firewalls Considerations When Building Wireless IPsec VPNs Allowing or Disallowing Split Tunneling for Remote Access VPN Clients Summary Review Questions Chapter 10 Designing and Building SSL Remote Access VPNs (WebVPN) Comparing SSL VPNs to Other Types of Remote Access VPNs Understanding the Operation of SSL Remote Access VPNs SSL Overview: TCP, the Record Layer, and the Handshake Protocol Establishing an SSL Connection Between a Remote Access VPN User and an SSL VPN Gateway Using an RSA Handshake Understanding the SSL RSA Handshake with Client Authentication Resuming an SSL Session Closing an SSL Connection Using Clientless SSL Remote Access VPNs (WebVPN) on the Cisco VPN 3000 Concentrator Completing Basic SSL Remote Access VPN Access Configuration Tasks on the Cisco VPN 3000 Concentrator Configuring File and Web Server Access via SSL Remote Access VPNs Enabling TCP Applications over Clientless SSL Remote Access VPNs Configuring E-mail Proxy for SSL Remote Access VPN Users Implementing Full Network Access Using the Cisco SSL VPN Client Installing and Enabling the Cisco VPN Client Software Understanding Remote Access Connectivity When Using the Cisco SSL VPN Client Strengthening SSL Remote Access VPNs Security by Implementing Cisco Secure Desktop Installing the Cisco Secure Desktop Configuring the Cisco Secure Desktop for Windows Clients Configuring Cache Cleaner Options for Mac and Linux Users Enabling the Cisco Secure Desktop Enabling SSL VPNs (WebVPN) on Cisco IOS Devices Step 1: Configure Domain Name and Name Server Addresses Step 2: Configure Remote AAA for Remote Access User Login Authentication Step 3: Enroll the IOS Router with a CA and Obtain an Identity Certificate Step 4: Enable WebVPN Step 5: Configure Basic SSL Parameters Step 6: Customize Login and Home Pages (Optional) Step 7: Specify URLs Step 8: Configure Port Forwarding Deploying SSL VPNs (WebVPN) on the ASA 5500 Step 1: Configure the HTTP Server Step 2: Enable WebVPN on the Outside Interface Step 3: Configure the WebVPN User Group Policy and Attributes Step 4: Configure Remote Access User Authentication Step 5: Specify URL Lists Step 6: Configure File Access, Entry, and Browsing Step 7: Configure Port Forwarding Step 8: Configure E-mail Proxy Step 9: Specify an SSL Trustpoint, SSL Version, and SSL Encryption Algorithm (Optional) Step 10: Customize Login and Home Pages (Optional) Verifying SSL VPNs on the ASA Summary Review Questions Part IV Appendixes Appendix A VPLS and IPLS Layer 2 VPNs Understanding VPLS Ensuring a Loop-Free Topology in a VPLS Frame Forwarding over a VPLS VPLS MAC Address Learning Hierarchical VPLS (H-VPLS) Deployments Understanding IPLS Unicast and Broadcast/Multicast Pseudowires in IPLS Unicast and Broadcast/Multicast Forwarding in IPLS Summary: Comparing VPLS and IPLS Appendix B Answers to Review Questions Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Index 1578051796TOC040706

Portrait

Mark Lewis, CCIE(R) No. 6280, is technical director of MJL Network Solutions (www.mjlnet.com), a leading provider of internetworking solutions that focuses on helping enterprise and service provider customers to implement leading-edge technologies. Mark specializes in next-generation network technologies and has extensive experience designing, deploying, and migrating large-scale IP/MPLS networks. He is an active participant in the IETF, a member of the IEEE, and a certified Cisco Systems(R) instructor. Mark is the author of Troubleshooting Virtual Private Networks, published by Cisco Press.
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