Introduction
10
1.1
Industrial ETHERNET Firewall
RM CLI EAGLE 20
Release
4.3
09/08
The firewall has been preconfigured so that all IP traffic from the secure
network is possible; however, traffic from the insecure network to the se-
cure one is not possible. Thus, already in the delivery state, external at-
tacks on the secure network are not possible.
Modes
X Transparent Mode
In transparent mode, the Firewall transmits on level 2 of the ISO/OSI
layer model. The IP address ranges before and after the Firewall are
located in the same subnetwork.
In the state on delivery, you can access the device via address
192.168.1.1/24 without configuring the IP address.
X Router Mode
In router mode, the Firewall transmits on level 3 of the ISO/OSI layer
model. The IP address ranges before and after the Firewall are located
in different subnetworks. You will find a detailed description of the IP
configuration in the “Basic Configuration” user manual of the EAGLE
20.
X PPPoE Mode
In PPPoE Mode, the EAGLE 20 works like in the router mode, with the
difference that the PPPoE protocol is used at the external port. This
enables Internet connections via a DSL modem, for example.
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