Why is the network cable old, what is the problem with the old network cable?

1.Check your "cat".

2.Check your network cable.

3.Is there a problem with the network card?

4.Is it because you have a virus in your machine?

5.If there are no problems with the above, then call Telecom or Netcom** and ask a professional to check your network situation in the computer room.

If it is a local area network, whether there is an ARP attack, if there is, then you must install an ARP firewall, Kingsoft and 360ARP firewall are recommended.

Find out who is throttling your internet speed.

Start-Run Enter cmd.

Enter arp a at the prompt.

Normally, only one gateway IP is displayed:

In addition, all the IPs that appear are sovereign IP addresses that are controlled, and you can write down the MAC addresses corresponding to these IPs, and you can find out who is using this computer.

There is a problem with the firewall Turn off the firewall and take a look.

Here are a few ways to start:

1.Try to see the line adsl cat dry problem, 2 virus problem 3 you are on the route to set whether it will never drop if not, please set it to never drop the line The cat has been used for more than four years It is equivalent to an aging state You can call the telecom to replace the adsl cat.

6 You can directly telegraph and say that his network is not successful, and come to solve it within a day

First of all, call the customer service of Telecom or Netcom and ask them to come and repair it (if there is a router, it may be caused by settings or malfunctions).

The following describes how to diagnose the fault of frequent Internet disconnections.

1) First of all, troubleshoot the disconnection caused by PPPoE protocol problems, if you are using Windows XP operating system, install system security patches, and then re-establish the dial-up connection; If it is not WindowsXP, reinstall the PPPoE number program, re-establish the dial-up connection, and then check whether the fault disappears. If the fault is solved, it is the operating system and the PPPoE protocol that cause the fault.

2) If the fault persists, then check whether the various wires of the ADSL modem and the separator are in good contact. If the contact is good, then check that the ADSL modem is not overheated. If it is overheated, turn off the ADSL modem and place it in a ventilated area to dissipate heat before use.

3) If the temperature of the ADSL modem is normal, then use the replacement method to replace the original ADSL modem and separator with a good ADSL modem and separator to see if the fault disappears. If the fault disappears, the ADSL modem or separator is faulty and can be replaced.

4) If the fault persists, in the "System Properties" dialog box that opens, click the "Hardware" tab, click the "Device Manager" button, and check whether the "Network Adapter" is selected. If so, remove it and then reinstall the network card driver.

If not, upgrade the driver of the network card and see if the fault goes away.

5) If the fault goes away, it is a problem with the network card driver. If the fault persists, use the replacement method to check whether the NIC is normal. If not, replace the NIC.

6) If the fault persists, then check whether there are large transformers or high-voltage lines around. If there is, it may be caused by electromagnetic interference and frequent dropouts. Shielding the ** cable and the Internet connection cable.

7) If there is no large transformer or high voltage line around. Then keep the place where the ** line passes and the ADSL modem away from the cordless**, air conditioner, washing machine, refrigerator and other equipment, to prevent these devices from interfering with the ADSL modem (it is best not to share a power cord with the above equipment), and detect whether the fault is eliminated.

8) If the fault persists, you can check and kill the virus or reinstall the operating system, which will also cause frequent disconnections.

9) If the fault persists, it may be the ADSL line fault, and the telecommunications bureau can check whether the residence is more than 3000 meters away from the local computer room.

Is it that your cat is taking too long. I change a cat to the business hall from the new.

Your home network has no routers through and if there are routers. Generally, the router has a big problem, look at the settings or router temperature, etc., which will affect the disconnection.

It may be that the equipment is unstable, call ** to the operator, say it awesomely, if it really doesn't work, complain, they will pay attention to it.

There are many reasons for this, such as the crystal head is not in good contact, or the network card driver is broken, or the network card is broken, or the network problem You can call China Telecom or Unicom ** and let them take a look.

Call** to Unicom customer service, 10010, some time ago mine too, it always lasts for several days, and your network problems are the same, always drop, and then after calling customer service, Netcom contacted me within a day, they came to check that the line pole that is not in good contact, easy to get it, they have a test tool,,, mobile phone hand play, hope to adopt, until now has not been adjusted a line.

Hit ** and ask the person who installed broadband in your house.

Three. Through DMZ mapping, the external attack on the open port of the ADSL cat is transferred to the internal click Other Settings --nat--Add Add Add a NAT rule, select DMZ as the rule type, add other unused IP addresses to the local address, and transfer the IP packets of the attack.

Please try to do all three of the above methods. Then click Manage Save & Restart to save the configuration.

The most important thing is to set up the DMZ mapping.

First of all, troubleshoot the hardware problem, restart the router, modem, and switch and redo the network cable header.

Enter the route, disable the DHCP service, and bind the MAC address.

If you are disconnected, there is a problem with the large network environment, or there is a problem with your routing.

What should I do if the network drops frequently, and how to solve the network instability?

First of all, you should find the reason for the disconnection to solve the problem: computer reason: try to change to another computer to see if the disconnection is not disconnected; Modem reason: Try to change to other modems; If the above methods cannot be solved, then the limb will be changed to a service provider.

1.This may be caused by the incorrect installation of the separator or the absence of the separator, too many extensions, and the separator is broken. Please make sure that a splitter is installed in front of each phone, or that the phone is connected to the phone port of the splitter.

The modem port on the separator is connected to the "cat", the line port is connected to the household line, and the phone port of the separator is connected to **. If there is an extension that must be connected from the phone port of the splitter to the line extension between the line extension, it is best to buy a splitter to connect the extension line from the line port to the phone port of the line**.

2.** The line between the separator and the separator is not bandaged from the short circuit, if the joint is not bandaged next to the conductive metal or the joint is wrapped with moisture next to the wall, solution: reconnect the joint with tape and keep away from the conductive metal or replace the wire.

3.Reason, poor quality, resulting in too much shunt electricity, replace.

I don't know if your connection method is directly with the cat or routing, if you use the cat, the IP address has been set, and there should be no problem. If you use routing, the router is generally automatically assigned the IP address, and sometimes the route will fail to be assigned, so it will be disconnected, if you manually fill in the IP yourself, this problem will be solved.

Netcom or telecommunications? There are a variety of reasons why the network is disconnected.

1. When you turn off the computer, you don't disconnect the network, causing the network to hang, and it is easy to drop when you run again.

Remember to turn off the computer before turning it off.

2. It is to see if the connection of the network cable is virtual, or the interface is not tight, resulting in a drop in the connection.

3. Network problems, sometimes the network is not good, it is possible to drop the connection.

I know all of the above, see if you have any use and can improve it.