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Question 68 - JN0-363 discussion

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You are troubleshooting two OSPF routers that have an adjacency that remains in the ExStart state.

What would cause this problem?

A.
mismatched OSPF hello intervals on the OSPF interfaces
Answers
A.
mismatched OSPF hello intervals on the OSPF interfaces
B.
mismatched authentication settings on the OSPF interfaces
Answers
B.
mismatched authentication settings on the OSPF interfaces
C.
mismatched MTU settings on the OSPF interfaces
Answers
C.
mismatched MTU settings on the OSPF interfaces
D.
mismatched subnet settings on the OSPF interfaces
Answers
D.
mismatched subnet settings on the OSPF interfaces
Suggested answer: C

Explanation:

https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13684-12.html#anc13

Neighbors Stuck in Exstart/Exchange State The problem occurs most frequently when you attempt to run OSPF between a Cisco router and another vendor router. The problem occurs when the maximum transmission unit (MTU) settings for neighboring router interfaces do not match. If the router with the higher MTU sends a packet larger that the MTU set on the neighboring router, the neighbor router ignores the packet. When this problem occurs, the output of the show ip ospf neighbor command displays output similar to what is shown in this figure.



asked 18/09/2024
Meena Utsaha
33 questions
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