![]() ![]() # ip aġ: lo: mtu 65536 qdisc noqueue state UNKNOWN IP command is similar to ifconfig, which is used for assigning Static IP Address, Route & Default Gateway, etc. In this tutorial, we will show you how to check the available Network Interface Card (NIC) and other details such as interface name, associated IP address, MAC address and interface speed. If yes, check other configuration details that are compatible with existing interfaces. If you need to change the guest-assigned IP range for some reason, please refer to Section 9.11, “Fine-tuning the VirtualBox NAT engine”.Server primary interface would be configured as part of the server build activity, but sometimes you may need to configure an additional network interface in Linux for several reasons.Īn additional interface will be configured for network bonding/teaming, high availability or a separate interface that is used for application requirements or backups.īefore adding a new interface, check if the system has any free interfaces. As more than one card of a virtual machine can be set up to use NAT, the first card is connected to the private network 10.0.2.0, the second card to the network 10.0.3.0 and so on. The IP address thus assigned to the virtual machine is usually on a completely different network than the host. ![]() The virtual machine receives its network address and configuration on the private network from a DHCP server integrated into VirtualBox. To your original Q, it is only VirtualBox that knows about the guest's simulated address: VirtualBox listens for replies to the packages sent, and repacks and resends them to the guest machine on its private network. To an application on the host, or to another computer on the same network as the host, it looks like the data was sent by the VirtualBox application on the host, using an IP address belonging to the host. The network frames sent out by the guest operating system are received by VirtualBox's NAT engine, which extracts the TCP/IP data and resends it using the host operating system. the IP chain' it's VirtualBox, not the host as such, that does this: FOR NAT MODE (per comments) from the manual subsection on NAT mode virtual networking ![]()
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