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LANCOM 7111 VPN – LANCOM 8011 VPN
̈ Chapter 1: Introduction
16
EN
RAS server (via VPN) 100 tunnel 200 tunnel,
optional 500 or 1000
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 routing networks using the same IP address ranges
via VPN
LANCAPI server for the operating with office applications as fax or
answering machine via ISDN interface
ISDN leased lines
WAN connection
Fast Ethernet
ISDN S
0
for establishing Danymic VPN connections to remote sites with
dynamic IP addresses
LAN connection
4 individual Fast Ethernet LAN ports, switchable separately, e.g. as
LAN switch or separate DMZ ports, auto crossover.
Security functions
IP masquerading (NAT, PAT) to hide all workstations of the LAN behind
one common public IP address.
Stateful Inspection Firewall with Intrusion Detection and DoS-Protec-
tion
Firewall filters for a selective locking of IP addresses, protocols and
ports
MAC address filter control e.g. the access of LAN workstations to IP
routing functions
Configuration protection to block “brute force attacks“
LANCOM 7111
VPN
LANCOM 8011
VPN