Lancom Systems 1621 User Manual

LANCOM 821 ADSL/ISDN – LANCOM 1621 ADSL/ISDN – LANCOM 1711 VPN

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LAN to LAN coupling via ISDN

RAS server (via VPN)

RAS server (via ISDN)

IP router

IPX router (via ISDN), e.g. for coupling of Novell networks or dialling into 
Novell networks

NetBIOS proxy for coupling of Microsoft peer-to-peer networks via ISDN

DHCP and DNS server (for LAN and WAN)

N:N mapping for coupling networks using the same IP address ranges

from LCOS 5.0

LANCAPI server for the operating with office applications as fax or answer-
ing machine via ISDN interface

Connection for DSL or cable modem

Integrated ADSL modem

ISDN S

0

 bus in multi device-mode or in point-to-point mode with automatic 

D-channel protocol identification. Supports static and dynamic channel 
bundling per MLPPP and BACP as well as Stac data compression (Hi/fn)

Port for external modem, analogue or GSM (requires LANCOM modem 
adapter kit; from LCOS 5.0)

Integrated 4-port auto-mode-switch (10/100 Mbps) with private mode for 

4 individual Fast Ethernet LAN ports, switchable separately, e.g. as LAN 
switch or separate DMZ ports, auto crossover.

IPSec encryption in external software (VPN client)

IPSec encryption in internal software

IPSec encryption in hardware (optional, activation via the VPN-25-Option)

IP masquerading (NAT, PAT) to hide all workstations of the LAN behind one 
common public IP address.

Stateful Inspection Firewall