1. Administration
ROS® v3.11User Guide 36 RMC30
IP Address
Synopsis: ###.###.###.### where ### ranges from 0 to 255
Default:
The RADIUS server IP Address.
Auth UDP Port
Synopsis: 1 to 65535
Default: 1812
The authentication UDP Port on the RADIUS server.
Auth Key
Synopsis: 31 character ASCII string
Default: None
The authentication key shared with the RADIUS server. It is used to encrypt any passwords
that are sent between the switch and the RADIUS server.
Confirm Auth Key
Synopsis: 31 character ASCII string
Default: None
Confirm input of the above authentication key.
1.14. TACACS+
TACACS+ (Terminal Access Controller Access-Control System Plus) is a TCP-based access
control protocol that provides authentication, authorization and accounting services to routers,
network access servers and other networked computing devices via one or more centralized
servers. It is based on, but is not compatible with, the older TACACS protocol. TACACS+
has generally replaced its predecessor in more recently built or updated networks, although
TACACS and XTACACS are still used on many older networks. Note that RuggedCom's
TACACS+ client implementation always has encryption enabled.
1.14.1. User Login Authentication and Authorization
A TACACS+ server can be used to authenticate and authorize access to the device's services,
such as HMI via Serial Console, Telnet, SSH, RSH, Web Server (see Password Configuration).
User name and Password are sent to the configured TACACS+ Server.
Two TACACS+ servers (Primary and Secondary) are configurable per device. If the primary
server is not reachable, the device will automatically fall back to the secondary server to
complete the authorization process.
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