How is the default gateway derived?

Default gateway

Given the name of the router's IP address, the machine connected to the local network must pass outgoing traffic to this address beyond the local network, making that address a "gateway" for IP addresses outside the local subnet. That is, the most commonly used gateway, when a host routing entry or network input does not exist in the local host's routing table, the packet is sent there.
A gateway is a "gateway" in which a network connects to another network.
According to different classification standards, there are many kinds of gateways. The gateway in the TCP/IP protocol is the most commonly used. The "gateway" we refer to here refers to the gateway under the TCP/IP protocol.

How to get the default gateway of the computer

The default gateway first checks the original gateway of the computer; from the start of the program to find the run you type cmd, enter ipconfig at the command prompt, you can see the default gateway. Also, if your computer is an XP system, double-click the local connection in the network properties, and you can view the default gateway in the local connection status-support-details.

I checked the default gateway of my computer just now: 192.168.10.10 The following default gateway:

How is the default gateway derived?

The default gateway is essentially the IP address of a network to other networks. For example, there are network A and network B. The IP address range of network A is “192.168.1.1~192. 168.1.254”, the subnet mask is 255.255.255.0, and the IP address range of network B is “192.168.2.1~192.168. 2.254", the subnet mask is 255.255.255.0. In the absence of a router, TCP/IP communication is not possible between the two networks. Even if the two networks are connected to the same switch (or hub), the TCP/IP protocol will be based on the subnet mask (255.255). .255.0) Determine that the hosts in the two networks are in different networks. To achieve communication between the two networks, you must pass through the gateway. If the host in network A finds that the destination host of the data packet is not in the local network, it forwards the data packet to its own gateway, and then the gateway forwards it to the gateway of network B, and the gateway of network B forwards it to some network B. Host. The same is true for the process in which Network B forwards packets to Network A.

How is the default gateway derived?

The default gateway client is automatically obtained according to the connected network. The network connection server-side gateway address is set by the administrator.

View the gateway address steps:

1. Press the Windows logo key + R on the desktop and type cmd in the run command.

2. On the command line window page, click on "ipconfig /all" to view the gateway address.

How is the default gateway derived?

If it is an intranet, the default gateway is the IP of the public egress in the intranet, which is usually the intranet IP address of the router. If it is the default gateway in the public network IP setting, it is the IP address of the upper-level routing server of the network operator, which is provided by the network operator.

How do I get the subnet mask and default gateway?

Solution

1. Click the [Start] button on the taskbar in the lower left corner of the computer.

2. There is a [Run (R)) at the bottom right of the pop-up interface. . . ], click to run.

3. The program window that pops up is displayed.

4. Enter cmd in the input box.

Will pop up the DOS command window

How is the default gateway derived?

5, directly in the DOS command window: ipconfig and then directly enter.

6. After the carriage return, the ip address, subnet mask, and default gateway will appear. As shown in the figure: the red box is the ip address, subnet mask, and default gateway.

IP Address: IP address

Subnet Mask: Subnet Mask

Default Gateway: Default Gateway

How is the default gateway derived?

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