Networking Training in Belgrade

Network Synchronization — OSA 5421 and FSP Network Manager (FSP NM) offers a concentrated introduction to the OSA 5421 platform and the FSP NM management system, highlighting their critical roles in ensuring precise synchronization across both packet and circuit-based networks.

This live, instructor-led training (available online or onsite) is designed for intermediate-level network and synchronization engineers who aim to deploy, configure, monitor, and troubleshoot synchronization solutions using OSA 5421 and FSP NM.

Upon completing this training, participants will be able to:

• Articulate synchronization principles and explain the role of OSA 5421 and FSP NM in mobile and transport networks.
• Describe the hardware and software architecture of the OSA 5421.
• Configure primary interfaces and timing sources, including SyncE and PTP.
• Apply monitoring and KPI techniques within FSP NM to sustain synchronization performance.
• Troubleshoot common synchronization faults and design resilient timing architectures.

Format of the Course

• Interactive lecture and discussion.
• Hands-on configuration and lab exercises.
• Real-world case studies and troubleshooting scenarios.

Course Customization Options

• To request a customized training for this course, please contact us to arrange.

The IP RAN Router serves as a key networking device and logical component responsible for aggregating, routing, and managing IP traffic between radio access network (RAN) elements and core network functions.

This instructor-led live training, available either online or on-site, is designed for intermediate-level network engineers and RAN specialists looking to deploy, configure, and troubleshoot IP RAN routing solutions.

After completing this training, participants will be equipped to:

• Explain the function and architecture of IP RAN routers in mobile networks.
• Configure core interfaces and establish basic routing for RAN connectivity.
• Deploy routing protocols commonly used in RAN environments, such as OSPF and BGP.
• Apply Quality of Service (QoS) and traffic engineering principles to prioritize RAN traffic.
• Resolve common issues encountered during deployment and operation.

Course Format

• Interactive lectures and discussions.
• Practical configuration exercises and laboratory sessions.
• Real-world case studies and troubleshooting scenarios.

Customization Options

• For customized training requirements, please contact us to arrange a tailored session.

GNS3 is a versatile network simulation tool that facilitates integration with automation frameworks, container-based services, and cloud environments to create advanced laboratory setups.

This instructor-led live training, available online or on-site, targets advanced networking professionals seeking to automate, containerize, and scale their GNS3 labs using real-world architectures that involve hybrid and multi-cloud platforms.

Upon completion of this training, participants will be able to:

• Automate network tasks using Python scripts and Ansible within GNS3 environments.
• Deploy Docker containers inside GNS3 to simulate network services and endpoints.
• Integrate GNS3 with cloud platforms such as AWS and Azure to establish hybrid lab environments.
• Design scalable topologies for multi-vendor testing and continuous integration.

Course Format

• Interactive lectures and discussions.
• Hands-on lab configuration using live GNS3 topologies.
• Integration exercises involving automation and container orchestration tools.

Customization Options

• To request customized training for this course, please contact us to arrange it.

GNS3 is a robust network simulation platform that allows professionals to construct, test, and validate intricate network designs within a virtualized setting.

This instructor-led, live training (available online or onsite) targets intermediate to advanced IT professionals looking to utilize GNS3 for network planning, testing, and replicating production environments.

By the conclusion of this training, participants will be capable of:

• Designing and simulating enterprise-level network architectures using GNS3.
• Replicating production environments to ensure safe testing and change validation.
• Incorporating real operating systems and services into GNS3 topologies.
• Leveraging GNS3 for troubleshooting, documentation, and client demonstrations.

Course Format

• Interactive lectures and discussions.
• Realistic network simulations and hands-on labs.
• Project-based exercises centered on design and testing use cases.

Customization Options

• To arrange customized training for this course, please contact us.

This instructor-led, live training in Belgrade (online or onsite) is aimed at intermediate-level networking professionals who wish to prepare for Cisco CCNA or CCNP certifications using GNS3 to simulate Cisco devices and build exam-aligned topologies.

