Providing Out-of-Band Connectivity to Mission-Critical IT Resources

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When Every Branch Matters: How a Credit Union Reinforced Network Resilience

When Every Branch Matters: How a Credit Union Reinforced Network Resilience

For many credit unions, digital transformation has expanded well beyond core banking systems. They depend on resilient IT infrastructure for everything from interactive teller machines, to cloud-hosted apps and remote employee access. But for their IT teams, this brings a growing list of challenges: more branches, more network equipment, and more pressure to minimize downtime. And often, they need to solve these challenges without adding staff.

That’s where the cracks begin to show.

One mid-sized U.S. credit union faced a similar dilemma. They had to support more than 200 branch locations, but with only two IT staff. Routine network issues meant spending hours in the car, sometimes just to power cycle a device. Troubleshooting tasks or regular firmware updates easily consumed entire workdays. Combating outages was even worse because they lacked a reliable management path outside of the primary network. Long outages meant long workdays and lots of stress, not to mention the customer-facing issues like lost trust and reputation damage.

But instead of patching the problem, they made a bold move.

They adopted Nodegrid and ZPE Cloud, the out-of-band management solution that enables complete visibility and control, even when the main network fails. For the credit union’s IT team, this enabled them to perform all their jobs – from provisioning to troubleshooting, to device reboots – via remote session. The results? Drastically reduced travel costs, faster incident response times, and peace of mind knowing that every branch was protected by a resilient management backbone.

Download the full case study to see how they transformed their branch operations and set the foundation for secure, scalable growth.

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Out-of-Band Management vs FMEA: Bridging IT Recovery with Risk Mitigation

Ahmed Algam – OOB vs FMEA

Out-of-Band Management vs FMEA: Bridging IT Recovery with Risk Mitigation

By Ahmed Algam

When it comes to mission-critical infrastructure, failure isn’t a possibility, it’s an eventuality. That’s why tools like FMEA (Failure Mode and Effects Analysis) exist in product validation and operational reliability.

But in IT, identifying risks isn’t enough. You have to be able to recover from them.

Let’s talk about where FMEA theory meets OOB (Out-of-Band) practice.

What is FMEA?

FMEA is a structured approach used to answer:

  • What can fail? (Failure Mode)
  • What happens if it does? (Effect)
  • How likely is it to occur?
  • How well can we detect or respond?
  • What actions can reduce risk?

Each failure scenario is scored across three dimensions:

  • Severity – How bad is the impact?
  • Occurrence – How likely is it to happen?
  • Detection – How easily can it be caught before causing damage?

The goal: Mitigate or eliminate high-risk scenarios before they cause downtime.

Where Out-of-Band Management Comes In

Now apply FMEA to IT infrastructure. Picture this:

  • A router that locks up after a patch
  • A firewall pushed with a bad config
  • A top-of-rack switch that loses uplink
  • A server stuck in BIOS after reboot

If your management tools are all in-band, you’re blind.

But with OOB, you keep access even when the network goes dark, using:

  • 4G/5G LTE fallback
  • Serial console access
  • IPMI, Redfish, or BIOS-level control
  • Out-of-band logging and alerting

How OOB Scores on the FMEA Scale

FMEA Parameter Out-of-Band Impact
Failure Mode Network, power, or OS-level outage
Effect Production outage, loss of remote access
Detection OOB alerts via console logs, PDU telemetry, heartbeat monitoring
Occurrence Reduced with safe, controlled remote management
Severity Reduced since recovery actions are possible remotely
Control Remote reboot, BIOS/IPMI access, serial console, file upload

Real-World FMEA Meets Out-of-Band Management

One customer thought they had OOB covered. They plugged a 4G modem into their Cisco router to allow remote access in case of failure.

But when the router failed, their “OOB” path failed with it because their monitoring agent was installed inside the network.

Once we showed them how to move the agent to the true OOB path (outside the primary network), it was an immediate “aha!” moment.

In FMEA terms:
They reduced Occurrence and improved Detection just by separating in-band from out-of-band.

Check out some more real-world stories like this one by reading my other article, 3 Real Lessons in Network Resilience.

Design for Recovery with ZPE

At ZPE Systems, we believe resilience starts with visibility and control, even when everything else fails. That’s the purpose of our Nodegrid platform:

  • Secure, isolated access to remote infrastructure
  • Cellular, Wi-Fi, and wired failover for real redundancy
  • Integrations with top monitoring and automation platforms
  • Smart, adaptive OOB architecture built to support FMEA-driven design

If Your FMEA Requires Recovery, We Can Help!

