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IP Routing Fundamentals by Mark A. Sportack

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EIGRP Data Structures

EIGRP is a fairly information-intensive routing protocol; it must keep track of the current state (or nearly current state) of many different facets of the network. This information is organized into collections of related information, which are stored in tables. EIGRP maintains the currency of these tables via a series of specialized packet types. Each packet type is used for a specific function. This section examines the basic functionality and use of each of EIGRP's tables and packet types.

EIGRP Tables

EIGRP uses many different tables, each dedicated to organizing and storing data pertinent to a specific facet of the network. The proprietary nature of EIGRP precludes an exhaustive survey of these tables as well as ...

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