300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and ServicesDemo

By Cisco · Question Mode

QuestionQ46

Infrastructure Security

An engineer needs to configure encrypted packets for one router OSPF neighborship. Which configuration fulfills this requirement?

  • A
  • B
  • C
  • D
Explanation

OSPF MD5 message-digest authentication provides cryptographic protection for OSPF packets. To apply it to only one adjacency, configure ip ospf authentication message-digest and the matching ip ospf message-digest-key under that specific interface. Area-level message-digest authentication would apply to every OSPF interface in the area.

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