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Layer 2 VPN Architectures by Anthony Chan, Dmitry Bokotey, Carlos Pignataro, Wei Luo

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Chapter 14. Layer 2 Interworking and Local Switching

This chapter covers the following topics:

Layer 2 Interworking technology overview

Layer 2 Interworking case studies

Layer 2 local switching

Layer 2 local switching with interworking

Understanding advanced interworking and local switching

This chapter comprises important topics that are part of the Cisco Unified VPN Suite. The first part covers Layer 2 any-to-any pseudowires (also known as interworking [IW]), by which a pseudowire links two attachment circuits with different data-link layer protocols. You can provision Layer 2 any-to-any IW circuits using either Any Transport over MPLS (AToM) in Multiprotocol Label Switching (MPLS) packet-switched networks (PSNs) or Layer 2 Tunnel ...

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