介绍

iwlist 命令用于对 /proc/net/wireless 文件进行分析，得出无线网卡相关信息。

常用选项

选项	说明
scanning	搜索当前无线网络
frequen	显示频道信息
rate	显示连接速度
power	显示电源模式
txpower	显示功耗
retry	显示重试连接次数(网络不稳定查看)
ap	显示热点信息
–help	显示帮助信息
–version	显示版本信息

命令示例

示例1，搜索无线网络：

[root@linux ~]# iwlist wlan0 scanning  
iwlist scanning
lo    Interface doesn't support scanning.eth0   Interface doesn't support scanning.wlan0   Scan completed :
Cell 01 - Address: E0:05:C5:B6:53:A0
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=41/70 Signal level=-69 dBm
Encryption key:off
ESSID:"Web:192.168.1.2"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s; 11 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000000342c72184
Extra: Last beacon: 5220ms ago
IE: Unknown: 000F5765623A3139322
......