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Software Package Management
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IP Addresses and ARP
Description
RADIUS, short for Remote Authentication Dial-In User Service, is a remote server that provides
authentication and accounting facilities to various network apliances. RADIUS authentication and
accounting gives the ISP or network administrator ability to manage PPP user access and
accounting from one server throughout a large network. The MikroTik RouterOS has a RADIUS
client which can authenticate for HotSpot, PPP, PPPoE, PPTP, L2TP and ISDN connections. The
attributes received from RADIUS server override the ones set in the default profile, but if some
parameters are not received they are taken from the respective default profile.
The RADIUS server database is consulted only if no matching user acces record is found in router's
local database.
Traffic is accounted locally with MikroTik Traffic Flow and Cisco IP pairs and snapshot image can
be gathered using Syslog utilities. If RADIUS accounting is enabled, accounting information is also
sent to the RADIUS server default for that service.
RADIUS Client Setup
Home menu level: /radius
Description
This facility allows you to set RADIUS servers the router will use to authenticate users.
Property Description
accounting-backup ( yes | no ; default: no ) - this entry is a backup RADIUS accounting server
accounting-port ( integer ; default: 1813 ) - RADIUS server port used for accounting
address ( IP address ; default: 0.0.0.0 ) - IP address of the RADIUS server
authentication-port ( integer ; default: 1812 ) - RADIUS server port used for authentication
called-id ( text ; default: "" ) - value depends on Point-to-Point protocol:
• ISDN - phone number dialled (MSN)
• PPPoE - service name
• PPTP - server's IP address
• L2TP - server's IP address
domain ( text ; default: "" ) - Microsoft Windows domain of client passed to RADIUS servers that
require domain validation
realm ( text ) - explicitly stated realm (user domain), so the users do not have to provide proper ISP
domain name in user name
secret ( text ; default: "" ) - shared secret used to access the RADIUS server
service ( multiple choice: hotspot | login | ppp | telephony | wireless | dhcp ; default: "" ) - router
services that will use this RADIUS server
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