配置DNS服务器IP

 1 #############################脚本功能及说明####################
 2 #该脚本用来在本地服务器上配置DNS服务器IP
 3 #创建时间：2014-10-22
 4 
 5 #########################定义函数#############################
 6 #定义函数：配置DNS
 7 #ConnectionID为网卡ID；$dnsservers为要配置的DNS服务器的IP列表
 8 function DNSConfig($ConnectionID,[array]$dnsservers)
 9     {
10      #判断当前系统是2003（5）,还是2008，在设置DNS服务器的时候所使用的命令不同
11      If ((gwmi win32_operatingsystem).version.split(".")[0] -eq 5)
12         {
13          netsh.exe interface ip set dns "$ConnectionID" static $dnsservers[0] primary
14          $dnsservers[1..$dnsservers.count] | % { netsh.exe interface ip add dns "$ConnectionID" $_ }
15         }
16      Else 
17        {
18         netsh.exe interface ip set dnsservers "$ConnectionID" static $dnsservers[0] primary validate=no
19         $dnsservers[1..$dnsservers.count] | % { netsh.exe interface ip add dnsservers "$ConnectionID" $_ validate=no } 
20        }
21     }
22 
23 ################脚本开始######################################################################
24 $index = (gwmi Win32_NetworkAdapterConfiguration |?{ $_.DefaultIPGateway -ne $null}).Index
25 [array]$ip = (gwmi Win32_NetworkAdapterConfiguration -filter "index = $index").IPAddress
26 $ConnectionID = (gwmi win32_networkadapter -filter "index = $index").NetConnectionID 
27 #根据IP属于IDC设置DNS
28 $ip2 = $ip[0].split(".")[0,1] -join "."
29 If ($ip2 -eq "10.4")
30     {
31      $dnsservers="10.4.2.220","10.5.2.220","192.168.251.210"
32      dnsconfig $ConnectionID  $dnsservers
33     }
34 Elseif ($ip2 -eq "10.5")  
35     {
36      $dnsservers="10.5.2.220","192.168.251.210","10.4.2.220"
37      dnsconfig $ConnectionID  $dnsservers
38     }
39 Else 
40    {
41     $dnsservers="192.168.251.210","10.4.2.220","10.5.2.220"
42     dnsconfig $ConnectionID  $dnsservers
43    }
44 
45 #查看本地DNS服务器列表
46 $dnss=gwmi win32_networkadapter -filter "NetConnectionStatus = 2"|foreach {(gwmi Win32_NetworkAdapterConfiguration -filter "index = $($_.index)").DNSServerSearchOrder}
47 $dnss