Cisco IOS XR Configuration Manual page 209

Configuring AAA Services on Cisco IOS XR Software
3.
4.
5.
DETAILED STEPS
Command or Action
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Step 2
aaa group server radius group-name
Example:
RP/0/RP0/CPU0:router(config)# aaa group server
radius radgroup1
RP/0/RP0/CPU0:router(config-sg-radius)#
Step 3
server-private { hostname | ip-address } [auth-port
port-number ] [acct-port port-number ] [timeout
seconds ] [retransmit retries ] [key string ]
Example:
RP/0/RP0/CPU0:router(config-sg-radius)#
server-private 10.1.1.1 timeout 5
RP/0/RP0/CPU0:router(config-sg-radius)#
server-private 10.2.2.2 retransmit 3
server-private {hostname | ip-address} [auth-port port-number] [acct-port port-number]
[timeout seconds] [retransmit retries] [key string]
vrf vrf-name
end
or
commit
How to Configure AAA Services
Purpose
Enters global configuration mode.
Groups different server hosts into distinct lists and
enters the server group configuration mode.
Configures the IP address of the private RADIUS
server for the group.
If private server parameters are not specified, global
configurations are used. If global configurations are
not specified, default values are used.
Both auth-port and acct-port keywords enter
RADIUS server-group private configuration mode.
Cisco IOS XR System Security Configuration Guide
SC-197