• Software Package Management
• IP Addresses and ARP
• PPP and Asynchronous Interfaces
• PPPoE
• PPTP
• L2TP
• ISDN Interfaces
Description
The MikroTik RouterOS provides scalable Authentication, Athorization and Accounting (AAA)
functionality.
Local authentication is performed using the User Database and the Profile Database. The actual
configuration for the given user is composed using respective user record from the User Database,
associated item from the Profile Database and the item in the Profile database which is set as default
for a given service the user is authenticating to. Default profile settings from the Profile database
have lowest priority while the user access record settings from the User Database have highest
priority with the only exception being particular IP addresses take precedence over IP pools in the
local-address and remote-address settings, which described later on.
Support for RADIUS authentication gives the ISP or network administrator the 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 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.
Local PPP User Profiles
Home menu level: /ppp profile
Description
PPP profiles are used to define default values for user access records stored under /ppp secret
submenu. Settings in /ppp secret User Database override corresponding /ppp profile settings
except that single IP addresses always take precedence over IP pools when specified as
local-address or remote-address parameters.
Property Description
change-tcp-mss ( yes | no | default ; default: default ) - modifies connection MSS settings
• yes - adjust connection MSS value
• no - do not atjust connection MSS value
• default - derive this value from the interface default profile; same as no if this is the interface
default profile
dns-server ( IP address ) - IP address of the DNS server to supply to clients
Page 375 of 695
Copyright 1999-2007, MikroTik. All rights reserved. Mikrotik, RouterOS and RouterBOARD are trademarks of Mikrotikls SIA.
Other trademarks and registred trademarks mentioned herein are properties of their respective owners.
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