How Do I Solve the Problem of Slow Network Speed of Realtek Network Card Connected to H3C Switch?

The summary is related to the following:

1.Limitations on Internet access and bandwidth. If you use a very primitive dial-up to surf the Internet, the speed is very slow.

Although it is said to be 56k, the speed is actually much lower than that. Bandwidth is also very important, generally speaking, 2M bandwidth is definitely faster than 1M bandwidth to surf the Internet. If you have fiber optic Internet access, that's even faster.

2.The number of computers that share bandwidth. In the same switch, if you share the LAN carried by the switch, the more computers will be slower, and vice versa.

3.The speed of the computer itself, if the computer itself is relatively backward, the response speed of the computer must be very slow, but in fact, this is not the speed of the network, but when using the computer, the response speed of the computer is slow, and there will be a feeling of slow network speed.

4.Choose a different service provider. Netcom is used in the north, and telecommunications is used in the south, which seems to be an unchanging truth, and of course, there are now service providers such as Great Wall Broadband and so on. But if the choice is not good, such as using Netcom's broadband in the south, it must be very slow.

5.How good or bad a switch or router is. If the bandwidth is sufficient, but the switch or router is often dropped when connected, then when surfing the Internet, it is definitely very unpleasant, the network delay is very bad, large files and **, often have to be refreshed for half a day to come out.

6.Viruses, if you get caught in some network viruses, it will definitely affect the speed, or even not go up at all. Hehe, like being attacked by ARP.

For example, if you open BT, go to other **, or want to upload or** things through other software, it will be very slow, and even browse some big **, it will make you wait for half a day!

8.The quality of the network card, network cable, and crystal head. If the network card is not good enough, the crystal head is not in good contact, and the network cable is crushed, it may cause the network speed to be slow, or even dropped, and the reason cannot be found for half a day.

9.The network itself, such as logging in to a well-known ** during the peak period of Internet access; Or when the college entrance examination scores are checked, there are a lot of people who log in to this **; I won't be able to open this simple page for half a day.

Is the software of the subsystem updated, or the hardware is outdated.

Well, no, the switch won't be divided, see if it's a network cable problem or ** set up incorrectly.

How to set up a slow internet connection:

1.Log in to your router's settings and enter your username and password.

2.After logging in to the router, click Basic Configuration Items.

3.Then click [Network Quality Service QoS] to find the number of connections and close the control here.

4.Let's take a look at the network quality service, whether a relatively small amount of broadband is set to IP, and finally [OK].

5.In this way, the network restrictions are turned on, and the Internet speed will be very fast.

Do you look at the logs of the switch and router?

There are many people who use it, and if there are more people who watch movies, the quality of the switch and router is better.

It is recommended to buy a *** router and limit the speed on the router. You don't have many users, so there's no need to divide VLANs and Layer 3 switches to invest in routers.

If you want a switch that can limit the network speed, you need to buy a switch that can be managed, it seems that only a layer 3 switch has this function, depending on the description of the network management switch, you set the network speed of each 1m on the router is not for each port of the switch, but the entire switch is only 1m.

The performance of the router is not good, and it cannot handle data with a bandwidth of 1000M.

There is a big reason for LAN especially switches. Different brands of switches at different price points will have a direct impact on the speed of the client.

Usually, the server selected by the customer is within a certain number of units, and the effect is basically the same, but the speed of diskless operation is not only determined by the server, but also has a lot to do with the network cable, the quality of the crystal head and the switch. After all, there is no hard disk of its own, and all data must be connected through the network, by the switch**, and finally to the server. Therefore, choosing a good switch is also the key to the speed and smoothness of the Internet café.

At present, the company's first-class Fujian Ruijie series gigabit backbone level switch has excellent performance, Li integrated network card, 780G chipset + 4200+, 1G memory can run out of 106MB S (HD-speed, 2M block, measured by a single machine), one-way speed is nearly 2 times that of a disk, nearly 4 times that of other diskless systems such as MZD and Ruiqi, in the field test, a single server load of 80 people is full, and the speed is measured to be 76MB s (HD speed 2M block, measured when 79 people are on the machine), The one-way speed is 30% faster than that of the disks (the disks are equipped with restoration software), and more than 2 times that of other diskless disks, and the comprehensive performance is the first in the industry.

Secondly, D-link, Huawei (non-H3C products), Saitian and other products have also achieved good results.

Again, it is a seven-degree network product, with mediocre but low performance, and the level is comparable to Jinlang and H3C products.

Finally, it is not recommended to use TP-link, Tengda and other network products, the effect is poor.

In addition, if the Internet café uses Marvell's integrated network card, it is not recommended to use the H3C (Huawei 3com) switch, because its flow control conflicts with the machine, which may lead to too many boot turns, a small number of clients cannot be started during batch boot, and the screen is black during boot. Remember.

First, determine whether it is a problem with the NIC or the switch. Generally speaking, the network card is more prone to problems, and if there is a problem with the switch, you can find Huawei's after-sales service to solve it.

It's very simple, find the switch reset and plug the network cable back in.