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MPLS and VPN Architectures, Volume II by Jeff Apcar, Ivan Pepelnjak, Jim Guichard

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MPLS VPN Troubleshooting

Contrary to MPLS, which is simple to configure and troubleshoot, MPLS VPN technology encompasses a number of underlying concepts and technologies, ranging from various routing protocols (such as Routing Information Protocol [RIP], Open Shortest Path First [OSPF], and Border Gateway Protocol [BGP]) to complex routing designs, including controlled two-way redistribution between routing protocols, usually controlled with access-lists or route-maps.

This section focuses exclusively on the MPLS VPN-specific troubleshooting topics. You can find an in-depth discussion of the underlying technologies in a number of Cisco Press books, including these:

  • Advanced IP Network Design by Don Slice, Russ White, and Alvaro Retana (ISBN: ...

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