5 configuration of vpn connections – Lancom Systems LCOS 3.50 User Manual

Page 306

Advertising
background image

LANCOM Reference Manual LCOS 3.50

̈

Chapter 14: Virtual Private Networks—VPN

306

V

irt

ua

l Pri

vat

e Ne

two

rks—

VP

N

address for the DNS name translation. This can be set up very conveniently
with a Wizard under LANconfig (also see ’Dynamic DNS’ auf Seite 284):

For reasons of security and availability, LANCOM recommends the use
of Dynamic VPN in preference to dynamic DNS-based VPN solutions.
Dynamic VPN is based on direct connections via the ISDN network
and ensures a higher degree of availability than dynamic DNS services
in the Internet.

14.5

Configuration of VPN connections

Two questions are answered in the configuration of VPN connections:

̈

Between which VPN gateways (remote stations) is the connection
established?

̈

What security parameters are used to secure the VPN tunnel between the
two gateways?

̈

Which networks or computers can intercommunicate via these tunnels?

This section introduces the basic considerations for configuring VPN
connections. Considered first of all is the simple connection of two
local networks. Special cases such as dialling in to LANs with

Advertising