By the end of this training, participants will be able to:

• Install and configure GNS3 for Cisco certification lab environments.
• Import and manage Cisco IOS images for routers and switches.
• Build and test topologies aligned with CCNA and CCNP exam objectives.
• Practice real-world routing, switching, and troubleshooting scenarios.

This instructor-led, live training in Belgrade (online or onsite) is aimed at intermediate-level IT architects, network administrators, and engineers who wish to deploy OpenDaylight in production environments, optimize its performance for large-scale use, and troubleshoot common issues in SDN deployments.

By the end of this training, participants will be able to:

• Deploy OpenDaylight in production environments for scalable SDN solutions.
• Optimize the performance of OpenDaylight deployments to handle high traffic volumes.
• Troubleshoot and resolve common issues in SDN deployments.
• Monitor and maintain OpenDaylight environments for long-term stability.
• Scale OpenDaylight deployments to meet growing network demands.

This instructor-led live training in Belgrade (online or onsite) is designed for intermediate-level SDN developers and software engineers who wish to learn how to build custom SDN applications using OpenDaylight APIs and YANG models to enhance network functionality and scalability.

By the end of this training, participants will be able to:

• Understand the architecture and components of OpenDaylight.
• Use OpenDaylight APIs to build SDN applications.
• Create and manage YANG models for network customization.
• Deploy, test, and debug custom applications in an OpenDaylight environment.
• Integrate OpenDaylight with external systems and network devices.

This instructor-led, live training in Belgrade (online or onsite) is aimed at beginner-level networking professionals who wish to learn how to use GNS3 to simulate basic networks and gain hands-on lab experience for certification and practical knowledge.

By the end of this training, participants will be able to:

• Install and configure GNS3 on their local system.
• Understand and use the GNS3 graphical interface and topology builder.
• Create and test basic network topologies with routers, switches, and PCs.
• Integrate GNS3 with tools like Wireshark for packet analysis.

This instructor-led live training in Belgrade (online or onsite) targets intermediate IT architects and network managers aiming to deploy and optimize ONOS in production, ensuring scalability, performance, and reliability.

By the end of this training, participants will be able to:

• Understand the architecture and core features of ONOS for production use.
• Deploy ONOS in a production environment using best practices.
• Configure clustering, redundancy, and fault tolerance in ONOS.
• Monitor, troubleshoot, and optimize ONOS deployments for scalability and performance.
• Integrate ONOS with existing network infrastructure and tools.
• Plan and execute a successful ONOS upgrade process.

This instructor-led, live training in Belgrade (online or on-site) targets intermediate SDN developers and network engineers interested in developing custom applications on the ONOS platform to address specific network challenges and enhance SDN capabilities.

By the end of this training, participants will be able to:

• Understand the architecture and core components of ONOS.
• Set up a development environment for ONOS applications.
• Create, test, and deploy ONOS applications for managing SDN networks.
• Integrate ONOS applications with external systems and APIs.
• Troubleshoot and optimize ONOS applications for performance and scalability.

This instructor-led, live training in Belgrade (online or onsite) is designed for intermediate network engineers and DevOps teams aiming to deploy, configure, and manage SDN solutions using the OpenDaylight platform.

Upon completion of this training, participants will be able to:

• Comprehend OpenDaylight's architecture, key components, and its role within SDN ecosystems.
• Install and configure OpenDaylight for diverse network scenarios.
• Develop and deploy network flows utilizing OpenDaylight controllers.
• Integrate OpenDaylight with SDN-capable devices and existing infrastructure.
• Troubleshoot and optimize OpenDaylight deployments for practical, real-world applications.

This instructor-led, live training in Belgrade (online or onsite) is designed for intermediate to advanced-level database administrators, network engineers, and IT professionals who aim to optimize database performance, scalability, and reliability using Spine-Leaf architecture with VXLAN.

By the end of this training, participants will be able to:

• Comprehend the Spine-Leaf network topology and its inherent benefits.
• Deploy VXLAN to establish scalable and efficient database networking.
• Optimize database workloads within distributed data center environments.
• Implement Spine-Leaf architecture across both cloud and on-premises data centers.
• Strengthen network security, redundancy, and fault tolerance for database environments.
• Automate network configurations for database management using Python and Ansible.

