Wednesday, July 8, 2015

SSH connection drop issue for Ubuntu virtualbox guest on Windows 7 host with NAT network

The problem was really annoying when I need to ssh to some Linux servers from the Ubuntu virtualbox guest. As I remember, it started after I updated the VirtualBox platform to 4.3.26 or updated the guest from 12.04 to 14.04. The fix was surprisingly simple. See

With the default Intel adapter, ssh connections were always dropped. When switching to the first non-Intel adapter, the issue was gone.