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netsh_windows命令行管理网络/连接wifi

文章目录

  • ​​netsh 命令​​
  • ​​refs​​
  • ​​获取netsh帮助​​
  • ​​对比Cisco packet tracer CLI​​
  • ​​相同点(类似)​​
  • ​​不同​​
  • ​​使用netsh​​
  • ​​netsh wlan​​
  • ​​show(展示当前命令的可有命令)​​
  • ​​检查/扫描当前wifi信号​​
  • ​​How can I display the other wireless connections?​​
  • ​​不适合用来扫描可用信号的命令​​
  • ​​正确命令:netsh wlan show networks​​
  • ​​How can I display the other wireless connections?​​
  • ​​输出列表分析​​
  • ​​检查/过滤指定wifi是否存在​​
  • ​​深度刷新/重检查周围wifi列表​​
  • ​​命令行连接wifi​​
  • ​​powershell函数连接指定wifi​​
  • ​​断开当前wifi​​
  • ​​重新连接到指定wifi​​

netsh 命令

  • netsh 是一个针对网络配置shell

refs

  • ​​Network Shell (Netsh) | Microsoft Docs​​
  • ​​netsh commands | How does netsh work? [+examples] - IONOS​​
  • ​​Manage WiFi connection in Windows 10 with PowerShell | 4sysops​​
  • ​​How to disable WiFi using CMD or Powershell in Windows 10 (thewindowsclub.com)​​
  • ​​windows - How do I display a list of Wi-Fi connections using netsh - Super User​​

获取netsh帮助 

PS D:\repos\scripts> netsh help

The following commands are available:

Commands in this context:
?              - Displays a list of commands.
add            - Adds a configuration entry to a list of entries.
advfirewall    - Changes to the `netsh advfirewall' context.
branchcache    - Changes to the `netsh branchcache' context.
bridge         - Changes to the `netsh bridge' context.
delete         - Deletes a configuration entry from a list of entries.
dhcpclient     - Changes to the `netsh dhcpclient' context.
dnsclient      - Changes to the `netsh dnsclient' context.
dump           - Displays a configuration script.
exec           - Runs a script file.
firewall       - Changes to the `netsh firewall' context.
help           - Displays a list of commands.
http           - Changes to the `netsh http' context.
interface      - Changes to the `netsh interface' context.
ipsec          - Changes to the `netsh ipsec' context.
lan            - Changes to the `netsh lan' context.
mbn            - Changes to the `netsh mbn' context.
namespace      - Changes to the `netsh namespace' context.
netio          - Changes to the `netsh netio' context.
p2p            - Changes to the `netsh p2p' context.
ras            - Changes to the `netsh ras' context.
rpc            - Changes to the `netsh rpc' context.
set            - Updates configuration settings.
show           - Displays information.
trace          - Changes to the `netsh trace' context.
wcn            - Changes to the `netsh wcn' context.
wfp            - Changes to the `netsh wfp' context.
winhttp        - Changes to the `netsh winhttp' context.
winsock        - Changes to the `netsh winsock' context.
wlan           - Changes to the `netsh wlan' context.

The following sub-contexts are available:
 advfirewall branchcache bridge dhcpclient dnsclient firewall http interface ipsec lan mbn namespace netio p2p ras rpc trace wcn wfp winhttp winsock wlan

To view help for a command, type the command, followed by a space, and then
 type ?.

对比Cisco packet tracer CLI

相同点(类似)

  • netsh 模式和cisco packet tracer 中的CLI的操作有些类似
  • 比如基于上下文提供不同的可用命令
  • 获取帮助的方式

不同

  • netsh 似乎不支持命令补齐
  • netsh 但是还是可以在不发生歧义的情况,只输入单词的前几个字符

使用netsh

  • netsh_windows命令行管理网络/连接wifi

netsh wlan

  • 进入​

    ​wlan​

     ​ 模式(配置环境context)
  • netsh_windows命令行管理网络/连接wifi

show(展示当前命令的可有命令)

  • netsh_windows命令行管理网络/连接wifi

检查/扫描当前wifi信号

How can I display the other wireless connections?

不适合用来扫描可用信号的命令

  • command​

    ​netsh wlan show profiles​

     ​ through command prompt shows list of all the all Wi-Fi available at that time to which my computer can connect.

The above command shows only those connections which have profiles.

  • They are connections you have previously connected to and have saved configurations.
  • It will always show yourcurrentconnection (if you are using wireless).
  • These connections may not be available from your current location.

正确命令:netsh wlan show networks

  • To list allavailableconnections you need to use a different​

    ​netsh​

     ​ command: 
netsh wlan show networks
  • These connections are available at your current location.
  • You must be disconnected from all wireless networks before running this command.

Example output (names have been obscured):

f:\test>netsh wlan show networks

Interface name : Wireless Network Connection
There are 22 networks currently visible.

