W&T 55211, Руководство пользователя

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W&T
Operation modes and rule configuration
6�1 Mode NAT router
In NAT router mode, the Microwall connects the island net-
work to the Network 2 port (green) via a fixed IP address of
the higher-level network to the Network 1 port (yellow). The
operating mode is comparable to many standard DSL routers,
which connect the home network to the Internet using only
one public IP address.
The IP addresses of the island hosts are replaced in the super-
ordinate network by the local IP address of the Microwall and
are therefore not visible in the intranet at any time. The island
IP range can be selected completely freely in NAT mode. Even
several islands with identical IP ranges can be connected to
the company intranet simultaneously in this way. An interven-
tion in its routing concept is not necessary.
Network 1 (Intranet): 10.20.0.0/16
Network 2 (Island): 192.168.1.0/24
Host x
IP: 192.168.1.20/24
Host y
IP: 192.168.1.30/24
10.20.0.55
192.168.1.1
1
2
Microwall
Host z
IP: 192.168.1.40/24
Host 1
IP: 10.20.0.10/16
Gateway: 10.20.055
NAT rules
10.40.0.55:[ Port a ] Island-IP :[ Port b ]
10.40.0.55:[ Port c ] Island-IP :[ Port d ]
...
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