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May 9, 2007

EIGRP Databases

This topic reviews the EIGRP neighbor and topology databases and their relationship to the IP routing table. This topic also defines key fileds in the EIGRP topology table and explains their association with the IP routing table.

Each EIGRP router maintains a neighbor table. The table includes the following characteristics:

  • Contains a list of directly connected EIGRP routers with an adjacency with this router.

  • Is comparable to the adjacencies database that link-state routing protocols uses and serves the same purpose: to ensure bidirectional communication between each of the directly connected neighbors.

  • Existes for each routed protocol that EIGRP supports.

    • Each EIGRP router maintains a topology table for each routed protocol configuration. The topology table includes route

    Posted by Lifeng Shen on May 9, 2007 2:57 PM |

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