If your environment depends on high uptime, fast response, and remote visibility, Nodegrid is your bridge between failure analysis and real recovery.

Use the form below to contact us and let’s talk about your FMEA goals.

Raritan SX II To Nodegrid – How to Migrate the Easy Way

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Webinars & Presentations

Are you migrating from the Raritan Dominion SX II serial console? Technical Writer Jordan Baker walks you through the SX II’s end-of-life dates and why Nodegrid is the recommended replacement from Raritan’s sister company, ZPE Systems.

Nodegrid offers the industry’s highest level of security, delivers high ROI, and features a built-in 5G modem for business continuity during outages. When migrating from the SX II, Nodegrid allows you to deploy gradually instead of taking a rip-and-replace approach. It also requires no retraining and no rebuilding of integrations. Nodegrid is the drop-in replacement that makes your migration easy.

Visit our SX II Migration page for special offers, licensing, and trade-in options.

ZPE Systems delivers innovative solutions to simplify infrastructure managment at the datacenter, branch, and edge.

Learn how our Zero Pain Ecosystem can solve your biggest network orchestration pain points.

Watch a Demo Contact Us

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After The Firewall Fails: How Gen 3 Out-of-Band Cuts the Ransomware Killchain

How Gen 3 Out-of-Band Cuts the Ransomware Killchain

It’s always frustrating for me to hear about another breach that goes deep. Not because attacks happen (they will), but because so many of them spiral out of control for the same reason: no access, no visibility, no plan that uses the best tools available

Leadership feels reassured when they spend top dollar on prevention. But they overlook the most important part of resilience: mitigation. You can’t build a resilient network with defense alone. You need a plan for when that defense fails. There’s no shortage of high-profile reminders of this

Imagine a submarine breach. Cold water rushes in. The crew is trained, alert, and ready to respond. But when they open the repair locker, all they find is duct tape, a flashlight, and hope. That’s what most IT teams face in a cyberattack.

Without the right tools in place, even the best trained teams can be rendered powerless by a breach. Gen 3 Out-of-Band changes that. It’s your pressure control, isolation chamber, and emergency patch kit that works when everything else doesn’t

Let’s look at a reality-based scenario of how these attacks play out…and how the results can be completely different.

The Breach And The Catastrophe That Follows

The attack begins quietly in the early morning hours. It’s 4:19AM when a sleeper process hidden in the network core activates. Within seconds, systems begin to go offline. At first, it looks like a glitch. But it’s not. It’s ransomware – coordinated, efficient, and already moving laterally.

Dashboards light up, but the core infrastructure is already compromised. Your monitoring tools freeze. VPNs fail. DNS is offline. Something’s wrong, but you can’t see how bad it is. And worse, you can’t do anything about it.

A dark and ominous underwater scene featuring a large submarine submerged in deep ocean waters. The

Your best engineer tries to log in from home. But, SSH hangs. Remote desktop times out. Someone asks if there’s a different way in. Maybe out-of-band access that is not dependent on VLAN1? There’s a moment of hope. An old console server buried in a rack…

But it was decommissioned years ago. Management called it redundant.

Locked Out And Looking In

Internal chats fill with speculation as the situation deteriorates by the minute. Even the cloud console is inaccessible. Your team is blind. No one knows how wide the blast radius is. You can’t tell which systems are down, which are salvageable, or where the attack might spread to next. Backup jobs that were configured on the same network are silent too.

In a last ditch effort, someone volunteers to drive to the datacenter. But, all that’s waiting for them is a locked building that they can’t get into. The badge reader is on the same compromised system. No remote access. No local access. Just a locked door and a blinking red light.

By 8:00 AM, retail locations are trying to open. Customers are walking through the doors and the IT team can only watch the damage unfold. Sure, trucks are rolling, but the systems are down and social media is lighting up. And while the team knows exactly what’s happening, there’s nothing they can do to stop it.

What Goes Wrong With In-Band Management

The problem isn’t that no one had a plan. It’s that they had no access. Without a resilient, independent management plane, even the best playbook can’t be executed.

  • You can’t isolate systems.
  • You can’t confirm where the threat is.
  • You can’t cycle power, restore backups, or even assess the blast radius.
  • You can’t prove you did anything right, because you can’t do anything at all!

When everything depends on a single, fragile production path, any failure becomes total. You’re not just locked out of tools – you’re locked out of the fight.

In-Band management risks admin access

Image: In-band management is risky because admin access shares the same link as the production network. Any production failure cuts admin access.

