id summary reporter owner description type status component version resolution keywords cc guest host 10286 TFTP connection over NAT broken if external server is used -> fixed in SVN kabassanov "Hello, I've tried to use an external TFTP server during PXE boot from a virtual host (--nattftpserver1 ""...""). NAT is configured for this host with its default network settings (10.0.2.0/24). The public IP of the hosting PC is a valid global address. When PXE boot tries to establish a connection to the server, its packets seem to be intercepted by the internal TFTP server and they are not forwarded to destination. Nictracing claims that external server has sent an ERROR ENOTFOUND ""File not found"", but in reality no packet is sent to this server over the network." defect closed network/NAT VirtualBox 4.1.8 fixed NAT PXE TFTP other Linux