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NXA-ENET24 - Software Management Guide
RADIUS Client
Remote Authentication Dial-in User Service (RADIUS) is a logon authentication protocol that uses software
running on a central server to control access to RADIUS-aware devices on the network. An authentication
server contains a database of multiple user name/password pairs with associated privilege levels for each user
or group that require management access to a switch.
RADIUS Client Commands
Command Function
radius-server host
This command specifies
primary and backup
RADIUS servers and
authentication parameters
that apply to each server.
Use the no form to restore
the default values.
Syntax:
[no] radius-server index host {host_ip_address | host_alias}
[auth-port auth_port] [timeout timeout] [retransmit retransmit]
[key key]
• index - Allows you to specify up to five servers. These servers are queried in
sequence until a server responds or the retransmit period expires.
• host_ip_address - IP address of server.
• host_alias - Symbolic name of server. (Maximum length: 20 characters)
• port_number - RADIUS server UDP port used for authentication messages.
(Range: 1-65535)
• timeout - Number of seconds the switch waits for a reply before resending a
request. (Range: 1-65535)
• retransmit - Number of times the switch will try to authenticate logon access via
the RADIUS server. (Range: 1-30)
• key - Encryption key used to authenticate logon access for client. Do not use
blank spaces in the string. (Maximum length: 20 characters)
Default Settings:
• auth-port - 1812
• timeout - 5 seconds
• retransmit - 2
Command Mode: Global Configuration
Example:
Console(config)#radius-server 1 host 192.168.1.20 auth-port 181
timeout 10 retransmit 5 key green
Console(config)#
radius-server port
This command sets the
RADIUS server network
port.
Use the no form to restore
the default.
Syntax:
radius-server port port_number
no radius-server port
• port_number - RADIUS server UDP port used for authentication messages.
(Range: 1-65535)
Default Setting: 1812
Command Mode: Global Configuration
Example:
Console(config)#radius-server port 181
Console(config)#
radius-server key
This command sets the
RADIUS encryption key.
Use the no form to restore
the default.
Syntax:
radius-server key key_string
no radius-server key
• key_string - Encryption key used to authenticate logon access for client. Do not
use blank spaces in the string. (Maximum length: 20 characters)
Default Setting: None
Command Mode: Global Configuration
Example:
Console(config)#radius-server key green
Console(config)#