In which scenario will the use of EIGRP automatic summarization cause inconsistent routing in a network?

IT Questions BankCategory: CCNA 3 v6In which scenario will the use of EIGRP automatic summarization cause inconsistent routing in a network?

In which scenario will the use of EIGRP automatic summarization cause inconsistent routing in a network?

  • when there is no common subnet that exists between neighboring routers
  • when the routers in an IPv4 network have mismatching EIGRP AS​ numbers
  • when there is no adjacency that is established between neighboring routers
  • when the routers in an IPv4 network are connected to discontiguous networks with automatic summarization enabled

Explanation: If there are discontiguous IPv4 networks, automatic summarization causes inconsistent routing because routes are summarized at classful boundaries. When there is no common subnet between EIGRP neighbors, an adjacency cannot form. Mismatching EIGRP AS numbers and the lack of an adjacency will not cause inconsistent routing, but a lack of routing overall.

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