Seamless Site-to-Site Connectivity with Peplink FusionHub Solo

Project Background

In modern industrial and remote deployments, cellular connectivity has become the standard for primary and backup internet. However, a significant technical hurdle often exists: many cellular providers assign private IP addresses via Carrier-Grade NAT (CGNAT). This places devices behind a restrictive firewall, making traditional VPN setups nearly impossible.

The Challenge: The “Double-Blind” Scenario

When two remote sites need to communicate, they face a “double-blind” situation. Because both sites are behind CGNAT, neither has a reachable public IP address.

  • Connectivity Barrier: Traditional VPNs require at least one side to have a public IP to initiate a handshake.
  • Infrastructure Limitation: Without a central anchor, these sites remain isolated, preventing secure data exchange or centralized monitoring.
  • Complexity: Standard workarounds like complex port forwarding are often unsupported by cellular carriers.

The Turning Point

The need for reliable, industrial-grade communication—such as for CCTV backhaul, server access, or remote telemetry—requires a solution that bypasses NAT limitations without compromising on security or speed. The realization was clear: the network needed a neutral, publicly accessible “meet-me” point.

Starview’s Solution: 1STACK + Peplink MAX BR1 Mini+ FusionHub Solo

By hosting Peplink FusionHub Solo (the virtualized SpeedFusion engine) on 1STACK Cloud, Starview provides a central hub with a stable, static public IP.

Instead of the remote routers trying to find each other, both BR1 Mini units initiate an outbound connection to the FusionHub. Because the FusionHub is hosted on the high-performance 1STACK infrastructure, it successfully traverses the NAT on both sides, creating a secure, high-performance SpeedFusion tunnel.

Feature

Benefit for Your Business

Public Cloud Hosting

Deploy on 1STACK with a stable, sovereign public IP.

NAT Traversal

Seamlessly connect sites with private SIM IPs without complex configurations.

SpeedFusion Bonding

Combine multiple cellular or wired links for increased bandwidth and reliability.

Hot Failover

Instant traffic migration if one link fails, ensuring session persistence.

Centralized Management

Full visibility and configuration via Peplink InControl 2.

MAX BR1 Mini

The MAX BR1 Mini is an industrial-grade powerhouse designed for the most demanding environments. Its compact form factor belies its capability, offering rugged reliability, versatile connectivity (LTE/5G), and redundant power options.

The Results: Versatile Deployment Scenarios

The implementation of FusionHub Solo on 1STACK enables three primary operational modes:

  • Isolated Site-to-Site Communication: All traffic remains strictly within a private VPN tunnel, ideal for high-security internal data.

Scenario 1: Isolated Site-to-Site Communication

  • Local Internet Breakout: Sites maintain VPN connectivity for internal tasks while routing general web traffic locally to reduce latency and optimize bandwidth. 

Scenario 2: Site – to Site VPN with Local Internet Breakout

  • Inbound Port Forwarding: FusionHub Solo acts as a gateway, allowing secure inbound access from the public internet to internal resources like CCTVs or servers, even when they are behind CGNAT.

Scenario3: Site – to Site VPN with Internet Access and Inbound Port Forwarding

Conclusion

By combining the rugged reliability of the Peplink MAX BR1 Mini with 1STACK, businesses can overcome the inherent limitations of cellular networking. This solution transforms restricted mobile links into a robust, site-to-site enterprise network that is secure, scalable, and easy to manage.

About 1STACK

1STACK is cloud services delivered by Starview Technologies, with software technologies powered by CloudSigma.

1STACK Cloud is a high-performance, scalable cloud platform designed for businesses that demand transparency, reliability, and data sovereignty. With 99.5% SLA uptime, pay-as-you-go pricing, and secure in-country data hosting, we provide a trusted cloud solution for enterprises in government, finance, healthcare, and other regulated industries. Our flexible architecture supports multi-cloud, hybrid, and private cloud deployments, ensuring seamless scalability and cost efficiency.

Contact Starview

Ready to bridge your remote sites? Connect with our engineering team to deploy your FusionHub Solo on 1STACK.

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