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LANCOM Reference Manual LCOS 3.50 ̈ Chapter 3: Configuration and management
22
Configuration and manage-
ment
ባ Open a Telnet session to the LANCOM. Use the following IP address for
this purpose:
୴ '172.17.17.18', if you have not defined an IP address for the PPP cli-
ent. The LANCOM automatically uses this address if no other address
has been defined. The PC making the call will respond to the IP
'172.17.17.17'.
୴ Raise the IP address of the PC by one, if you have defined an address.
Example: You have set the IP '10.0.200.123' for the PPP client, the
LANCOM then responds to '10.0.200.124'. Exception: If the digits
'254' are at the end of the IP address, the router responds to 'x.x.x.1'.
ቤ You can configure the LANCOM remotely just like all other devices.
The default layer for remote field installations
The PPP connection of any other remote site to the router, of course, will only
succeed if the device answers every call with the corresponding PPP settings.
This is the case using the factory default settings because the default protocol
(default layer) is set to PPP.
You may, however, want to change the default layer for LAN-to-LAN connec-
tions, for example, to a different protocol after the first configuration run.
Then the device will no longer take calls on the dial-up connection using the
PPP settings. The solution to this is to agree upon a special calling number for
configuration access:
The administrator access for ISDN remote management
If the device receives a call on this number, it will always use PPP, regardless
of any other settings made on the router. Only a specific user name which is
automatically entered by the LANconfig program during call establishment
will be accepted during the PPP negotiations: