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What about redhat wireless Internet access?

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Author: User
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What about redhat wireless Internet access? -- Linux general technology-Linux technology and application information. For details, refer to the following section. The first time I used linux to access the Internet today, there was no problem with the network cable, but there was always a problem with wireless Internet access, that is, when I started the wireless network card:
[Root @ localhost network-scripts] # ifup wlan0
Deciding IP information of wlan0... failed.


My Nic settings are as follows:
DEVICE = wlan0
BOOTPROTO = dhcp
ONBOOT = no
HWADDR = 20: 7c: 8f: 13: aa: 83
CHANNEL = 6
ESSID = TOPGEAR
KEY = 1, 1234567890
MODE = Managed


Use iwconfig wlan0 to display the following:
[Root @ localhost network-scripts] # iwconfig wlan0
Wlan0 IEEE 802.11bgn ESSID: off/any
Mode: Managed Access Point: Not-Associated Tx-Power = 20 dBm
RTS thr: off Fragment thr: off
Encryption key: 3141-5926-78
Power Management: on
What is going on?

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