This instructor-led live training in Belgrade (online or onsite) targets intermediate to advanced networking professionals who wish to deepen their expertise in advanced Linux networking practices.

By the end of this training, participants will be able to:

• Implement advanced networking protocols and configurations under Linux.
• Configure and manage Virtual Private Networks (VPNs).
• Set up and secure firewalls for robust network security.
• Monitor and troubleshoot network performance issues.

This instructor-led, live training in Belgrade (online or onsite) is aimed at intermediate-level network engineers, DevOps teams, and SDN developers who wish to understand and manage SDN environments using ONOS effectively.

By the end of this training, participants will be able to:

• Understand the architecture and components of ONOS.
• Install and configure ONOS in a lab environment.
• Explore the capabilities of ONOS for managing SDN environments.
• Deploy, manage, and troubleshoot SDN networks using ONOS.

This instructor-led, live training in Belgrade (online or onsite) is designed for entry-level network engineers and IT administrators who aim to master fundamental OpenDaylight concepts, grasp its significance in network automation, and start automating network configurations and operations.

Upon completion of this training, participants will be able to:

• Grasp the role of OpenDaylight within software-defined networking (SDN).
• Install and configure OpenDaylight on a Linux-based system.
• Investigate the OpenDaylight architecture and its core features.
• Develop basic automated network configurations using OpenDaylight.
• Monitor and manage networks utilizing OpenDaylight controllers.

This instructor-led, live training in Belgrade (online or onsite) is aimed at anyone who wish to understand and implement a network and various types of servers under Linux.

By the end of this training, participants will be able to:

• Understand how networking works under Linux.
• Set up a sample LAN.
• Understand the various protocols used on the internet and implement each one under Linux.
• Secure a networking and various types of servers, such as a webs server.

This instructor-led, live training in Belgrade (online or onsite) is tailored for beginner-level networking professionals and IT administrators who want to master the foundational concepts of ONOS, its architecture, and its deployment for scalable SDN solutions.

Upon completing this training, participants will be able to:

• Grasp the role of ONOS within software-defined networking (SDN).
• Articulate the architecture and core components of ONOS.
• Install and configure ONOS on a Linux-based system.
• Establish a basic SDN network utilizing ONOS.
• Investigate ONOS features for managing and scaling network infrastructure.

This instructor-led, live training in Belgrade (online or onsite) is aimed at beginner-level network engineers and IT professionals who wish to gain a foundational understanding of SDN concepts, learn about the architecture of OpenDaylight, and perform basic installation and configuration tasks.

By the end of this training, participants will be able to:

• Understand the principles and benefits of software-defined networking (SDN).
• Explore the architecture and components of OpenDaylight.
• Install and configure OpenDaylight on a Linux system.
• Integrate OpenDaylight with networking devices.
• Execute basic OpenDaylight operations and commands.

This instructor-led, live training in Belgrade (online or onsite) is aimed at engineers who wish to optimize networking for Kubernetes clusters.

By the end of this training, participants will be able to:

• Install and configure Calico.
• Understand how Calico differs from traditional overlay networks.
• Understand how Calico combines internet routing protocols with consensus-based data stores.
• Use Calico to create a container networking solution for Kubernetes clusters.
• Use Calico to provide network policy for Kubernetes.

This course has a dual objective: to build a robust understanding of OpenStack architecture and to develop advanced troubleshooting capabilities. In the architecture segment, you will learn how to design hardware infrastructure for both public and private clouds, set up a high-availability control plane, select appropriate flavor sizes, and safely implement resource overcommitment. A critical component of the course is gaining deep insight into the internal workings of Neutron, the Networking Service. The troubleshooting section introduces methods for resolving issues within OpenStack clusters, covering everything from general best practices and network diagnostics to addressing complexities in core OpenStack services. Approximately 75% of the course content consists of practical, hands-on workshops conducted in a real-world OpenStack training environment.

