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IP v4 duplicate

Discuţie generală IP v4 duplicate

  • 12 martie 2012 20:52
     
     
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    Hi, We are installing and deploying windows server 2008 in a DMZ, when we finish to configure the server into the LAN, we change the static IP (v4) to another IP from the network segment of the DMZ, but when we want to stablish communications via name or IP we cant communicate, when run the ipconfig/all command we receive the following information:



    Windows IP Configuration


       Host Name . . . . . . . . . . . . : SRVWEXTLAB01
       Primary Dns Suffix  . . . . . . . : 
       Node Type . . . . . . . . . . . . : Hybrid
       IP Routing Enabled. . . . . . . . : No
       WINS Proxy Enabled. . . . . . . . : No


    Ethernet adapter Local Area Connection 2:


       Connection-specific DNS Suffix  . : 
       Description . . . . . . . . . . . : Intel(R) PRO/1000 MT Network Connection #2
       Physical Address. . . . . . . . . : 00-50-56-BC-3E-76
       DHCP Enabled. . . . . . . . . . . : No
       Autoconfiguration Enabled . . . . : Yes
       Autoconfiguration IPv4 Address. . : 169.254.96.124(Preferred) 
       Subnet Mask . . . . . . . . . . . : 255.255.0.0
       IPv4 Address. . . . . . . . . . . : 10.10.10.222(Duplicate) 
       Subnet Mask . . . . . . . . . . . : 255.255.255.128
       Default Gateway . . . . . . . . . : 10.10.10.129
       DNS Servers . . . . . . . . . . . : 10.10.10.220
       NetBIOS over Tcpip. . . . . . . . : Enabled


    Tunnel adapter isatap.{EFD0149A-03D9-46C1-B3A2-67538BD72A35}:


       Media State . . . . . . . . . . . : Media disconnected
       Connection-specific DNS Suffix  . : 
       Description . . . . . . . . . . . : Microsoft ISATAP Adapter
       Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
       DHCP Enabled. . . . . . . . . . . : No
       Autoconfiguration Enabled . . . . : Yes


    Tunnel adapter Teredo Tunneling Pseudo-Interface:


       Media State . . . . . . . . . . . : Media disconnected
       Connection-specific DNS Suffix  . : 
       Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
       Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
       DHCP Enabled. . . . . . . . . . . : No
       Autoconfiguration Enabled . . . . : Yes

    We dont receive any alerts about ip duplicated and we dont have any other equipment with that ip neither

    Raulito

     

Toate mesajele

  • 13 martie 2012 04:36
     
     
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    Hi,

    You can try the following steps.

    - netsh interface ipv4 reset (It may ask for a reboot, but you can also do that after the next step)

    - netsh interface ip set address name "Local Area Connection 2" static newIP netmask gateway

    - For rebooting you can use "shutdown -r -t 0" { 0 will make the system go for immediate reboot; you might want to change this value as per your convenience).

    Thanks,

    Girish

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  • 14 martie 2012 13:43
     
     
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    All the steps are followed and after the reboot the error persist

    Raulito

     
  • 15 martie 2012 06:10
     
     
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    Hi,

    If you are not using IPv6 in your local infrastructure, can you try disabling TUNNEL ISATAP adapter and see if it resolves the issue.

    From an elevated prompt (run cmd.exe as administrator) and give the following command:

    "netsh interface isatap set state disabled"

    Thanks,

    Girish

     
  • 15 martie 2012 06:17
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    Hi Raulito,

    Thanks for posting here.

    Try the workaround in the thread below and see if the APIPA address will be gone:

    http://social.technet.microsoft.com/Forums/en-us/winservergen/thread/fba65c60-eaa1-4c5c-85cf-9f384df2616b

    Thanks.

    Tiger Li

    Tiger Li

    TechNet Community Support