US Patent 11558202 Network device authentication

A method of authenticating a network device may include receiving an authentication message from a third party server, the authentication message identifying a network device. The method may also include receiving a zero touch provisioning request comprising a certificate from the network device. The method may additionally include, determining the network device is associated with a third party that manages the third party server based on the certificate. The method may include transmitting a redirect message comprising a root certificate chain indicating that the network device is to send the zero touch provisioning request to the third party server.