This course provides comprehensive training on OpenStack. It begins with an introduction to the system and progresses through hands-on workshops to deliver practical knowledge for managing private clouds based on OpenStack. Finally, it covers troubleshooting and advanced architectural topics. The primary goal is to familiarize participants with the OpenStack ecosystem and provide a solid foundation for further expanding and refining OpenStack clouds. The curriculum includes all necessary topics to prepare for the OpenStack Administrator certification exam. Seventy-five percent of the training is dedicated to hands-on workshops in a real OpenStack training environment.

This program offers a thorough training on OpenStack. The extended variant of the OpenStack Bootcamp course features additional exercises, troubleshooting scenarios, and sample examination tasks. Extended content is emphasized in bold within the course outline. The curriculum begins with an introduction to the system, progresses through practical workshops that provide hands-on knowledge for managing private OpenStack clouds, and concludes with troubleshooting and advanced architectural topics. The primary objective is to familiarize participants with the OpenStack ecosystem and provide a robust foundation for further expansion and refinement of OpenStack clouds. This course covers all necessary topics to prepare for the OpenStack Administrator certification exam. Seventy-five percent of the training is dedicated to hands-on workshops in a real OpenStack training environment. Upon completion, participants receive all course materials and access to the training environment for self-study and further troubleshooting exercises.

Customization options

The full course is designed for a minimum duration of five days. The schedule can be shortened if certain topics are not relevant to the customer. For beginners to OpenStack who may require a slower pace, it is recommended to extend the course to six days or remove some advanced topics. Additionally, the course can be extended by one additional day to present OVN (Open Virtual Network) topics.

This course offers an in-depth training on OpenStack networking. It begins with an introduction to OpenStack and its architecture, then clarifies the core OpenStack projects: Identity service (Keystone), Image service (Glance), Compute service (Nova), and Block storage (Cinder). This provides context for understanding the network environment within OpenStack, with a primary focus on the Networking project (Neutron). The virtual network infrastructure is described based on the Open Virtual Network project, Open vSwitch, and OpenFlow. The course goal is to help participants understand the basic operations and architecture of OpenStack, as well as familiarize them with various networking technologies behind OpenStack, including detailed information about OVN, underlying flows, resources, and tools.

Customization options

The training can be contracted for 2 days, focusing on core aspects relevant to the customer. It can also be extended regarding administrative, design, networking, and/or troubleshooting topics concerning OpenStack deployments. Other underlying SDN solutions, such as Linux Bridge or OvS, can also be covered.

AI comprises a suite of technologies designed to build intelligent systems that can interpret data and the context surrounding it to make "informed decisions." For telecom providers, leveraging AI in applications and services can unlock opportunities to enhance operations and service delivery, particularly in areas like maintenance and network optimization.

This course explores the diverse technologies that constitute AI and the skill sets necessary to implement them. Throughout the curriculum, we analyze specific AI applications within the telecommunications industry.

Audience

• Network engineers
• Network operations personnel
• Telecom technical managers

Format of the course

• A blend of lectures, discussions, and hands-on exercises

This four-day, instructor-led practical course is designed to familiarize participants with the Cisco ASA Firewall Command Line Interface (CLI) and the Adaptive Security Device Manager (ASDM). The curriculum covers essential commands for configuring and securing networks using the ASA Firewall, specifically focusing on operating system version 8 and ASDM version 6.

Participants will learn to configure the ASA via the console port, TFTP server, Telnet, and SSH, utilizing both local and RADIUS authentication methods. Additionally, the device will be configured to leverage Syslog and SNMP for monitoring and management.

Training includes configuring the ASA for access control lists, Network Address Translation (NAT), and Virtual Private Networks (VPNs) using IPsec protocols. The course explores the theory behind public/private keys and shared secret keys, detailing their role in establishing site-to-site VPNs between ASA devices using IKE and IPsec. Students will configure the units to create site-to-site VPNs, remote access VPNs using the Cisco Secure VPN Client, and Web VPNs. The course also covers the concept of failover, with hands-on configuration of Active/Standby failover on the ASA.

