300-620 · Question #193
Refer to the exhibit. The 0.0.0.0/0 is configured as a default static route on L3Out-1. Which action should be taken for the 0.0.0.0/0 prefix to advertise out on L3Out-2 OSPF?
The correct answer is A. Enable Export Route Control Subnet.. Aggregate Export This option can be used only for 0.0.0.0/0 with “Export Route Control Subnet”. When both “Export Route Control Subnet” and “Aggregate Export” are enabled for 0.0.0.0/0, ACI creates an IP prefix-list with “0.0.0.0/0 le 32”, which matches any subnets. Thus, this op
Question
Refer to the exhibit. The 0.0.0.0/0 is configured as a default static route on L3Out-1. Which action should be taken for the 0.0.0.0/0 prefix to advertise out on L3Out-2 OSPF?
Exhibit
Options
- AEnable Export Route Control Subnet.
- BEnable Shared Security Import Subnet.
- CEnable Shared Route Control Subnet.
- DEnable Aggregate Export Subnet.
How the community answered
(41 responses)- A71% (29)
- B5% (2)
- C15% (6)
- D10% (4)
Explanation
Aggregate Export This option can be used only for 0.0.0.0/0 with “Export Route Control Subnet”. When both “Export Route Control Subnet” and “Aggregate Export” are enabled for 0.0.0.0/0, ACI creates an IP prefix-list with “0.0.0.0/0 le 32”, which matches any subnets. Thus, this option can be used when an L3Out needs to advertise (export) any routes to the outside.
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