Access VPDN Solutions Guide


Cisco IOS(r) Documentation Solutions for access VPDN networks

  • Learn from Cisco-tested and Cisco-proven solutions and configuration examples
  • Concise design and application information details how to integrate specific Cisco IOS software feature functionality within an existing network environment
  • Solutions apply to a variety of service ...
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Cisco IOS(r) Documentation Solutions for access VPDN networks

  • Learn from Cisco-tested and Cisco-proven solutions and configuration examples
  • Concise design and application information details how to integrate specific Cisco IOS software feature functionality within an existing network environment
  • Solutions apply to a variety of service provider and enterprise networking professionals
  • Learn to configure two new access VPDN services: NAS-initiated L2TP dial-out and client-initiated PPTP dial-in with MPPE encryption
  • Demonstrates VPDN features in the context of specific network environments
  • Includes valuable command reference and configuration materials

An access virtual private dial-up network (VPDN) is a network that provides remote dial access to users over a shared infrastructure. Access VPDNs use Layer 2 tunneling technologies to create virtual point-to-point connections between remote users and a central network. These tunneling technologies use the Internet to provide the same direct connectivity as the expensive Public Switched Telephone Network (PSTN).

Access VPDN Solutions Guide is a complete, concise, solutions-based book that shows how to deploy VPDNs. The book begins with a technology description that defines VPDNs and summarizes VPDN services, tunneling technologies, and encryption methods. From there, you learn about three distinct solutions for deploying VPDNs. Two of these solutions feature complete design and implementation guides, and the third demonstrates adding IPSec encryption to an existing L2TP network. Two new VPDN features are covered in the appendixes, which also include debug output and a command summary that describes all the Cisco(r) Internet Operating System (IOS) commands discussed in the book.

Cisco IOS(r) software is a feature-rich network operating system that runs on almost every platform and device Cisco offers. Cisco customers who use Cisco IOS documentation have requested more robust and more complete configuration examples to help in their day-to-day implementation of Cisco IOS. The Cisco Systems(r) IOS Documentation department has met that customer demand by creating a new documentation type called an integrated solutions document (ISD). ISDs provide concise design and application information, explaining how to integrate specific feature functionality within an existing network environment. By combining solutions-based ISDs with Cisco IOS configuration and command reference material, Access VPDN Solutions Guide provides you with a complete Cisco VDPN deployment guide.

This book is part of the Cisco Press Networking Technologies Series, which offers networking professionals valuable information for constructing efficient networks, understanding new technologies, and building successful careers.

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Product Details

  • ISBN-13: 9781587050640
  • Publisher: Pearson Education
  • Publication date: 12/10/2001
  • Series: Networking Technology Series
  • Pages: 352
  • Product dimensions: 7.04 (w) x 9.00 (h) x 0.85 (d)

Meet the Author

Cisco Systems, Inc., is the worldwide leader in networking for the Internet. Cisco solutions, which include industry-leading publications from Cisco Press, educate and provide competitive advantage to customers through more efficient and timely exchange of information, leading to cost savings, process efficiencies, and closer business relationships. These solutions form the networking foundation for many organizations worldwide.
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Table of Contents

1. Access VPDN Technologies Overview.
Virtual Private Networks. Access VPDN Services. NAS-Initiated Access VPDNs. Client-Initiated Access VPDNs Using PPTP Dial-In. Encryption Technologies. Related Technologies.

2. Access VPDN Dial-In Using L2F Solution.
Business Objectives. Proposed Solution: NAS-Initiated Access VPDN Using L2F. Implementation. Phase 1: Configuring the NAS for Basic Dial Access. Phase 2: Configuring the Access VPDN to Work with Local AAA. Phase 3: Configuring the Access VPDN to Work with Remote AAA.

3. Access VPDN Dial-In Using L2TP Solution.
Business Objectives. Possible Solutions. Proposed Solution: NAS-Initiated VPDN Using L2TP. Implementation. Device Characteristics and Configuration Files. Verifying That the Access VPDN Network Functions Properly.

4. Access VPDN Dial-In Using IPSec over L2TP Solution.
Business Objectives. Possible Solutions. Proposed Solution: IPSec Tunnel Between the Peer and LNS. Implementation.

Appendix A: New Access VPDN Services: L2TP Dial-Out.
L2TP Dial-Out Overview. L2TP Dial-Out Benefits. L2TP Dial-Out Restrictions. L2TP-Supported Platforms. L2TP Dial-Out-Supported Standards, MIBs, and RFCs. L2TP Dial-Out Configuration Tasks. L2TP Dial-Out Verification. L2TP Dial-Out Configuration Examples.

Appendix B: New Access VPDN Services: PPTP with MPPE.
PPTP with MPPE Overview. PPTP with MPPE Benefits. PPTP with MPPE Restrictions. PPTP with MPPE-Supported Platforms. PPTP with MPPE-Supported Standards, MIBs, and RFCs. PPTP with MPPE Prerequisite Tasks. PPTP with MPPE Configuration Tasks. PPTP with MPPE Verification Connection. PPTP with MPPE Configuration Example.

Appendix C: VPDN Command Summary.
aaa accounting. aaa authentication ppp. aaa authorization. aaa new-mode. accept dialin. accept dialout. access-list. async mode interactive. async-bootp. authen before-forward. Autoselect. clear vpdn tunnel. clock source. controller isa. controller t1. crypto ipsec transform-set. crypto isakmp key. crypto isakmp policy. crypto map (Global IPSec). crypto map (Interface IPSec) . debug aaa authentication. debug aaa authorization. debug ppp. debug ppp mppe. debug vpdn. debug vpdn event. Dialer. dialer aaa. dialer in-band. dialer pool 227. dialer remote-name. dialer string. dialer vpdn. dialer-group. dialer-list protocol. Dnis. Domain. encapsulation ppp. encryption mppe. force-local-chap. Framing. group-range. Hostname. initiate-to. interface dialer. interface group-async. interface virtual-template. ip local pool. isdn incoming-voice. isdn switch-type (BRI). isdn switch-type (PRI). l2f ignore-mid-sequence. l2tp drop out-of-order. l2tp flow-control backoff-queuesize. l2tp flow-control maximum-ato. l2tp flow-control receive-window. l2tp flow-control static-rtt. l2tp hidden. l2tp ip tos reflect. l2tp ip udp checksum. l2tp offset. l2tp tunnel authentication. l2tp tunnel hello. l2tp tunnel password. lcp renegotiation. Line. Linecode. local name. match address (CET). match address (IPSec). modem inout. multilink virtual-template. multilink-group. peer default ip address. pool-member. ppp authentication. ppp chap hostname. ppp chap password. ppp encrypt mppe. ppp multilink group. pptp flow-control receive-window. pptp flow-control static-rtt. pptp tunnel echo. pri-group timeslots nfas_d. protocol (VPDN). radius-server host. radius-server key. request dialin. request dialout. rotary-group. set peer (IPSec). set transform-set. show interfaces virtual-access. show ppp mppe. show vpdn. show vpdn domain. show vpdn group. show vpdn history failure. source-ip. tacacs-server host. tacacs-server key. terminate-from. Username. virtual-template. vpdn enable. vpdn group. vpdn history failure table-size. vpdn logging. vpdn logging history failure. vpdn search-order. vpdn session-limit. vpdn softshut.

Appendix D: Debug Output.
L2F Solution Debug Output. L2TP Solution Debug Output. IPSec over L2TP Solution Debug Output. L2TP Dial-Out Debug Output.
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