300-620 · Question #240
Refer to the exhibit. An engineer applies an OSPF L3Out between a Cisco ACI fabric and an external router. Router1 must receive a default route from the Cisco ACI via OSPF. Which action ensures that…
The correct answer is A. Configure a default route leak policy in the L3Out. A default route can also be advertised out using a Default Route Leak policy. This policy supports advertising a default route if it is present in the routing table or it always supports advertising a default route. The Default Route Leak policy is configured in the L3Out…
Question
Refer to the exhibit. An engineer applies an OSPF L3Out between a Cisco ACI fabric and an external router. Router1 must receive a default route from the Cisco ACI via OSPF. Which action ensures that the ACI fabric is the Layer 3 gateway for Router1?
Exhibit
Options
- AConfigure a default route leak policy in the L3Out.
- BApply an OSPF interface policy in the OSPF interface profile.
- CAssociate the external EPG with the appropriate contract.
- DInclude an OSPF route summarization policy in external EPG.
How the community answered
(36 responses)- A83% (30)
- B3% (1)
- C11% (4)
- D3% (1)
Explanation
A default route can also be advertised out using a Default Route Leak policy. This policy supports advertising a default route if it is present in the routing table or it always supports advertising a default route. The Default Route Leak policy is configured in the L3Out connection. x/L3_config/b_Cisco_APIC_Layer_3_Configuration_Guide/b_Cisco_APIC_Layer_3_Configuratio n_Guide_chapter_010100.html Use "Leak Default Route in Addition" when a default route needs to be advertised on top of other routes. Use “Leak Default Route Only” when only a default route should be advertised. When "Leak Default Route Only" is selected, deny-all is applied to outbound route-maps on each BGP peer in this L3Out. infrastructure/guide-c07-743150.html
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