Privileged commands and protocol analyzer traces will be employed, where necessary, to debug protocols and ensure the proper operation of the ASA Firewall. Students will also perform password recovery operations.

This course involves interfacing the ASA with other network equipment, such as routers and switches, reflecting typical network environment scenarios.

Audience:

The course is suitable for anyone involved in ASA firewall configuration and network security.

The course is approximately 50% practical.

The CNE6 Gold represents an advanced-level training program focused on IPv6 network engineering. This course is designed to provide comprehensive knowledge on how to design, implement, and operate IPv6 networks.

What will you learn?

• IPv6 Refresher
• IPv6 Routing
• IPv6 Transition revisited
• IPv6 Mobility
• DHCPv6
• IPSec
• IPv6 Security Considerations
• IPv6 Deployment Case Studies

Format of the Course

• Interactive lecture and discussion.
• Extensive exercises and practice.
• Hands-on implementation in a live-lab environment.

Course Customization Options

• To request a customized training for this course, please contact us to arrange.

The CNE6 Silver training program is designed to provide foundational information on IPv6 technology and equip participants with the technical know-how to begin IPv6 implementation.

What will you learn

a) Reasons for migrating to the IPv6 platform

b) IPv6 addressing architecture

c) IPv6 packet structure and header format

d) IPv6 address assignment using the Neighbor Discovery protocol

e) IPv6 transition mechanisms

Format of the Course

• Interactive lectures and discussions.
• Extensive exercises and practice sessions.
• Hands-on implementation in a live lab environment.

Course Customization Options

• To request a customized training for this course, please contact us to arrange.

This training is tailored for software and computer engineers—including designers, developers, and testers—as well as programmers involved in creating and validating IP applications. It aims to deepen participants' understanding of constructing IPv6 solutions and adapting existing IPv4 applications to function within IPv6 network environments. Key topics include the socket API, and comparative programming techniques for IPv4 and IPv6 using C/C++ and Visual C#.NET.

Learning Outcomes

• Review of IPv6 fundamentals.
• Foundations of IPv6 programming.
• Techniques for IPv6 socket programming.
• IPv6 network layer programming.

Course Structure

• Interactive lectures and discussions.
• Extensive practical exercises.
• Live laboratory sessions for hands-on implementation.

Customization Options

• To arrange a customized version of this course, please get in touch with us.

The CSE6 Gold program represents an advanced level of study focused on IPv6 Security. It is designed to deliver comprehensive insights into the architecture and deployment of secure IPv6 infrastructures.

Course Delivery Format

• Interactive lectures combined with guided discussions.
• Extensive exercises and practical drills.
• Real-world implementation exercises within a live lab environment.

Customization Opportunities

• For those seeking a tailored training experience, please reach out to us to make the necessary arrangements.

The CSE6 Silver training program is designed to provide fundamental information on the implementation of security parameters during the transition from IPv4 to IPv6 and expose participants to the security issues involved in deploying IPv6 within an organizational network. This course offers a foundational understanding of the security challenges associated with IPv6 and serves as a prerequisite for the Certified Security Engineer for IPv6 (CSE6) Gold certification.

What Will You Learn?

a) Review of IPv6

b) IPv6 security issues

c) IPv6 security features

d) IPv6 attacks

Format of the Course

• Interactive lectures and discussions.
• Extensive exercises and practice.
• Hands-on implementation in a live-lab environment.

Course Customization Options

• To request customized training for this course, please contact us to arrange.

In this instructor-led, live training in Belgrade, participants will learn the critical features of DNS while carrying out exercises in the setup and configuration of a BIND DNS server on Linux. The course starts with a refresher on key networking principles, then digs into hands-on practice with setup and configuration. Steadily, the discussion and practices move towards more complex topics such as security, availability, debugging and troubleshooting.

This course explores computer networking, focusing on how devices communicate and share data across local and global networks.

In this two-day course, we explore the theory and technology behind IPSec VPNs. These VPNs are configured on Cisco IOS Routers and ASA Firewalls devices via the web interface. The mechanics of the protocols are analyzed through debug commands and protocol analyzer traces of the relevant negotiations.