The Breach And Fast Recovery With Gen 3 Out-of-Band

Now imagine the same breach, at the same hour. The ransomware behaves the same way. Core systems go down. DNS disappears. Monitoring dies. But this time, the team has something different: ZPE’s Gen 3 Out-of-Band infrastructure.

As the attack unfolds, IT first responders are already inside, connected securely through ZPE’s Nodegrid. It doesn’t matter if DNS is down or the VPN won’t connect. You don’t need the production network at all. Unlike that old console server, this connection is entirely separate, isolated by design, and hardened for moments like this.

Instead of floundering in the dark, the team sees exactly what’s happening. They access routers, switches, and servers directly from wherever they are without relying on the compromised environment. One by one, they identify which systems are clean, which are compromised, and which need to be taken offline.

IMI via Gen 3 out-of-band

Image: Gen 3 out-of-band is fully isolated, giving you admin access to isolate, cleanse, and restore systems. This is the only way to cut the ransomware killchain and recover from an attack.

There’s no guesswork, only action. Segments of the network go dark, but intentionally this time. Teams shut down infected zones by port, node, or site. They use ZPE’s devices to restore clean systems from verified backups, remotely power cycle PDUs, and automatically push restore scripts locally. There’s no need for physical access. No one drives to the datacenter. There’s no scramble for access credentials or badge overrides.

The breach is being contained before customers begin to arrive. Core systems are stable. Edge environments are clean. Business resumes without disruption. No social backlash. No ticket surge. No headlines. The fire never reaches the storefront.

How Gen 3 Out-of-Band Makes The Difference

Gen 3 Out-of-Band gives you something most teams don’t have during a crisis: control. Not the illusion of control, but real, operational access no matter what happens to your primary infrastructure.

  • You don’t depend on your main network.
  • You don’t wait for remote hands.
  • You don’t lose time chasing access.
  • You take action quickly, securely, and from anywhere.
ZPE is the drop-in Gen 3 out-of-band solution

Image: ZPE’s Gen 3 out-of-band management solution drops into your environment and hosts all the tools and services for cutting the ransomware killchain.

Because when your network goes dark, Gen 3 out-of-band stays lit. That’s the difference between responding to a crisis and becoming one.

Get a Ransomware Recovery Walkthrough

What to do if youre ransomwared

My colleague James Cabe put together this article that walks you through the ransomware recovery process. He explains why you need more than backups, redundancy, and a Disaster Recovery strategy, and gives you practical, open-source tools to deploy an Isolated Recovery Environment. Check it out!

Out-of-Band Management Vendor Comparison

Out-of-Band Management Vendor Comparison

Having a resilient data center network is a top priority for the modern enterprise. Network failures can lead to costly downtime, security vulnerabilities, and operational disruptions. To mitigate these risks, companies invest in out-of-band management, cellular failover, next-generation firewalls (NGFWs), and automation. But, it can be hard to know what’s just a feature and what makes a truly resilient infrastructure solution. To help navigate this, we put together this out-of-band management vendor comparison that breaks down how Opengear, Perle, and Lantronix compare to ZPE Systems.

Out-of-Band Management

Out-of-band (OOB) management is critical for maintaining network access during outages or cyber incidents. OOB typically gives admins access via dedicated serial ports, and it’s mainly used during emergencies when devices or services fail and need to be restored. However, because of digital transformation initiatives like hybrid-cloud, Infrastructure-as-Code, and AI adoption, OOB’s requirements have evolved past simple remote troubleshooting. It must seamlessly integrate into diverse, multi-vendor environments, provide flexible automation, and be able to scale without adding management complexity.

Feature
Vendor Support
Automation
Central Management
Best Fit
ZPE Systems
Multi-vendor, modular
API-first, REST/GraphQL, dynamic
ZPE Cloud, Nodegrid Manager
Enterprise networks with or without multi-vendor requirements
Opengear
Broad, but hardware-centric
Template-driven
Lighthouse
Enterprise networks, secure access
Perle
Cisco-focused
Minimal
PerleVIEW
Simple serial access in Cisco-heavy networks
Lantronix
Multi-vendor
Rules-based engine
ConsoleFlow
SMBs or labs needing basic remote access

Takeaway: ZPE Systems’ open architecture and ability to scale in diverse environments give it the edge, as it’s better suited to meet OOB’s modern requirements.

Isolated Management Infrastructure

Resilience requires a dedicated, autonomous layer for management. Isolated Management Infrastructure (IMI) is that layer. Unlike traditional OOB, IMI provides a physically and logically separated control plane that remains operational even when the production network is compromised. It’s essential for running services like monitoring, DNS, or firewalls independently from the primary network. Very few vendors offer true IMI support as part of their core platform.

