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Cisco Networks: Engineers’ Handbook of Routing, Switching, and Security with IOS, NX-OS, and ASA by Noel Rivera, Richard Bedwell, William Wilson, Chris Carthern

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CHAPTER 23

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Multiprotocol Label Switching

Last, but not least, is a discussion on Multiprotocol Label Switching (MPLS). This chapter provides an overview of MPLS and covers how to configure and troubleshoot it. It also discusses protocols that commonly use MPLS for their underlying transport.

Multiprotocol Label Switching Basics

MPLS is frequently associated with MPLS virtual private networks (VPNs), but it functions on its own. In a vendor-agnostic environment, MPLS can be used to increase performance over IP standard routing by label switching in hardware. In a Cisco network, Cisco Express Forwarding (CEF) provides similar performance gains ...

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