HPE Campus Access Mobility Expert (HPE7-A07)

By HP · Question Mode

QuestionQ5

Routing

Refer to the exhibits.

Question Image

An engineer applied the displayed configuration to R1 and R2. However, the routers’ OSPF adjacency never advances beyond the EXSTART/DR state, as shown below.

Question Image

Which configuration action on either router will enable R1 and R2 to advance past the EXSTART/DR state?

Explanation

OSPF database-description packet exchange requires compatible interface MTUs. The configured Layer 3 MTUs are 9100 on R1 and 9102 on R2, causing an MTU mismatch that prevents the adjacency from progressing beyond ExStart. Removing the Layer 3 MTU configuration restores the same default MTU on both interfaces.

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