JN0-683 · Question #28
Which two statements are correct about an IP fabric? (Choose two.)
The correct answer is B. The multipath multiple-as statement is required to enable ECMP if every device has a different AS C. Only a single point to point EBGP session is required between peers in an IP fabric. When each device in the IP fabric has a different AS number, the BGP "multipath multiple-as" statement must be enabled to allow ECMP (Equal-Cost Multi-Path) across EBGP peers with EBGP sessions in an IP fabric are established as single point-to-point sessions between directly…
Question
Which two statements are correct about an IP fabric? (Choose two.)
Options
- AAll leaf devices can use the same AS number in an IP fabric without making any adjustments to
- BThe multipath multiple-as statement is required to enable ECMP if every device has a different AS
- COnly a single point to point EBGP session is required between peers in an IP fabric.
- DEBGP is only required to route most routing information to external devices outside the fabric.
How the community answered
(23 responses)- A9% (2)
- B83% (19)
- D9% (2)
Explanation
When each device in the IP fabric has a different AS number, the BGP "multipath multiple-as" statement must be enabled to allow ECMP (Equal-Cost Multi-Path) across EBGP peers with EBGP sessions in an IP fabric are established as single point-to-point sessions between directly connected devices, typically leaf-to-spine, allowing for scalable and straightforward peering.
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