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Authorized Self-Study Guide Building Scalable Cisco Internetworks (BSCI), Third Edition by Catherine Paquet, Diane Teare

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Appendix E. BGP Supplement

This appendix contains supplementary Border Gateway Protocol (BGP) information and covers the following topics:

This appendix provides you with some additional information on the Border Gateway Protocol (BGP).

BGP Route Summarization

This section reviews classless interdomain routing (CIDR) and describes how BGP supports CIDR and summarization of addresses. Both the network and aggregate-address commands are described.

CIDR and Aggregate Addresses

As discussed in Appendix C, “IPv4 Supplement,” CIDR is a mechanism developed to help alleviate the problem of exhaustion of IP addresses and the growth of routing tables. The ...

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