Chapter 7. Understanding CEF in an MPLS VPN Environment
This chapter covers the following topics:
- An Internet service provider's simple MPLS VPN design
- Understanding the CEF and MPLS relationship
- CEF considerations when troubleshooting MPLS VPN across various platforms
- CEF and MPLS VPN load-sharing considerations
Understanding CEF operation in a Multiprotocol Label Switching (MPLS) environment is important for design stability and troubleshooting. This chapter analyzes CEF in MPLS Virtual Private Network (VPN) applications across Cisco platforms. Service providers and enterprises are increasingly using MPLS to provide connection-oriented services using an IP infrastructure. They also deploy MPLS VPNs for reasons including scalability, security, ...
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