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Remote access to the OS through the VPN tunnel with Scalcnce S612

2/8/2018 6:18 AM	Rate (0)
nkr Bronze Member Joined: 5/9/2015 Last visit: 3/18/2025 Posts: 81 Rating: (4)	Hi All, We have installed the Scalance S612 in our project and successfully able to access the PLC through the VPN tunnel. We are able to take the PLC online for the diagnosis and download the program on the PLC. But we are not able to download the program on the OS station. Is there any way to download the program to the OS as well the VPN tunnel. Do we need to specify some firewall rules or anything else. please suggest. Best regards, nkr

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2/8/2018 8:20 AM	Rate (0)
wolves and hawks Posts: 531 Rating: (34)	Did you open any ports? TCP 102 is normally used for plc access. Maybe you need to open the route back for getting the program or it is the ever annoying broadcast which are not past through tunnels.
wolves and hawks Posts: 531 Rating: (34)
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2/8/2018 9:26 AM	Rate (0)
nkr Bronze Member Joined: 5/9/2015 Last visit: 3/18/2025 Posts: 81 Rating: (4)	I just have activated the NAT and firewall rules as shown in the attached files. Attachment S612 configuration.zip (46 Downloads)

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2/8/2018 10:24 AM	Rate (0)
wolves and hawks Posts: 531 Rating: (34)	Proxy Arp should be the thing to actived so that both sides can find each other through broadcasts. Which is used in Step 7 by Siemens.
wolves and hawks Posts: 531 Rating: (34)
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