Hello everyone,
I’m currently planning a new industrial deployment and would like some general advice from the community. The setup involves several Teltonika routers (most likely from the RUTX series) that will connect a mix of sensors, PLCs, and a small edge server. The server will handle local processing and light high performance computing tasks before sending summarized data to our cloud platform.
Since reliability and uptime are important, I’m looking for guidance on:
Recommended firewall, failover, and remote management settings for large data workloads.
Whether bridge or router mode is preferred when multiple LAN devices need stable communication.
Any common troubleshooting steps you use to keep deployments running smoothly in industrial environments.
I want to follow general best practices before writing the final configuration plan.
Any suggestions, examples, or experiences are welcome. Thanks!
Some of the good practices regarding firewall settings include:
Allow only the traffic your systems truly need; block everything else by default.
Limit access to sensitive services (databases, storage nodes, management ports) to trusted networks only.
Separate workloads into clear network zones so systems can’t talk to each other unless required.
For more information regarding firewall settings please refer to this article:
Teltonika routers support the Failover feature, which ensures continuous internet connectivity even if one of the WAN sources goes down. RUTX series devices can connect to the internet via mobile, wireless, or wired WAN interfaces. The setup is straightforward, and you can also configure additional features like load balancing to optimize traffic between multiple connections.
For remote management, you can use Teltonika RMS. This platform allows you to monitor devices, access them remotely, configure settings, and utilize many additional features to simplify management of your network.
Here’s a video that briefly explains the main features of RMS:
Additionally, I am attaching a wiki link to the RMS:
Use router mode when you want reliable, isolated, and controlled communication between many LAN devices.
Why it’s better:
The RUTX handles DHCP, firewalling, and routing properly.
LAN devices live in the same IP subnet and communicate without conflicts.
Broadcasts, discovery protocols, and local services (e.g., mDNS, SMB, MQTT) work normally.
You avoid “double-master” issues where multiple devices try to run DHCP.
It keeps the network scalable and predictable.
In short:
If you want the RUTX to manage your LAN → Router mode.
If you already have a central router and don’t want two routers → Bridge mode.
Monitor device health continuously: CPU, memory, temperature, and signal strength for cellular/Wi-Fi.
Keep firmware up to date: Apply security patches and performance improvements from Teltonika RUTOS updates.
Segment networks with VLANs/zones: Isolate control, data, and management traffic to reduce broadcast storms and improve reliability.
Enable logging and alerts: Watch for dropped connections, repeated reboots, or unusual traffic spikes.
Check physical connections regularly: Ethernet cables, SIM cards, power sources, and grounding.
Test failover/backup paths: If using dual SIMs or multiple WANs, ensure automatic switching works correctly.
Validate firewall and NAT rules: Ensure critical services can communicate, but unnecessary ports remain blocked.
Perform periodic connectivity tests: Ping, traceroute, or VPN connectivity checks to detect early issues.
Document and standardise configurations: Keep a known-good template for rapid recovery or device replacement.
These steps help maintain uptime and predictability in industrial networks where reliability is critical.
In case you have any additional questions, please let me know!