Author Archives: Cary Sun

About Cary Sun

Cary Sun is a Principal Consultant, He has a strong background specializing in datacenter and deployment solutions, and has spent over 20 years in the planning, design, and implementation of network technologies and Management and system integration.He hold CISCO CERTIFIED INTERNETWORK EXPERT (CCIE No.4531) from 1999.Cary is also a Microsoft Most Valuable Professional (MVP) and Cisco Champion, He is a published author with serveral titles, include blogs on Checkyourlogs.net, author for many books. Specialties: CCIE /CCNA / MCSE / MCITP / MCTS / MCSA / Solution Expert / CCA Blog: http://www.carysun.com http://www.checkyourlogs.net http://gooddealmart.com Twitter:@SifuSun

SECURE ACCESS INTERNAL NETWORK RESOURCES WITHOUT VPN – DIRECTACCESS PART2 #DIRECTACCESS #WINDOWSSERVER #MVPHOUR #STEP-BY-STEP

Certificate prepare for Direct Access Provision DA Server with a certificate for IP-HTTPS Log on DA Server. From the Start screen, type mmc, and then press ENTER. Click File, and… Read more »

KRACK IS ATTACKING Wi-Fi WPA2 VULNERABILITY

As we know, the WPA2 security protocol is using to protect and security communications Wi-Fi networks for many years, but the vulnerability affects all the most devices and operating system, included network devices, mobile devices,
Internet of Things (IoT) devices, Android, Apple, Windows, Linux, and more, if your devices support Wi-Fi, it most likely affected.

NON-RDMA STORAGE SPACE DIRECT STRESS TEST STEPS and RESULT

Today, I am going to do stress test for NON-RDMA Storage space direct servers, the customer use their existing Cisco Catalyst 4500-x for Storage space direct servers, as we know, it doesn’t support DCB and PFC function, so, we will focus on stress test result for Storage space direct servers without enable RDMA and see how’s the performance.
Here we will use VMFleet and DISKSPD tools to test the performance, VMFLeet is a basic collet bunch of PowerShell scripts to easy create VMs and run stress tests. Let’s follow the steps to do.

SITE TO SITE VPN BETWEEN CISCO MERAKI WITH AZURE AND VEEAM BACKUP COPY TO AZURE – PART 2

Veeam backup copy to Azure After build Site-to-site VPN between Cisco Meraki with Azure, let’s continually settings for Veeam backup copy to Azure. Settings in Azure site Logon to Azure… Read more »

SITE TO SITE VPN BETWEEN CISCO MERAKI WITH AZURE AND VEEAM BACKUP COPY TO AZURE – PART1

Today, a customer asks me to build a Site-to-Site VPN between their Meraki environment with Azure, they also need Veeam backup copy to Azure, they are using other cloud provider… Read more »