MTU May Impact VPN Connection Performance


Have you ever experienced that the site2site VPN connection performance is poor despite the Internet connection between the two sides is good and both equipment works properly? I met this situation once. And it turned out to be caused by the settings of MTU (Maximum Transfer Unit). The default MTU of Ethernet is 1,500 Bytes. … Continue reading MTU May Impact VPN Connection Performance

Batch Script: Windows AD Migration


I worked on a Windows domain migration project several months ago. The P company acquired the B company, and request to migrate all former B company’s employees’ desktops and laptops to P company’s AD domain. Firstly, I created all new AD accounts for B company’s employees in P company’s AD. Then I wrote the following … Continue reading Batch Script: Windows AD Migration