Limitations on configuring AAA Servers

  • If a domain name can be resolved to more than one IP address, the first two IP addresses are used as the primary and secondary servers when the Backup RADIUS is disabled.
  • If a domain name can be resolved to only one IP address, it is used as the primary server.
  • If a domain name can resolve multiple IP addresses, only the first IP address is used as the server IP address when Backup RADIUS is enabled. Even if the first IP addresses of two domain names are the same, the first IP address is used as the server IP address.
  • If the first two IP addresses change, the backend resolves the domain name every 2 hours and updates the AAA configuration.
  • If the domain name resolution fails, the domain name is requested every 2 minutes until there is a successful resolution.
Parent topic: Configuring AAA Servers