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Unable to configure RADIUS authentication on serial port or telnet/web passwords

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TitleUnable to configure RADIUS authentication on serial port or telnet/web passwords
Symptoms
  • Getting error while configuring RADIUS authentication on serial port or telnet/web passwords.
ERS4850(config)#cli password telnet radius
% You must configure Primary RADIUS Server and shared secret first
ERS4850(config)#cli password serial radius
% You must configure Primary RADIUS Server and shared secret first
Environment
  • All BOSS platforms.
  • All supported releases.
Cause
  • RADIUS server configuration is first required to configure RADIUS authentication. Same is true for TACACS.
  • When the user tries to set RADIUS or TACACS authentication without having a RADIUS/TACACS server configured an error message appears in the console
% You must configure Primary RADIUS Server and shared secret first 
% You must configure Primary TACACS+ Server and shared secret first
Resolution
  • Configure RADIUS server on the switch and then configure the RADIUS authentication.
ERS4850(config)#radius server host <host IP address> key
ERS4850(config)#cli password telnet radius
ERS4850(config)#cli password serial radius
ERS4850(config)#

 
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