Feature
Isolation Architecture
Service Hosting
Security Controls
Best Fit
ZPE Systems
Native, air-gapped IMI
Hosts NGFWs, DNS, monitoring tools
Zero-trust: ACLs, MFA, logging
Zero-trust, isolated control environments
Opengear
Shared infrastructure
Requires external appliances
Standard access controls
Hybrid legacy/OOB networks
Perle
Not designed for isolation
External tools only
Standard VPN/SSH
Traditional IT needing remote access
Lantronix
Not designed for isolation
External tools only
Basic security model
SMBs without IMI requirements

Takeaway: Most vendors still treat management like traditional OOB, where it’s a tool for recovery and not proactive resilience. ZPE Systems is purpose-built for IMI, allowing businesses to maintain critical operations during outages or attacks.

Cellular Failover

Through outages, it’s no longer enough to just have a backup link. Cellular failover must ensure secure, intelligent, and seamless continuity. Many vendors provide cellular hardware, but few integrate the security, automation, and multi-carrier intelligence needed for real resilience.

Feature
Carrier & Network Support
Security & Routing
Failover Intelligence
Best Fit
ZPE Systems
5G, dual SIM, multi-carrier on most models
Built-in firewall, VPN, smart routing
Policy-based, API-driven
Secure, automated enterprise continuity
Opengear
5G, dual SIM (CM8100 model only)
Firewall rules, basic routing
Scriptable with limited logic
Backup WAN for branches
Perle
5G on select models
VPN/IPsec support
Basic primary/backup switch
Industrial/edge connectivity focus
Lantronix
5G on LM models
ACLs, event-based failover
Rules engine with logic
Retail and edge with simple failover

Takeaway: While other vendors provide failover as a backup connection with limited intelligence, ZPE Systems stands out by combining carrier agility, security, and orchestration in one platform designed for business continuity.

Firewall Support

Organizations require more than just basic OOB access; they need platforms that can host advanced security services like Next-Generation Firewalls (NGFWs), DNS, and monitoring tools. Here’s how ZPE Systems compares to other OOB vendors in this regard:

Feature
NGFW Hosting Capability
Virtualization Support
Extensibility
Best Fit
ZPE Systems
Hosts Palo Alto, Juniper, etc.
VMs & containers for security apps
Hosts DNS, monitoring, ZTNA, SD-WAN
Consolidated edge security platform
Opengear
Not supported
Containers
External tools required
Secure remote access nodes
Perle
Not supported
None
External tools required
Basic OOB without NGFWs
Lantronix
Not supported
None
External tools required
Lightweight remote deployments

Takeaway: While Opengear, Perle, and Lantronix provide OOB management solutions with some integrated firewall features, ZPE Systems stands out by offering a platform capable of hosting full-fledged NGFWs and other security services. This extensibility allows organizations to consolidate their infrastructure, reduce hardware sprawl, and enhance security within an isolated management environment.

Automation

Automation used to be a “nice to have” capability. Now, it’s critical for reducing human error, accelerating incident response, and enabling self-healing networks.

Feature
Automation Model
Third-Party Integration
Scalability
Best Fit
ZPE Systems
API-driven, rule-based automation
Terraform, Ansible, ServiceNow
Enterprise-wide via Nodegrid Manager, ZPE Cloud
Large teams automating infra-wide
Opengear
Template/config-based
REST API, SNMP
Scales with Lighthouse
IT admins with site-level automation
Perle
Limited scripting
SNMP, CLI
Central via PerleVIEW
Static, low-touch environments
Lantronix
Rules engine with triggers
RESTful APIs
ConsoleFlow supports moderate scaling
Rules-based automation for edge sites

Takeaway: Most vendors focus on limited scripting or rules-based logic meant for small and simple deployments, not for scalable operations. ZPE Systems offers enterprise-wide automation that integrates with modern DevOps tools, enabling intelligent, self-healing infrastructure. For teams aiming to automate across distributed environments or achieve lights-out operations, ZPE Systems is the ideal solution.

Final Recommendation

OOB tools from Opengear, Perle, and Lantronix provide point solutions that help you react to network issues. On the other hand, ZPE Systems helps you achieve proactive resilience through isolation, service hosting, and automation. For organizations looking to stay one step ahead of outages, cyberattacks, and downtime, ZPE Systems offers a secure and scalable fabric.

Click the button to set up a demo and explore ZPE Systems’ single-box Nodegrid solution.