QuestionQ4

Arquitetura de Malha IP

You are designing an IP fabric that uses EBGP.

In this scenario, which two ASN-scheme designs can be used for the IP fabric?

Choose two
  • A Assign the same ASN to all devices.
  • B Assign the ASN to all leaf devices and a separate ASN to all spine devices.
  • C Assign a unique ASN to each individual device.
  • D Assign the same ASN used by the WAN service provider to the spine devices.
Explanation

Valid eBGP fabric ASN plans include assigning a unique ASN to each device and assigning one ASN to all leaf devices with a separate ASN for all spine devices. In both designs, every leaf-to-spine adjacency has different ASNs, so it is an eBGP session. A single ASN on every device would instead form iBGP sessions.

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