
APPENDIX 2 : VPN mechanism overview
Industrial router IPL-E User guide ref. 9015909-03
Page 101
1 Overview
VPN is the acronym for « virtual private network » ; it is a mechanism
which allows to connect safely 2 networks together, or 1 remote PC and
one network, through a network eventually not intrinsically safe.
VPN between two networks
Once a VPN has been set between the two routers , any device of the first
network can communicate with any device of the second one as if the two
routers were directly connected with an Ethernet cable.
VPN between a remote PC and a network
VPN
VPN
end-point
VPN
end-point
IP network
Router
Réseau IP
VPN
Router
VPN
end-point
Router
VPN
end-point
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