Your network equipment forms the backbone of your IT environment.
Your switches, firewalls, and routers ensure seamless operations, robust security, and reliable connectivity. But how do you know when it’s time to upgrade or replace these critical components? Outdated or underperforming network equipment can lead to performance bottlenecks, security vulnerabilities, compliance risks, and out-of-control maintenance costs.
For IT and infrastructure teams, proactive planning and lifecycle tracking are critical to ensuring that your network can keep up with evolving business needs and technological advancements. This article explores the key indicators that it’s time for an upgrade and best practices for planning strategic upgrades.
The Risks of Outdated Network Equipment
Outdated network hardware poses several risks. The first and most dangerous one being security vulnerabilities. Older devices often stop receiving firmware updates and patches, leaving them vulnerable to known exploits. They may also lack modern encryption protocols, increasing the risk of data breaches. Many industries also have strict standards and regulations they need to comply with, such as PCI DSS, that outdated equipment may no longer meet, exposing your organization to fines or penalties for non-compliance.
Aging equipment struggles to handle modern bandwidth demands, leading to performance issues like latency, dropped connections, or even outright incompatibility with newer devices and protocols. As businesses grow, legacy systems may not handle increased traffic, IoT devices, or cloud integration.
Ultimately, older hardware becomes prone to failure, leading to increased downtime and often requiring costly repairs or replacements. When manufacturer support ends, sourcing parts becomes even more difficult. These maintenance costs for outdated devices can quickly escalate, adding to the total cost of ownership (TCO). They also consume more energy and require more manual interventions, increasing operational expenses.
To ensure that your network remains secure, compliant, and high-performing, it is crucial to proactively address these risks.
Key Signs That It’s Time to Upgrade Your Network
So how do you know it is time to upgrade? Look for these signs:
- Performance Issues: Frequent downtime, slow speeds, or high latency indicate devices are struggling to meet network demands. Legacy systems may lack the capacity for high-bandwidth activities or increased device connections as your business grows.
- Compatibility Challenges: Older devices may not support modern operating systems, IoT devices, or cloud-based tools.
- Security Gaps: Equipment no longer receiving updates becomes increasingly vulnerable to attacks.
- End-of-Support: Devices past their lifecycle or warranty become harder and more expensive to maintain. Expensive repairs and limited replacement parts signal it’s time for an upgrade.
- Poor Energy Efficiency: Older equipment consumes more power, increasing costs and environmental impact.
- Compliance Failures: Failing to meet updated regulatory standards is a clear warning sign.
- User Complaints: Reports of unreliable performance from employees or customers highlight the need for updates.
Best Practices for Strategic Upgrades
Upgrading network equipment is a complex process that requires careful planning. You can never carry out all upgrades at once, be it because of budget constraints, the associated downtime, or simply lack of manpower. Here’s how to approach it strategically:
1. Prioritize Customer-Facing and Internet-Facing Systems
Systems exposed to the internet or directly impacting customer experiences should be upgraded first. Downtime or failures in these areas can damage your reputation and revenue.
2. Address Regulatory Compliance Needs
Equipment supporting compliance-heavy operations (e.g., PCI DSS for payment processing) should be a top priority. Compliance failures can lead to significant fines and operational disruptions.
3. Focus on Security Appliances
Firewalls, intrusion prevention systems, and other security devices should never fall behind. Upgrading these systems reduces the risk of breaches.
4. Deprioritize Internal Non-Critical Hardware
Devices that aren’t publicly accessible or don’t handle sensitive workloads can wait longer for upgrades. Allocate resources to higher-priority systems first.
5. Evaluate Industry-Specific Requirements
Different industries have unique needs. For example, if you are in the healthcare industry you may need to prioritize HIPAA compliance, while a manufacturing facility may focus on operational uptime and OT and IoT integration.
6. Understand New Technologies and Standards
Evaluate whether your business truly needs cutting-edge speeds like 100–400 Gbps or advanced wireless protocols like Wi-Fi 6/7. Some of these may be beneficial or even a necessity for your environment while others may be fun and interesting, but ultimately overkill.
7. Plan for Redundancy and Resilience
Minimize downtime during upgrades by implementing redundant configurations, such as switch stacks or failover systems. Test new hardware in a controlled environment before full deployment. Prepare a rollback plan in case the upgrade causes unexpected problems.
8. Budget for Total Cost of Ownership
Factor in not just upfront costs but also maintenance, power consumption, and future scalability. Strategic budgeting prevents overspending while ensuring long-term value.
9. Leverage Manufacturer Warranties and Lifecycles
Keep track of device warranties and lifecycle milestones. Upgrading before devices reach end-of-life ensures continued support and availability of parts.
10. Plan Incremental Upgrades
Given budget constraints, upgrading all equipment simultaneously is often impractical. Develop a phased approach to upgrade critical components first while spreading costs over time.
Strategically upgrading network equipment is essential for IT professionals tasked with maintaining a secure, high-performing, and compliant infrastructure. By recognizing the signs of aging hardware, prioritizing critical systems, and leveraging the right tools, you can optimize your upgrade strategy while minimizing disruptions and costs.
In conclusion, upgrading network equipment is vital for maintaining a secure, efficient, and compliant IT infrastructure. Aging devices pose significant risks, from performance issues to security vulnerabilities and compliance failures. Recognizing key signs such as poor performance, end-of-support, and compatibility challenges can help determine the right time for an upgrade. By leveraging advanced tools for IT asset and network discovery, prioritizing critical systems, planning upgrades strategically, and managing budgets effectively, organizations can ensure smoother transitions and long-term value. Regularly assessing the health of network components and adopting a phased approach will help maintain optimal performance while minimizing disruptions and unnecessary costs.
About the Author
Esben Dochy is Principal Technical Evangelist at Lansweeper. Lansweeper provides a complete, accurate, and unified view of all your technology assets in one centralized platform. By consolidating data across IT, OT, and cloud environments, Lansweeper ensures no asset is overlooked. It delivers actionable insights, identifies risks and opportunities, and automates time-consuming tasks, boosting productivity and saving valuable time. By seamlessly connecting teams and tools, Lansweeper enhances collaboration and drives cost-effective operational efficiency. Whether optimizing workflows, ensuring compliance, or improving resource allocation, Lansweeper transforms IT into a strategic enabler of success, empowering organizations to make smarter, data-driven decisions and achieve measurable business outcomes.
