In this chapter, we recommend security measures for every router and progress to customer
edge, core infrastructure, and provider edge security mechanisms. The reader will find a full
provider edge configuration example in Appendix A with a clarification of key security
explanations.
In any network, security considerations devolve into essentially two areas of focus, this
first area being compromises that can be either accidental or deliberate. Accidental
compromises can occur as a result of misconfigurations or by anticipated changes in the
network. Alternatively, compromises can be deliberate, such as attacks ...
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