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IP and Mobile Trends and Education

 
06.2020

Wi-Fi 6: Q&A

What is Wi-Fi 6 (IEEE802.11ax)? How does it compare to Wi-Fi 5 (IEEE802.11ac)? Will older phones connect to Wi-Fi 6? The post combines the most frequently asked questions about Wi-Fi 6.

05.2020

Dual Connectivity – Practical Aspects

You may wonder why I’m writing about Dual Connectivity. After all, it comes from LTE in Rel-12, when we are currently within the Rel-16/17 timeframe. The reason for this is that the DC from LTE is treated as a baseline. The enhanced version is incorporated within 5G as one of the main features to allow the so-called Multi-RAT DC (MR-DC). If we look from a broader perspective, we have a multitude of use cases for DC, including LTE-DC, NR-DC, LTE-NR-DC, NR-LTE-DC, LWA. Therefore, this post aims at shedding light on the different aspects of DC, being the legacy feature, which can be extrapolated towards the current situation. 

04.2020

VPN remote access with Duo Multi-Factor Authentication. Demo

I am presenting a video showing how Duo can be used as second factor authentication (push app notification in this case) for VPN remote access connections.

Author: Marcin Bialy
03.2020

Adoption of Smart Cities with a Practical Smart Building Implementation (magazine paper)

This is a short overview on Smart Cities and company’s IoT product deployment case study, which is based on the article “Adoption of Smart Cities with a Practical Smart Building Implementation“ [1] by Marcin Dryjański, Mateusz Buczkowski, Youssouf Ould-Cheikh-Mouhamedou, and Adrian Kliks which is a magazine article in IEEE Internet of Things Magazine.   Abstract [1] […]

03.2020

How does Zero-Touch-Provisioning (ZTP) in Cisco SD-WAN work?

The Zero-Touch Provisioning (called ZTP) is the one of the concept behind SD-WAN that I mentioned here in What is SD-WAN article that I wrote about year ago. Frankly speaking, ZTP is something that every (or almost every) SD-WAN vendor has implemented. In this post I am going to dig into detail to the Cisco SDWAN ZTP.

Author: Marcin Bialy
03.2020

How to achieve Multi-Factor Authentication for RDP sessions?

In this blog post, I am sharing a video showing how to use Multi-Factor Authentication for RDP (Remote Desktop) sessions. We’ll use Cisco Duo Security as the second factor (push app) authentication method. This recording was prepared for one of our Grandmetric Tech Meetings. Lab schema:   RDP and second factor authentication live demo   […]

Author: Marcin Bialy
03.2020

VPN as a Service from Grandmetric during COVID-19

For the times of coronavirus (COVID-19) pandemic, Grandmetric has setup VPN as a service hub. If your company is lacking VPN SSL licenses, IPSec VPN performance, VPN appliances or simply enough knowledge, your employees can easily connect to Grandmetric VPN Hub

Author: Grandmetric
02.2020

Grandmetric Tech Meeting #2 Enterprise Connectivity & Data Center

25th of February took place our Grandmetric Tech Meeting #2 titled Enterprise Connectivity & Data Center. This time, after great feedback from attendees of Tech Meeting #1 where we focused on Enterprise Security aspects, we decided to present the connectivity and DC technologies behind the slogans: SD-WAN, MFA, Hyperconvergence, VXLAN and EVPN DC. We carefully selected materials and speakers to provide highest quality to the audience. Tech meetings are mostly about technologies and almost no marketing. Our speakers are experienced engineers, architects or managers to deliver knowledge in the best way and of best quality.

Author: Grandmetric
02.2020

Grandmetric Events 2019 and what’s next in 2020?

As for previous years, 2019 abounded with the different types of events for Grandmetric crew. This post reminds the Grandmetric events tour in 2019 chronologically. We also projected our presence and initiatives for the 2020 so we lift the curtain a bit in this post.

Author: Grandmetric
01.2020

Wi-Fi issues: site-surveys and troubleshooting

Recently, we’ve been doing numerous site surveys and verification of Wi-Fi deployments in offices with more than 50APs per office in a managed setup (meaning that the APs are under the supervision of a wireless controller). In this post, I’d like to sketch an overview of the encountered issues and improvement suggestions.

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