VPN as a Service from Grandmetric during COVID-19

Author: Grandmetric

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
11.2019

New Cisco SD-WAN Training in Grandmetric Bootcamps portfolio

We are glad to announce that our new bootcamp: Cisco SD-WAN Training is fully prepared, available and ready to deliver. This 2-Day, instructor led training covers the most important topics of Cisco SD-WAN technology (former Viptela), from Software-Defined WAN theory fundamentals to hands-on excercises for the most common real world example

Author: Grandmetric
Category:
10.2019

1st Tech Meeting Series – Enterprise Security Overview – Summary

On 8th of October 2019 we hosted first event from the new series: Tech Meeting Series. The conference cycle is intended for IT departments, engineers and IT managers who want to follow latest technology trends, want to talk about the technology with others, share experience and look for solutions best suitable for their organizations.

Author: Grandmetric
05.2019

Grandmetric to deliver first SD-WAN implementation in Poland

We are very proud to announce that Grandmetric successfuly delivered the first Software-Defined production network in quarter 1 2019 for Pfeifer & Langen Polska S.A. The implementation was part of network and IT operations optimization project for one of the largest sugar manufacturer in this part of Europe.

Author: Grandmetric
04.2018

IPSec tunnel between Cisco IOS router and AWS VPC. Static VTI and crypto map with HSRP redundancy.

Recently i was asked to advise in the following scenario: VPN tunnel between AWS VPC and Cisco IOS routers on DC prem. Nothing sophisticated but: Two ISR 4k, HSRP VPN redundancy, legacy crypto maps in production (several working vpns) and Static VTI (AWS). Two Crypto structures sourced from one HSRP. I have put the results on blog.

Author: Grandmetric
04.2018

Cisco IOS XE Static Credential Vulnerability (Catalyst Switches, ISR4k and ASR1k Routers)

Cisco has stated that there is a vulnerability in Cisco IOS XE 16.X version (bug does not affect releases prior IOS XE 16.X)  that allows remote attacker to log in to the system with privilege 15 with default username cisco. This bug affects the platforms supported by IOS XE software, inter alia following:   Catalyst […]

Author: Grandmetric
03.2018

How does a switch work?

To explain how does a switch work, let me make an introduction to the subject by explaining background of TCP/IP stack layers, frame and the purpose of switch. This will help you to understand the exact operation of switch which is the main agenda here. To allow communication between billions of computer devices, intermediate network […]

Author: Grandmetric
03.2017

VPN Remote Access with Multi Factor Authentication Experience – Case Study

I would like to share my experience with VPN Remote Access and Multi Factor Authentication with products from Cisco and Duo Security: Cisco Identity Services Engine 2.X, Cisco ASA 5500-X Anyconnect Secure Mobility Client (VPN client) MFA Cloud based services from Duo Security   Background of Multi Factor Authentication Multi Factor Authentication (MFA) is already quite well […]

Author: Grandmetric
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