Cisco
350-001 · Question #165
Which OSPF LSA type does an ASBR use to originate a default route into an area?
The correct answer is D. LSA 5. By default, the OSPF router does not generate a default route into the OSPF domain. In order for OSPF to generate a default route, you must use the default-information originate command. With this command, the router will advertise type 5 LSA with a link ID of 0.0.0.0.
Routing Protocols
Question
Which OSPF LSA type does an ASBR use to originate a default route into an area?
Options
- ALSA 1
- BLSA 3
- CLSA 4
- DLSA 5
- ELSA 7
How the community answered
(24 responses)- B4% (1)
- C8% (2)
- D88% (21)
Explanation
By default, the OSPF router does not generate a default route into the OSPF domain. In order for OSPF to generate a default route, you must use the default-information originate command. With this command, the router will advertise type 5 LSA with a link ID of 0.0.0.0.
Topics
#OSPF LSA type 5#ASBR#default route#LSA types
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