LANCOM 7111 VPN – LANCOM 8011 VPN Chapter 3: Basic configuration30EN Enable DHCP server?Disable the DHCP server function in the LANCOM router if you would liketo have a different DHCP server assign the IP addresses in your LAN.3.1.2 Configuration protectionThe password for configuration access to the LANCOM router protects theconfiguration against unauthorized access. The configuration of the routercontains a considerable amount of sensitive information such as your Internetaccess information. We therefore strongly recommend protecting it with apassword.The setup wizard for the basic configuration automatically disables remoteconfiguration access via ISDN, thus protecting your configuration againsttampering. ISDN remote configuration access can be enabled at any timeusing the security wizard (see ’Have you permitted remote configuration?’→page 69).3.1.3 Settings for the DSL connectionFor the WAN connection it may be necessary to enter the transfer protocolbeing used. The wizard will e.g. automatically enter the correct settings formajor DSL providers. You only need to enter the protocol used by your accessprovider if the wizard does not list your provider.3.1.4 Settings for the ISDN connectionSet up the basic configuration of your ISDN connection if required. You willneed the following data: One or more ISDN MSNs on which the router will accept calls. MSNs areISDN subscriber numbers that are assigned to you by your telephone pro-vider. They are normally entered without an area code. These numbers areonly relevant for the router functions (LAN to LAN coupling, RAS), not forremote configuration and LANCOM VPN Option. A dialing prefix for access to the public telephone network. This is nor-mally required only when using an ISDN PBX. '0' is the usual prefix. It isused for all outgoing calls. Finally, you should know whether your telephone provider transmits anISDN connect-charge pulse. This signal can be used by the LANCOMrouter for connect-charge budgets and the accounting function.