Use the wireless router to surf the Internet. After a while, WIFI will not be able to surf the Internet. You must restart the router to recover. What happened?

There may be a problem with the wireless router settings. Solution:

Reset the route back to the factory settings.

(Press and hold the reset key on the back of the router for 5~6 seconds, and then release it.)

Log in to 192 438+068.0. 1 with a browser and reset the parameters of the router.

Wan

Select broadband type

Fill in the broadband account password

Lan

Set the IP of the route to192.168.2.1or other (it is recommended to avoid 192. 168. 1 to avoid confusion or conflict with the IP of the cat.

Set up wireless wifi

Custom wireless network name (SSID)

Select frequency band (channel)

Select the authentication type and confidentiality type.

Set the security key

《DHCP》

Activate DHCP and set this section.

Click Execute to reactivate the router.

Exit the browser and go back online.

Wireless settings:

1. Service Set Identifier (short for service set identifier)

SSID (Service Set Identifier) is the abbreviation of "Service Set Identifier", which is the identifier of wireless network and used to identify the identity of wireless devices found on a specific wireless network. All workstations and access points must communicate with each other using the same SSID. The SSID is a 32-bit data whose value is case-sensitive. It can be the physical location identification of WLAN, your name, company name or company name and department, preferred slogan and other favorite characters, but if it is set to non-English, some devices will display garbled codes, or there will be connection problems.

2. Channel

Channel, also known as "channel", is a data signal transmission channel with wireless signal as transmission medium. Wireless broadband routers can operate on many channels. Various wireless network devices located nearby must be located on different channels, otherwise signal interference will occur. If you only have one device, the default channel value of 6 may be the most appropriate.

Unless there is a special reason to change the channel (for example, Bluetooth, microwave oven, cell phone tower or other access points in the area will cause interference), please use the factory default values. If there are multiple wireless routers and wireless access points on the network, it is recommended to stagger the channels used by each device. For example, there are 1 1g and 802. 1 1b channels in the wireless standard, but only three channels do not overlap (channel 65438+).

Wireless router security settings

Compared with wired network, sending and receiving data through wireless local area network is easier to be eavesdropped. When designing a perfect wireless LAN system, encryption and authentication are security factors that need to be considered. The most fundamental purpose of applying encryption technology in wireless LAN is to make wireless service reach the same security level as wired service.

Aiming at this goal, IEEE802. 1 1 standard adopts WEP (wired equivalent privacy) protocol to establish a special security mechanism to encrypt traffic and authenticate nodes. It is mainly used for the confidentiality of link layer information data in wireless LAN. WEP adopts symmetric encryption mechanism, and data encryption and decryption use the same key and encryption algorithm.

WEP uses encryption keys (also called WEP keys) to encrypt the data part of each packet exchanged on the 802.6438+0 1 network. After enabling encryption, two 802. 1 1 devices must enable encryption and have the same encryption key before they can communicate. By default, WEP encryption is disabled, that is, it is not encrypted. Wireless security parameters are optional settings. There are usually the following three parameters:

①⑴WEP key format: hexadecimal number; ASCII character

⑵WEP encryption level: disable encryption function; 40(64) bit encryption; 128 bit encryption. The default is to disable encryption.

⑶WEP key value: set by the user.

The wireless router, together with the wireless network card supporting encryption function, can encrypt data transmission, making it difficult for others to steal your information in the middle. There are two levels of WEP encryption: 40(64) bits and 128 bits. It is safer to use 128 bit encryption. WEP keys can be a set of randomly generated hexadecimal numbers or ASCII characters selected by users themselves. Generally, we choose the latter and enter it manually. Every wireless broadband router and wireless workstation must use the same key to communicate. However, encryption is optional, and the default value of most wireless routers is to disable encryption. Encryption may affect transmission efficiency.

To enable encryption, select the WEP key format of ASCII characters, and select a 40(64)-bit or 128-bit WEP key under WEP encryption method (mode). When using 40(64) bit encryption, you can enter four different WEP keys, but only one can be selected at the same time. Each key consists of 10 hexadecimal characters. Save in the wireless broadband router. By default, one of the four keys is selected for use.

When using 128-bit encryptor, please enter 26 hexadecimal characters as WEP key. In this case, only one key can be entered. Some wireless network cards can only use 40(64) bit encryption method, so you may want to choose a lower encryption level. If all your clients can support 128-bit encrypted communication, please select 128-bit; If the client can only support 40(64) bit encrypted communication, please select 40(64) bit.

To enable encryption, select the encryption type and WEP key for all wireless routers, access points and workstations on the network. In order to increase network security, the key can be changed frequently. When changing the keys used by wireless devices, remember to change the keys of all wireless devices and access points on the network at the same time. Basically, these are all the security settings of wireless routers, and I think everyone should have a comprehensive understanding.