SSID 1 : SKYXXXXX
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP

SSID 2 : SKYXXXXX
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP

SSID 3 : XXXXX
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP

SSID 4 : BTOpenzoneXXX
    Network type            : Infrastructure
    Authentication          : Open
    Encryption              : None

...

How can I display the other wireless connections?

command ​

​netsh wlan show profiles​

 ​ through command prompt shows list of all the all Wi-Fi available at that time to which my computer can connect.

The above command shows only those connections which have profiles.

  • They are connections you have previously connected to and have saved configurations.
  • It will always show yourcurrentconnection (if you are using wireless).
  • These connections may not be available from your current location. 
netsh wlan show networks
  • These connections are available at your current location.
  • You must be disconnected from all wireless networks before running this command.

输出列表分析

  • 可能会出现乱码(中文字符)
  • 不是实时的,新的信号刚刚进入,可能要等待5s左右才可以扫描到
  • 总之，这种方法并不可靠！
  • 必须断开所有wifi后再执行该命令,否则只返回当前已连接的wifi 
function wifi_list
{
    Write-Output 'list the current wifi signals...'
    Write-Output 'if there is only one item returned,please disconnect current wifi!🎈'
    netsh wlan show networks
}      
f:\test>netsh wlan show networks

Interface name : Wireless Network Connection
There are 22 networks currently visible.

SSID 1 : SKYXXXXX
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP

SSID 2 : SKYXXXXX
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP

SSID 3 : XXXXX
    Network type            : Infrastructure
    Authentication          : WPA2-Personal
    Encryption              : CCMP

SSID 4 : BTOpenzoneXXX
    Network type            : Infrastructure
    Authentication          : Open
    Encryption              : None

...

检查/过滤指定wifi是否存在 

PS D:\repos\scripts> wifi_list|sls "11T"

SSID 8 :

深度刷新/重检查周围wifi列表

  • 🎈🎈🎈使用管理员方式代开cmd/powershell
  • 先禁用WLAN网卡 
netsh interface set interface name="wLAN" admin=disable
  • 根据具体情况,也可能是​

    ​netsh interface set interface name="wi-fi" admin=disable​

     ​
  • 可以通过:​

    ​netsh wlan show interfaces​

     ​
  • 检查无线网卡信息获取Name字段的值来获取
  • 大小写应该不区分 
function isAdministratorPrivilege
{
    if (!([Security.Principal.WindowsIdentity]::GetCurrent().Groups -contains 'S-1-5-32-544'))
    {
        Write-Output '🎈🎈🎈🎈🎈🎈🎈🎈🎈warning!🎈🎈🎈🎈🎈🎈🎈🎈🎈🎈🎈🎈🎈🎈'
        Write-Output '🤣😂😊current powershell run without administrator privilege!;请手动打开管理模式的terminal.'
        return 0
    }
    return 1
}

function wifiList_forceByDisconnect
{
    <# 
    .synopsis
    务必使用管理员权限运行,否则结果依然不可靠!!!
    #>
    if (!(isAdministratorPrivilege))
    {
        Write-Output 'please try anagin'
        return False
    }

    netsh interface set interface name="wlan" admin=disable
    Write-Output '正在关闭无线网卡(disabling the wlan interface...'
    #需要等待几秒,以便网卡关闭顺利执行(相对耗时,根据自己的情况来调整)
    Start-Sleep(4)
    Write-Output 'try to enable the interface again ...'
    #重新启动WLAN网卡
    netsh interface set interface name="wlan" admin=enable
    Start-Sleep(0.5)
    Write-Output 'list the current wifi signals...'
    netsh wlan show networks
}

命令行连接wifi

  • 常用wifi的连接通过可以考虑使用CLI进行

powershell函数连接指定wifi

  • 首次连接需要wifi输入密码 
function connectWlan
{
    param(
        $ssid = "WifiNameByYou"
    )
    Write-Output "try connecting to wifi ssid:$ssid"
    netsh wlan connect name=$ssid
}

断开当前wifi

  • 某些时候我们要重新扫描可用wifi,或者其他原因,可以尝试先断开当前wifi
  • ​

    ​netsh wlan disconnect​

     ​

重新连接到指定wifi

  • 下面的函数尝试断开当前的wifi,并重新连接到指定的wifi 
function wifi_wlan_reconnect_to {
    param(
        $ssid = 'YourFavoriteWifiName'
    )
    Write-Output 'try disconnect current wifi🎈...'
    netsh wlan disconnect
    Write-Output "try connect to $ssid"
    netsh wlan connect name=$ssid
}
  • 连接示例: 
PS D:\repos\scripts> wifi_wlan_reconnect_to "Redmi Note 11T Pro"
try disconnect current wifi🎈...
Disconnection request was completed successfully for interface "WLAN".
Windows Linux 重新连接 命令行 无线网卡
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