I recently purchased a Stratix 5700 switch with NAT capability (1783-BMS10CGN) but have been unable to get NAT to work properly. Despite following the step-by-step instructions in the NAT quickstart guide from the knowledge base and replicating their setup, I have not been successful. My network setup includes VLan10 with the following configurations: 192.168.1.200, 255.255.255.0 for the VLAN interface, 192.168.1.2 for the PC, and 192.168.1.3 for the PLC. However, the NAT feature does not seem to be functioning as expected. I have tried various configurations in the NAT settings section, including specifying the VLAN, creating translations with Private and Public IP addresses, and setting gateway translations. Despite my efforts, I have been unable to ping 192.168.1.254 from within the NAT or 10.50.68.249 from outside the NAT. I am currently stuck and unsure of what I might be overlooking. Is there anyone who has successfully configured the Stratix 5700 switch with NAT and can provide some insights into what I might be missing? Any tips or guidance would be greatly appreciated. Thank you.
Has anyone successfully set up this new device? Share your experiences!
I have ordered two items and once they arrive, I will need to configure NAT as well.
Helliana reported difficulties in setting up NAT on her Stratix 5700 w/ NAT switch (1783-BMS10CGN). Despite following the NAT quickstart guide step by step, the NAT feature does not seem to be functioning correctly. The network setup includes VLAN 10 with IP addresses assigned to devices such as a PC and PLC, as well as a Plant Public Network Switch. In the NAT configuration, specific settings were adjusted, but the NAT feature remains non-operational. Helliana seeks advice on troubleshooting the issue and clarifying the role of certain IP addresses in the setup. A visual representation of the network setup is recommended to better understand and address the NAT configuration challenges. Remember, for successful NAT configuration, each private address must have a corresponding public address assigned.
The Private Gateway translation address 192.168.1.254 has been configured for individual NAT translations on every device within the 192.xxx subnet. While communication between devices within the subnet is successful, the translated gateway is unresponsive. As per AB documentation, the Private Gateway is designated as any available address within the subnet, with the Public gateway set to the network gateway. My configuration closely resembles AB Publication# IASIMP-QS038A-EN-P, with the only discrepancy being the public IP range of 10.50.68.0, subnet 255.255.254.0, and gateway at 10.50.68.1.
Are you utilizing 96 unique public IP addresses, all within VLAN 10? Having everything on the same VLAN can lead to troubleshooting difficulties. Consider creating separate VLANs for stations 1-12 and routing them through the 8300 for a smoother and more organized setup. This approach can help streamline your network configuration and management.
It seems like you've done a thorough job of trying to resolve the issue. However, one thing that caught my eye is that you haven't mentioned any firewall settings. Sometimes, firewall settings could be blocking the pings. To test this, you could try temporarily disabling the firewall to see if that allows the pings to go through. Also, ensure that NAT is enabled on both the Stratix switch and the devices connected to it. If NAT isn't enabled on all devices, you may experience communication issues. Do not forget to enable the firewall once done testing for security purposes.
Have you double-checked the NAT rules to ensure they are properly applied to the correct interface? Sometimes, it's easy to overlook the direction for traffic flow—make sure your incoming and outgoing NAT rules match your intended traffic paths. Additionally, verify that your firewall settings aren't blocking the traffic; even with NAT configured, if there's an access control list that's preventing communication, it would result in the issues you're facing. Lastly, check if the firmware on your switch is up-to-date, as bugs or glitches can sometimes interfere with functionalities like NAT. Good luck, and I'm sure you'll get it sorted out!
It sounds like you've put a lot of effort into this configuration! One thing to check is the NAT rules you’ve set up—make sure that your translation entries specifically allow traffic from the PC and PLC to the intended public IP addresses. Additionally, verify that your VLAN settings are correctly applied and that the switch's interfaces are properly set to handle routing. Sometimes, a simple oversight in defining the default gateway or NAT address mappings can lead to connectivity issues. It might also be worth looking into firewall settings or any access control lists (ACLs) that could be blocking traffic. If all else fails, consider rebooting the switch after making configuration changes, as sometimes the settings might not take effect until a refresh. Good luck!
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Answer: There could be several reasons why NAT is not functioning as expected. One common issue could be misconfiguration of the NAT settings, such as incorrect VLAN configurations, translation rules, or gateway settings. Ensure that all settings are correctly configured according to the device's specifications and the network requirements.
Answer: If following the provided instructions did not resolve the issue, consider double-checking the VLAN configurations, IP addresses, and translation rules for any discrepancies. It might also be helpful to reach out to technical support for further assistance or consult online forums for troubleshooting tips from experienced users.
Answer: If you are unable to ping specific IP addresses, verify that the translation rules are correctly set up to map private IP addresses to public IP addresses and vice versa. Additionally, ensure that routing and NAT configurations are consistent across all devices on the network to facilitate proper communication.
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