True or false: The VXLAN header used for SD-Access is exactly the same as the original VXLAN header.
- True
- False
Explanation: The original VXLAN specification was enhanced for SD-Access to support Cisco TrustSec Scalable Group Tags (SGTs). This was accomplished by adding new fields to the first 4 bytes of the VXLAN header in order to transport up to 64,000 SGTs. The new VXLAN format is called VXLAN Group Policy Option (GPO), and it is defined in the IETF draft draft-smith-vxlan-group-policy-05.
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