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This chapter is from the book
Summary
The access module deals mainly with Ethernet switch technology. As long as the intricacy of the STP protocol is well understood, it is possible to build a robust Layer 2 network in this module. Keeping the Layer 2 design simple and predictable is perhaps the best insurance for building a resilient IP network within the access module. The same principle applies to the Layer 3 domain. By adopting the best practices, you can improve the resiliency of the network and avoid unnecessary downtime.
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Page 5 of 5