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JN0-351 · Question #40

You are using OSPF to advertise the subnets that are used by the Denver and Dallas offices. The routers that are directly connected to the Dallas and Denver subnets are not advertising the connected…

The correct answer is C. Configure and apply a routing policy that redistributes the connected Dallas and Denver subnets. D. Enable the passive option on the OSPF interfaces that are connected to the Dallas and Denver. The routers that are directly connected to the Dallas and Denver subnets are not advertising the connected subnets. This can be resolved by redistributing the connected subnets into OSPF. Option C suggests to configure and apply a routing policy that redistributes the connected…

OSPF

Question

You are using OSPF to advertise the subnets that are used by the Denver and Dallas offices. The routers that are directly connected to the Dallas and Denver subnets are not advertising the connected subnets. Referring to the exhibit, which two statements are correct? (Choose two.)

Exhibit

JN0-351 question #40 exhibit

Options

  • ACreate static routes on the switches using the local vMX router's loopback interface for the next
  • BConfigure and apply a routing policy that redistributes the Dallas and Denver subnets using Type
  • CConfigure and apply a routing policy that redistributes the connected Dallas and Denver subnets.
  • DEnable the passive option on the OSPF interfaces that are connected to the Dallas and Denver

How the community answered

(50 responses)
  • A
    14% (7)
  • B
    10% (5)
  • C
    76% (38)

Explanation

The routers that are directly connected to the Dallas and Denver subnets are not advertising the connected subnets. This can be resolved by redistributing the connected subnets into OSPF. Option C suggests to configure and apply a routing policy that redistributes the connected Dallas and Denver subnets. This is correct because redistribution allows routes from one routing protocol to be communicated to another, and in this case, it allows the connected subnets to be advertised through OSPF. Option D suggests enabling the passive option on the OSPF interfaces that are connected to the Dallas and Denver subnets. This is also correct because in OSPF, a passive interface is an interface that belongs to the OSPF router, but does not send OSPF Hello packets. It's typically used on an interface that you don't want to use for OSPF adjacencies, but you still want to advertise its IP address. Therefore, enabling passive interface can help in advertising the Dallas and Denver subnets.

Topics

#OSPF passive interface#connected routes#route redistribution#routing policy

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