Cisco TrustSec (CTS) is a technology that enables secure access and dynamic role-based access control in the network. The Security Group Tag (SGT) Exchange Protocol (SXP) is used to propagate SGTs across network devices. To ensure the secure exchange of these tags, Cisco uses encryption algorithms.
AES (Advanced Encryption Standard): AES is widely used in many security protocols and standards because of its strong encryption capabilities. In the context of Cisco TrustSec, AES is the encryption algorithm used to secure binding exchanges between SXP peers. It provides robust encryption, ensuring the integrity and confidentiality of the data being exchanged.
Implementation: When configuring SXP peers, the AES encryption ensures that the SGT information transmitted is secure and cannot be intercepted or tampered with by unauthorized entities.
Cisco TrustSec Configuration Guide
Cisco's official documentation on TrustSec SXP deployment
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