Router Installation and Configuration Manual/RADIUS Configuration
From ImageStream Router Documentation
RADIUS configuration for authenticating PPPoE and L2TP users is done via the Virtual-Template interface using the radius-server command.
radius-server host <host ip> auth-port <port> key secret [ acct-port <port> ] [ acct-interval <seconds> ]
The RADIUS server IP, authentication port and key values are required. If no accounting port is specified accounting will be disabled. If an accounting interval is specified interim accounting updates will be sent.
Example using the following values:
RADIUS server IP: 192.168.100.1 RADIUS server authentication port: 1812 RADIUS server accounting port: 1813 RADIUS server password: password Send interim updates every hour
interface Virtual-Template1 ip unnumbered Loopback0 peer default ip pool pool1 radius-server host 192.168.100.1 acct-port 1813 auth-port 1812 key password acct-interval 3600 ppp authentication pap chap mschap !
Note. the acct-interval command requires ImageStream version 4.4.0-110 or newer.