I am connected to the local area network, the IP is dynamic, how to bind the MAC address?

How do I bind an IP address to a MAC address of a NIC?

How do I bind an IP address to a MAC address of a NIC?

The first thing to do is to check your IP address and the MAC address of your NIC. For Windows 98 ME, run "winipcfg", the IP address you see in the dialog box is, and the "adapter address" is the MAC address of the network card. In Windows 2000 XP, if you want to enter "ipconfig all" in the command prompt, the "physical address" in the display list is the MAC address, and the "IP address" is the IP address. To bind the two, enter "arp -s IP address MAC address", for example, "arp -s 54-44-4b-b7-37-21".

Dynamic IP has nothing to do with your LAN, right?!

The IP inside your LAN is static. Only your extranet is dynamic, so basically it doesn't affect you anything, you only need to make adjustments on your server, and the machines in other networks are set up according to the normal local area method

Do you want to bind IP and MAC statically, what should you do, so how do you bind IP and MAC statically? The following Bu Qing clan is how to bind the IP and MAC static that I have collected and sorted out, I hope it will be helpful to everyone

For LAN IP addresses.

Conflict or ARP attacks.

In fact, the "360 traffic firewall" can be used to intercept and defend the network disconnection. On the main page of the 360 Traffic Firewall, switch to the LAN Protection tab and enable IP Conflict Detection, ARP Protection, and External ARP Interception.

Of course, the most effective way to prevent LAN IP conflicts is to assign a static IP address to each computer in the LAN. On the web management page of the router, switch to the ARP Security tab, enable the static binding function, and implement the static binding function of IP and MAC for all computers on the LAN.

Of course, some high-end enterprise-level routers also have the functions of "ARP detection" and "ARP protection", which can be fully used to achieve safe Internet access on the LAN and prevent network disconnection.

<> Although the ARP firewall and router can realize the LAN ARP conflict detection and IP binding functions to achieve the LAN protection function. However, there are obvious shortcomings, on the one hand, it is more complicated to operate, and it is necessary to have a certain computer network foundation. On the other hand, the control effect is not good, and it is impossible to realize the comprehensive real-time detection function of "ARP conflict" and "chaotic network card" that may exist in each computer in the local area network.

From the main interface of the program that opens, click the "Security Defense" - "IP-MAC Binding" item to open the IP static binding window, where you can realize the IP and MAC address of the LAN computer through the operation of "batch import" or "manual input".

static binding operation.

Select "Only allow computers bound to IP and MAC to go online", check "Output IP and MAC changes" and "Output ARP attacks", and click the "Enable monitoring" button to comprehensively monitor the ARP attacks and IP address changes of all computers in the LAN.

Finally, based on the existing ARP attacks or IP address changes, corresponding measures can be taken to isolate or repair them. Right-click on the computer and in its context menu, you can select the Isolate Primary Fraud or Specify Policy, Disconnect Host, and Traffic Inspection features.

The hardware address of the Cisco switch or router that binds the IP and NIC.

The MAC address of the network card is usually the only one determined, and a table corresponding to the IP address and the MAC address is established in the router, and only the legally registered machine corresponding to the IP-MAC address can get the correct ARP response, so as to control the IP-MAC mismatched host to communicate with the outside world, so as to prevent the theft of the IP address.

router(config)# arp arpa

Bind the IP address to the MAC address, if someone steals the IP address, because of the uniqueness of the MAC address, the IP address does not match the MAC address and the theft fails

router(config)# arp arpa

Summary: The use of MAC addresses and IP addresses can effectively prevent IP address theft, although it is more troublesome to collect user MAC addresses in the early stage, but the establishment of such a mechanism can bring a lot of convenience to users when managing the network. Therefore, we should collect the MAC address information of the machines in the LAN at the beginning of the network construction, so as to bring convenience to our future network management work!

If it is Windows 98 ME, run "winipcfg", the IP address you see in the dialog box is the IP address, and the "adapter address" is the MAC address of the network card.

Whereas, if it is a Windows 2000 XP system, you need to enter "ipconfig all" in the command prompt. The "physical address" in the display list is the MAC address, and the "IP address" is the IP address. To bind the two, you can enter "arp -s your IP address your MAC address", e.g. "arp -s 80-00-0b-b4-36-70".