FCSS_EFW_AD-7.6 · Question #20
Refer to the exhibit. An administrator is deploying a hub and spokes network and using OSPF as dynamic protocol. Which configuration is mandatory for neighbor adjacency?
The correct answer is B. Set network-type point-to-multipoint in the hub interface. In a hub-and-spoke topology using OSPF over IPsec VPNs, the point-to-multipoint network type is necessary to establish neighbor adjacencies between the hub and spokes. This network type ensures that OSPF operates correctly without requiring a designated router (DR) and allows…
Question
Refer to the exhibit. An administrator is deploying a hub and spokes network and using OSPF as dynamic protocol. Which configuration is mandatory for neighbor adjacency?
Exhibit
Options
- ASet bfd enable in the router configuration
- BSet network-type point-to-multipoint in the hub interface
- CSet rfc1583-compatible enable in the router configuration
- DSet virtual-link enable in the hub interface
How the community answered
(30 responses)- A7% (2)
- B80% (24)
- C3% (1)
- D10% (3)
Explanation
In a hub-and-spoke topology using OSPF over IPsec VPNs, the point-to-multipoint network type is necessary to establish neighbor adjacencies between the hub and spokes. This network type ensures that OSPF operates correctly without requiring a designated router (DR) and allows dynamic routing updates across the IPsec tunnels.
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