8/5/2023 0 Comments Serial ws registration key![]() ![]() Any service that relies on a SUDI certificate to establish a secure connection might not work after the certificate expires. The Cisco SUDI certificate, when registered to a PKI and used to configure certain functionalities on Cisco IOS and Cisco IOS XE, will expire on a limited number of Catalyst Switching products either on or on, whichever is earlier. The SUDI can be used as an immutable identity for configuration, security, auditing, and management. ![]() The identity is implemented at manufacturing and is linked to a publicly identifiable root Certificate Authority (CA). SUDI is an X.509v3 certificate which maintains the product identifier and serial number. SUDI certificate expiration may impact functionalityĪ Cisco Secure Unique Device Identifier (SUDI) certificate that is registered to a Public Key Infrastructure (PKI) and that is also used to configure certain functionalities will expire on a limited number of Cisco Catalyst Switching products (see the Products Affected section). ![]()
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