Audience:

This course is suitable for network planners, engineers, or anyone with an interest in IPSec VPNs.

The course consists of approximately 40% practical work.

This two-day theoretical course, supplemented by practical demonstrations, delves into the core principles of Internet Protocol version 6. The curriculum covers essential topics such as addressing schemes, protocol structures, ICMPv6 mechanisms, discovery procedures, and IPv6 routing strategies.

Target Audience:

This course is designed for network planners, designers, and engineers who need a solid understanding of IPv6. It is also ideal for professionals seeking a thorough overview of IPv6 and the transition from an IPv4 infrastructure.

This instructor-led, live training in Belgrade (online or onsite) is aimed at beginner-level / intermediate-level / advanced-level IT professionals who wish to use Linux networking tools to build, configure, and support a custom router with WAN, LAN bridging, NAT, and DHCP services.

By the end of this training, participants will be able to: configure network interfaces, enable routing and NAT, deploy DHCP services, and troubleshoot router connectivity issues.

This instructor-led, live training in Belgrade (online or onsite) is aimed at network engineers who wish to use Linux for network engineering.

By the end of this training, participants will be able to:

• Set up Linux services for networking.
• Replace switches with Linux switches.
• Use Linux commands to manage processes.
• Configure an SDN to automate network maintenance.

This instructor-led live training in Belgrade (online or onsite) is aimed at network engineers who wish to maintain, manage, and design computer networks with Python.

By the end of this training, participants will be able to:

• Optimize and leverage Paramiko, Netmiko, Napalm, Telnet, and pyntc for network automation with Python.
• Master multi-threading and multiprocessing in network automation.
• Use GNS3 and Python for network programming.

In this instructor-led, live training held in Belgrade (online or onsite), participants will learn how to utilize ONAP to automate networking services.

By the conclusion of this training, participants will be able to:

• Understand, install, and configure the various components within the ONAP ecosystem.
• Perform real-time, policy-driven orchestration and automation of physical and virtual network functions.
• Design, create, orchestrate, and monitor VNFs, SDNs, and other network services.
• Efficiently manage the entire networking lifecycle using a software-driven approach.
• Develop, deploy, and scale a network using the latest open source technologies and practices.

This instructor-led live training in Belgrade (online or onsite) is designed for networking engineers and developers who wish to configure, run, and manage programmable networking resources using P4.

By the end of this training, participants will be able to:

• Learn the fundamentals of the P4 language.
• Program network devices.
• Set up a server for traffic management.
• Compile and execute a P4 program to control plane applications.
• Manage network congestion using monitoring and debugging methods.

This course provides an introduction to the installation, operation, configuration, and verification of basic Internet Protocol version 4 (IPv4) networks. Key topics include configuring LAN switches and IP routers, connecting to wide area networks (WAN), and identifying fundamental security threats.

By completing this course, you will be able to:

Install, operate, configure, and verify a basic IPv4 network.

Perform essential troubleshooting steps in an enterprise branch office environment.

Course Format

• Interactive lectures and discussions.
• Numerous exercises and practice opportunities.
• Hands-on implementation within a live-lab environment.

Course Customization Options

• To request customized training for this course, please contact us to make arrangements.

This instructor-led, live training in Belgrade (online or onsite) is aimed at network engineers who wish to converge storage infrastructures with SAN and NAS.

By the end of this training, participants will be able to:

• Perform configurations of SAN and NAS storage on a storage system.
• Connect to storage systems and devices from a client.
• Compare SAN and NAS solutions for centralized storage.

This instructor-led, live training in Belgrade (online or onsite) is aimed at system administrators, network engineers, and developers who wish to install, configure, and manage controllers, applications, and networking devices under an SDN.

By the end of this training, participants will be able to:

• Set up a virtual network.
• Create applications.
• Use controllers to operate a software-defined network.

This instructor-led, live training in Belgrade (online or onsite) targets intermediate-level network engineers and infrastructure administrators who wish to implement software-defined networks using open source tools and technologies.

