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Analyzing MPLS VPN Security

  • Sample Chapter is provided courtesy of Cisco Press.
  • Date: Oct 6, 2005.

Contents

  1. VPN Separation
  2. Robustness Against Attacks
  3. Hiding the Core Infrastructure
  4. Protection Against Spoofing
  5. Specific Inter-AS Considerations
  6. Specific Carrier's Carrier Considerations
  7. Security Issues Not Addressed by the MPLS Architecture
  8. Comparison to ATM/FR Security
  9. Summary
  10. Footnotes

Chapter Description

VPN users have certain expectations and requirements for their VPN service. In a nutshell, they want their service to be both private and secure. In other words, they want their VPN to be as secure as with dedicated circuits while gaining the scalability benefits of a shared infrastructure. Both concepts, of privacy and security, are not black and white, and need to be defined for a real world implementation. This chapter introduces you to VPN MPLS security requirements.

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Footnotes

1.

We will generally refer to IPv4 in this book; IPv6 is supported in the same way as IPv4, as a different address family.
2.

See RFC 2547bis.
3.

See draft-ietf-l3vpn-ipsec-2547 (work in progress).
4.

See draft-townsley-l2tpv3-mpls (work in progress).
5.

See draft-ietf-l3vpn-gre-ip-2547 (work in progress).
6.

For general considerations about route reflectors, consult Cisco ISP Essentials, ISBN 1-58705-041-2; MPLS and VPN Architectures, ISBN 1-58705-002-1.

For more information on Security, visit our Security Reference Guide or sign up for our Security Newsletter

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