Configuring the captive portal URL key

Procedure
  1. To configure a plain text captive-portal URL key: 
    switch(config)# aaa authentication captive-portal url-hash-key plaintext <KEY>
  2. To configure an encrypted captive-portal URL key when encrypt-credentials is enabled:
    switch(config)# aaa authentication captive-portal url-hash-key encrypted <ENCRYPTED-KEY> 
  3. To clear a captive-portal URL key: 
    switch(config)# no aaa authentication captive-portal url-hash-key