By the end of this training, participants will be able to design SDN architectures, implement Open vSwitch, configure FRRouting, deploy SDN controllers, and automate network management.

This instructor-led live training in Belgrade (online or onsite) is aimed at intermediate-level network and infrastructure professionals who wish to use open-source routing, switching, Wi-Fi, and management tools to design, deploy, and operate a self-managed enterprise network.

By the end of this training, participants will be able to design an open-source enterprise network architecture, configure routing, switching, and wireless services, enhance security and observability, and build an operational plan for ongoing support.

This four-day program combines explanatory sessions—utilizing protocol analyzer traces where appropriate—with hands-on experiments to test and verify TCP/IP network operations. Key components of the TCP/IP protocol stack are explored, including subnetting, supernetting, and the implementation of dynamic routing protocols. TCP and UDP are compared and contrasted, focusing on the end-to-end reliability and congestion avoidance mechanisms of the TCP/IP stack. Several application layer protocols, such as HTTP, TLS, DNS, and DHCP, are examined throughout the course. Network security, specifically TLS, is addressed from both theoretical and practical perspectives. The practical exercises are designed to reinforce theoretical concepts, deepen understanding of underlying protocols, and enhance delegates' problem-solving skills.

Audience:

Ideal for anyone seeking a comprehensive understanding of TCP/IP.

The course is approximately 50% practical.

This instructor-led, live training in Belgrade (online or onsite) is designed for beginner to intermediate IT professionals who seek to understand the fundamentals and principles of modern information and communication technologies and their applications.

By the end of this training, participants will be able to:

• Explain the main components and functions of the internet architecture and how they interact.
• Describe the features and benefits of modern network solutions and implementations, such as fiber technology, clustering, and internet of things.
• Understand the concepts and models of cloud computing and its services, such as infrastructure as a service and virtualization.
• Identify the future trends and directions of information and communication technologies and their implications.

Voice over IP (VoIP) technology enables users to conduct voice calls via an Internet connection rather than traditional telephone lines.

In this instructor-led, live training session, participants will acquire the skills necessary to deploy a VoIP system utilizing Cisco CallManager Express.

Upon completion of this training, participants will be capable of:

• Grasping core VoIP concepts
• Mastering the operation of VoIP hardware
• Configuring CISCO routers for VoIP applications
• Integrating VoIP and CallManager Express into existing network infrastructures
• Setting up CME features to support SIP, SCCP, and softphones
• Utilizing advanced CME configuration settings and functionalities

Target Audience

• Managers
• System administrators
• Software and support system developers
• Technicians
• Network engineers

Course Format

• A blend of lectures, discussions, exercises, and extensive hands-on practice

This instructor-led, live training in Belgrade (online or onsite) is aimed at security engineers and system administrators who wish to deploy and manage enterprise-grade self-hosted VPN solutions using WireGuard and OpenVPN.

By the end of this training, participants will be able to deploy WireGuard and OpenVPN, design scalable architectures, integrate with identity systems, and monitor/secure VPN infrastructure.

This instructor-led, live training in Belgrade (online or onsite) is aimed at intermediate-level to advanced-level security professionals who wish to implement Zero Trust Architecture using open-source tools and sovereign infrastructure.

By the end of this training, participants will be able to design Zero Trust architectures, deploy identity-aware proxies, implement dynamic authentication, secure microservices with service mesh, and monitor zero trust policies.

This course delivers hands-on expertise in OpenStack and private cloud security. It begins with an introduction to the system, followed by practical guidance on securing private clouds and hardening OpenStack installations. Throughout the training, participants explore each core OpenStack module, constructing virtual identities, images, networks, compute nodes, and storage resources while addressing key security considerations. Each attendee receives a dedicated training environment featuring a complete OpenStack deployment tailored to a specific cloud architecture (such as storage or networking). The program can be extensively customized to align with client requirements.

Customization options
The training duration can be adjusted to two days, concentrating on the core areas most relevant to the customer. Additionally, the scope can be expanded to cover administrative tasks, design patterns, networking configurations, or troubleshooting techniques related to OpenStack deployments.