[#vnetspim]:

Specific implementations of virtual machine networking

Qemu

To be guided through this most quickly, see: Walkthrough for setting up virtual NICs: Qemu details. More information is in the section about: Qemu: networking implementation

Hyper-V

To be guided through this most quickly, see: Walkthrough for setting up virtual NICs: Qemu details. More information is in the section about: Hyper-V: networking implementation

VirtualBox

SuperUser.com question by anol looks rather interesting/promising. (SuperUser.com question by Rodrunner also discusses VirtualBox.)

Other virtual machine software

Further specific guides are not currently available right here. However, see: virtual machine network configuration