LANCOM 821+ – LANCOM 1711+ VPN – LANCOM 1721+ VPN
Chapter 3: Basic configuration
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3.1.4
Settings for the DSL connection
It may be necessary to enter the transmission protocol used for the DSL con-
nection. The wizard will enter the correct setting for the most important DSL
providers on its own. Only when the wizard does not list your provider must
the transmission protocol used by your DSL provider be entered.
The wizard will offer you a universal 'multimode' protocol that works with all
common types of DSL connection.
3.1.5
Settings for the ISDN Connection
If you wish to use the ISDN connection you can make the following settings:
One or more ISDN MSNs on which the router should answer calls. MSNs
are ISDN call numbers that your telephone company allocates to you. They
are usually specified without a prefix. The numbers specified are only
important for router functions (LAN-LAN coupling, RAS), but not for the
remote configuration and LANCOM VPN Option.
A prefix to access the public telephone network. It is normally only
required when connecting via an ISDN PBX. Usually this is a '0'. This prefix
is used for all outgoing calls.
Finally you should know whether the telephone company transmits an
ISDN metering pulse. This can be evaluated by the LANCOM Router for
cost budgets and the accounting function.
3.1.6
Charge protection
Charge protection prevents DSL connections being established above and
beyond a predefined amount and therefore protects you from unexpectedly
high connection charges.
If you operate the LANCOM Router on a DSL link that is charged on a time
basis you can set the maximum connection time in minutes.
The budget can be completely deactivated by entering a value of '0'.
In the basic settings, charge protection is set to a maximum value of
600 minutes in any seven day period. Please adjust this parameter to
match your own requirements, or deactivate charge protection if you
have agreed a tariff for unlimited traffic with your provider.
