Network Segmentation Made Easy with OpManager Plus

Ever felt like you have a network that’s going to blow up someday into a disaster? Well, you aren’t alone. As companies expand, their networks become more intricate, posing challenges in ensuring seamless operations and strong security measures.

Network segmentation involves dividing your network into smaller, more manageable sections, akin to establishing various coloured zones in a state.

Each segment, known as a zone, functions as an independent, small-scale network with its unique access regulations and guidelines.

There are two main ways to segment a network.

• Physical segmentation
• Logical segmentation

Physical segmentation

Physical segmentation was dominant before the cloud era. Dividing the network into distinct physical segments using hardware devices such as firewalls and routers is the primary idea behind this approach.

Each section is equipped with its own firewall, which serves as a guard regulating the flow of incoming and outgoing data.

Logical segmentation

Logical segmentation creates virtual sub-networks within the physical network infrastructure using software-based methods. This approach is more economical and adaptable than physical segmentation and is often implemented using VLANs.

Virtual local area networks (VLANs):

VLANs employ Layer 2 switching to categorize devices logically, irrespective of where they are physically situated on the network.

Devices in the same VLAN can communicate with each other without any restrictions, but traffic is limited between different VLANs.

Access control lists (ACLs):

Using ACLs is another way of segmenting and isolating a network.

ACLs consist of rules that determine what traffic is permitted or prohibited on a network. They can be deployed on routers, switches, and firewalls to enhance precise management of traffic movement within and across network segments.

The pitfalls of network segmentation

Segmenting networks enhances security and performance by isolating resources, users, and controlling traffic flow. However, it also presents its own obstacles that must be overcome.Here are some of the challenges you may face when segmenting your network:

• Increased complexity: Segmenting your network increases architectural complexity. You will have to handle a greater quantity of network devices, security policies, and access control rules. This can pose a particular challenge for extensive and intricate networks.
• Administrative burden: Implementing network segmentation and keeping it up to date demands continuous dedication from network administrators. As the number of segments increases, the workload of managing firewalls, VLANs, ACLs, and other segmentation controls also increases.
• Balancing security and usability: Security and usability are key. Overly strict segmentation policies may impede user efficiency and application performance. On the other hand, lenient segmentation policies could expose your network to security threats.
• Visibility challenges: Segmenting your network may result in establishing zones with decreased visibility across your entire network. You must have strong monitoring tools and strategies in place to ensure you have a comprehensive understanding of the activities occurring in all your network segments.

Unleash the Power of Network Segmentation with OpManager Plus

OpManager Plus is a complete network management solution that enables you to easily set up network segmentation and efficiently oversee your segmented network. Here is how OpManager Plus enhances your network segmentation strategy:

Effortless physical segmentation with firewall management

OpManager Plus finds firewalls in your network and sets rules for traffic between segments, allowing only authorized traffic. You can also control:

• Intranet segmentation: OpManager Plus secures network segments by separating internal and external traffic across various network segments.
• Misconfiguration and anomaly detection: By having OpManager Plus scan your firewall rules in advance for inconsistencies and potential security vulnerabilities, you can detect and fix problems before they are taken advantage of by malicious actors.
• Security audit reports: Gain in-depth reports that offer insights into how effective your firewall segmentation strategy is, identify possible security vulnerabilities, and receive practical recommendations for enhancement.
• Threat detection and forensic analysis: OpManager Plus examines firewall logs to identify questionable behavior and possible threats, enabling you to promptly address security vulnerabilities.

Easy logical segmentation with VLANs and ACLs

OpManager Plus has the capability to simplify the process of setting up and controlling VLANs and ACLs on your network switches.

• VLAN management: You can use pre-made templates (Configlets) to automate recurring VLAN configuration tasks, which helps save time and energy. This guarantees that you have a detailed record of any adjustments made to your network settings, such as creating or altering VLANs. It allows for easy restoration of previous configurations if needed.
• ACL management: OpManager Plus gives you the ability to establish and oversee ACLs for precise management of traffic within your network segments. You have the ability to establish rules that allow or restrict access to certain network resources or entire segments.

Ensuring visibility through network monitoring:

Network segmentation may lead to blind spots in your network. OpManager Plus provides a complete network monitoring suite for full visibility into the performance and health of your segmented network.

• Real-time monitoring: Gain real-time insights into the performance of network devices like firewalls, switches, routers, and servers.Identify and resolve potential problems before they significantly impact the performance of your network.
• Application performance monitoring: OpManager Plus expands its monitoring capabilities to cover applications in addition to network devices.This enables you to track the efficiency of essential business applications and guarantee they operate at their best in every network segment.
• Alerting and reporting: OpManager Plus can be set up to automatically send notifications when a device or application faces a drop in performance or runs into an issue. OpManager Plus also produces in-depth reports that offer information on the health of the network, how resources are being utilized, and the overall performance of the network segments.

OpManager Plus: The Ultimate Advantage

OpManager Plus provides numerous benefits that set it apart as an excellent option for overseeing your segmented network.

• A unified platform: OpManager Plus brings together various network management features into one easy-to-use platform. This simplifies network administration and reduces complexity by removing the requirement for various separate tools.
• Scalability: OpManager Plus has the capability to expand as your network requirements increase. This solution is capable of handling both small network and large enterprise infrastructure, whether you are managing one or the other.
• Cost-effectiveness: OpManager Plus offers a more budget-friendly option than implementing and overseeing various individual tools for network segmentation and management.
• Ease of use: OpManager Plus has an interface that is easy to use and makes network management tasks simpler, even for administrators who may not have much technical knowledge.

Try out ManageEngine OpManager Plus now to address all your network segmentation requirements, including setting up firewalls, establishing VLANs, implementing ACLs, and overseeing the performance of your segmented network.

Check out our free online demo, or ask for a personalized demo. You can also access a 30-day trial with complete monitoring and management features.

Author Name: Sandhya Saravanan

About the Author: Sandhya Saravanan is a Product Marketer at ManageEngine. She creates user-friendly content that drives awareness around advanced network monitoring, observability, and AIOps. Beyond work, she’s an art enthusiast and volunteers at a non-governmental organization.