​

HTTPS support requires the use of a certificate. If a certificate for Captive Portal does not exist, the certificate designated for all use is used instead. 

To create a certificate signing request for Captive Portal, enter:

switch(config)# crypto pki create-csr certificate-name <cert-name> usage captive-portal

To create a self-signed certificate for Captive Portal, enter: 

switch(config)# crypto pki enroll-self-signed certificate-name