ETHERLINE
®
ACCESS NF04T | Version 1 | 04/16/20
28
6.10
Port forwarding
With the help of port forwarding (“Port forwarding for WAN to LAN traffic”), it can be configured that packets at a
certain TCP/UDP port of the ETHERLINE
®
ACCESS NF04T (WAN) can be forwarded to a participant in the LAN (e.g.
10.10.1.1:81 to 192.168.10.5:80).
In the following example, the website (Port 80) of the CPU with the IP 192.168.10.5 via WAN can be reached
through access to the ETHERLINE
®
ACCESS NF04T -own IP address 10.10.1.1 with Port 81.
Protocol: “TCP” or “UDP”
External port: The port under which the frames in the WAN under the address of the ETHERLINE
®
ACCESS NF04T
are received.
Internal IP: The IP address to be addressed in the machine network (LAN).
Internal Port: The port of the device to be addressed in the machine network (LAN).
Comment: Freely definable comment.
Machine network
192.168.10.0/24
192.168.10.1
192.168.10.2
192.168.10.50
192.168.10.100
192.168.10.5
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
10.10.1.0/24
Internal (LAN)
External (WAN)
Company network
10.10.1.10
10.10.1.20
Internal IP & Port
P4 LAN
P1 WAN
P2 LAN
P3 LAN
Ext. V DC
18 ... 30 V
+ FE IN1 IN2
–
FCN
RST
PWR
RDY
ACT
USR
ETHERLINE
®
ACCESS
NAT/FIREWALL
External Port
192.168.10.1:80
192.168.10.2:102
192.168.10.5:80
10.10.1.1:80
10.10.1.1:102
10.10.1.1:81
10.10.1.1
192.168.10.200
