News & Blog

We are excited to announce first Networking Bootcamp Tour around the Poland. We're going to visit cities of Poland and give you the opportunity to attend the super efficient network training with experienced instructors! For detailed course descriptions, dates and places visit our special dedicated site at
We are proud to announce our new website along with our new logo.
With this post "What is DHCP and how does it work?" post we are starting a new cycle of "Explained" blog posts dedicated to explaining networking fundamentals. If you want to read about a certain topic, please leave a message or comment posts!
03.2017 is launching “Towards 5G: Research and Standardization Course” where Grandmetric contributed to the preparation of the content and outline.


Networking Bootcamp Grand Tour is our first initiative to travel around the Poland with our mobile dedicated network courses. We’re going to visit cities of Poland and give you the opportunity to attend the super efficient network training with experienced instructors! For detailed course descriptions, dates and places visit our dedicated site at where you can enroll and ask questions ! Can’t wait for your attendance!
This Guidepaper starts with the features covered under the umbrella of LTE-Advanced Pro and is divided into the ones standardized within Rel-13 and Rel-14. Further enhancements are also shortlisted and outlined in taking LTE-Advanced Pro to Rel-15. Next chapters elaborate some of the features in more details including: the integration of LTE-Advanced Pro with WiFi at the RAN level, LTE interface version for unlicensed spectrum access (Licensed Assisted Access), and LTE feature for massive MTC, namely Narrowband-IoT.
The ever-increasing needs for more spectrum resources, and the emerging new Radio Access Technologies under the 5G umbrella add to the complexity of the Spectrum Toolbox in mobile networks landscape. This article covers 3GPP LTE evolution from Release 8 up to the Release 14, which deals with the LTE-Advanced Pro enhancements.
This course guides through the practical application of Cisco Idenity Services Engine policy control system in Enterprise environment. Students will learn how to install and configure ISE main functionalities like 8021.X, MAC Authentication Bypass, Guest Access or BYOD process. Course is also focused on troubleshooting network access.


Grandmetric is an IT&Telco Next Generation Consulting company providing technical as well as business insights along with technical trainings and advanced services specializing in wireless communications, IP networking and network security.

Mobile Networks

Mobile networks have been in spotlight since the introduction of LTE, back in 2009. Since then, there has been significant growth in mobile network technology at a very fast pace which includes introduction of Small Cells & Heterogeneous Networks (HetNets), Internet-of-Things (IoT), Self-Organizing Networks (SON), virtualization and 5G. Check how Grandmetric can help you to understand latest radio trends and to decide in future investments in technology.

Enterprise networks

There are huge range of technology aspects covering modern enterprises requirements. Starting with fundamental LAN and WAN connectivity, Internet Edges, Data Centers, mobility and collaboration and the data security and ending with the latest Software Defined Networks, Cloud directions managers, architects and engineers might be confused which way to go. Grandmetric with their expertise, enterprise experience and research help enterprises to transform.

Network security

Confidentiality of data, importance of service continuity and consistently growing online business makes Security number one topic in IT business. There are many approaches, products, visions and vendors that address some security challenges. Due to the research, analysis and comparative studies done by our team with strong security background and experience we know how to choose the best path to secure your network and services.


Marcin Bialy
Advisory Architect | Board Member
Marcin Bialy

Marcin is a Head of IP & Security areas in Grandmetric. He conducts Grandmetric authorized training and is heading research in IP and Network Security areas. Acting as a Board Member defines company’s strategy .
Marcin Dryjanski
Principal Consultant | Board Member
Marcin Dryjanski

Marcin is heading the mobile communications field in Grandmetric. He is heading technical consulting and research in 5G area and is responsible for defining company’s strategy and service portfolio in the area of mobile communications.