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Most simple installation variant. Initial network schema allows hardware router (gateway), which connects to ISP cables.

{{::script1.png|Выделенная линия}}

Integration of ICS this way is substituting and emulating router in most cases with all its functions.

{{:script2-network2.png|Вариант 2}}

In ICS we create a network with addressing 192.168.0.1/24 and ISP (static, DHCP of PPPoE).