How Do I Configure the IP Address of a VM to Be in the Same CIDR Block as the IP Address of the Host

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Default hosts and virtual machines.

The egress public IP address is the same, of course, if the virtual machine uses a VPN to connect to other networks, the egress IP address is different.

The host's physical NIC and guest card vmnet0 switch through the virtual bridge on the bridge, that is, Teno said, my physical NIC and virtual network guest card (Note: Virtual Network Adapter.

Not equal to VMware Network Adapter VMNet1 or VMware Network Adapter VMNet8) in the same location, guests like my host CIDR block.

on another machine.

It is manually specified, and the gateway is 192 168 0 and 1, so the guest should be in the same network segment as the host.

Summary. 1.Check the NIC device name of the real machine to see which NIC is connected to the WAN.

2.A virtual virtual network for virtual machines.

3.Look at the virtual machine is auto-bridging by default.

4.Because it is an automatic bridge, the virtual machine is bridged with the first NIC by default. And my real machine is 2 connected to the Internet. So here you need to specify the network to be bridged

5.Change the NIC mode of the VM to bridged mode.

6.Configure a public IP address for the VM and test whether it can ping the Internet. and whether the applications on the server can be directly accessed from the Internet. The test passed.

7.In addition, if you still set auto, you can click on the right to set up to bridge those network cards. Multiple NICs are available.

How to configure multiple IPs for a virtual machine to a server

1.Check the NIC device name of the real machine to see which NIC is connected to the WAN. 2.

Virtual Virtual Networks for Virtual Machines3Look at the virtual machine is auto-bridging by default. 4.

Because it is an automatic bridge, the virtual machine is bridged with the first NIC by default. And my real machine is 2 connected to the Internet. Therefore, you need to specify that the bridged network is modified to change the NIC mode of the virtual machine to bridged mode, and the family is destroyed.

6.Configure an external IP address for the virtual machine and test whether it can ping the orange external network. and whether the applications on the server can be directly accessed from the Internet.

The test passed. 7.In addition, if you still set auto, you can click on the right to set up to bridge those network cards.

Multiple NICs are available.

You create different ** directories on the virtual machine, bind different domain names, and then resolve the domain name to the IP of this virtual host.

By default, the egress public IP address of the host and the VM are the same, but if the VM uses a VPN to connect to other networks, the egress IP address is different.

The host's physical NIC and guest card vmnet0 switch via the virtual bridge on the bridge, that is, my physical NIC and virtual network guest card (note: the virtual network adapter is not equal to the VMware network adapter vmnet1 or vmWARE network adapter vmnet8) in the same location, and the guest likes my host network segment on another machine.

After installing the system in a virtualbox virtual machine, we sometimes need to establish communication with the host to be able to access each other. But what should I do if I find that the IP of the virtual machine and the IP of the host are not in the same IP range, that is, they are not in the same LAN?

Method steps.

Open the Host Control Panel - Network and Internet - Network Connections.

Select the VIC and local connection installed on the VB, and then select Bridging from the context menu.

On the VirtualBox VM Settings page, select the network settings of the VM, and in the Network Settings window, change the connection mode to Bridging and the name to Mac Bridge Miniport.

Manually assign an IP address from a LAN CIDR block in the network configuration of the virtual machine to save it.

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Generally speaking, web hosting is the default use of shared IPs. You can also add the IP address of Duzhi as needed. ** using a shared IP can only be accessed through the domain name, not through the IP; ** that uses an independent IP address can be accessed either by the name of the domain or directly by using the IP.

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If you are using a bridging method, the network card of the virtual machine must be the same as the IP address of the host. However, share the dial-up connection of the broadband to the network card of the local connection, and check all the options in the settings under Sharing.

Or 1. Install a virtual machine and select "Bridge" as the network connection mode

2. In the VMware menu, select "-Virtual Network Settings" --Host Virtual Network Mapping "--VMNet0", and select a real network adapter for bridging (do not automatically select).

3. On the real host, right-click the "Network Neighbor" attribute, find the corresponding network connection of the network adapter selected in the previous step, change its IP address to "subnet mask", and the others are empty.

4. Change the IP address of the local connection to ", subnet mask, gateway, DNS server on the virtual machine

5. Share the connection used to access the Internet on the host to realize virtual machine communication.

If you are using the NAT method, then you only need to set the IP address of the vmnet8 network card in the network connection to automatically obtain, and you can also share the broadband dial-up connection to the local network card, and check all the options in the settings under sharing.

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5.Modify the IP address

It must be a different IP to surf the Internet, and the MAC address is definitely different.

There are three ways for virtual machines to access the Internet:

Bridged mode: The virtual host and the host are in the same network segment, which is equivalent to a computer for the local area network.

NAT mode: This method can also achieve bidirectional access between the local system and the virtual system. However, other machines in the network cannot access the virtual system, and the virtual system can access other machines in the network through the local system using the NAT protocol.

For example, VMware is similar to other virtual machines.

1. Open a virtual machine file, note that the virtual machine is selected, not the virtual machine system;

2. Select Virtual Machine - > Settings in the menu;

3. In the hardware settings, select the network adapter settings, here you can set the network card related configurations;

4. In the detailed settings of the network adapter, there are multiple modes, including bridge mode, NAT mode, and host mode only.

If you select the bridging mode, you can make the virtual machine NIC independent from the actual NIC and provide a hardware environment with independent IP addresses.

In NAT mode, the virtual machine shares an IP address with the host, so that the virtual machine can access the Internet, but the outside world cannot distinguish whether the data is sent by the virtual machine or the physical machine.

In host-only mode, the VM can only communicate with the host over the network and cannot access the Internet.

5. After the settings are complete, turn on the virtual machine and set an independent IP address in the virtual machine.

This can't be displayed as two in the router, because in the router's traffic statistics, only the IP of your stupid computer is displayed.

Yes, the virtual machine is bound to a physical network card, the IP address is set to the gateway, and the DNS address can be accessed through the router.