Internet Connection Sharing: No Internet Access

Discussion in 'Windows 7 Networking' started by Ben Hutchinson, Jun 19, 2012.

  1. Ben Hutchinson

    Ben Hutchinson New Member

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    [h=3]internet connection sharing: No internet access!?[/h]I am trying to setup internet connection sharing between my laptop (Connected to WiFi) and my pc which has no wireless connection. I've spent a day or two troubleshooting problems such as 'LAN' doesn't have valid configuration and such, i found a solution and I've got the two connections to be able to see each other, but i can't get an internet connection to go through.

    I have my ipconfig /all for both computers available: (Both have had excess trimmed off to save on character limit)
    Laptop:
    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) 82579LM Gigabit Network Connection
    Physical Address. . . . . . . . . : 2C-27-D7-80-23-B1
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::65bc:9591:56a3:22c%18(Preferred)
    IPv4 Address. . . . . . . . . . . : 10.0.0.6(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 10.0.0.7
    DHCPv6 IAID . . . . . . . . . . . : 187443159
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-CB-C6-50-2C-27-D7-80-23-B…
    DNS Servers . . . . . . . . . . . : 10.0.0.7
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Wireless LAN adapter Wireless Network Connection:

    Connection-specific DNS Suffix . : BigPond
    Description . . . . . . . . . . . : Intel(R) Centrino(R) Advanced-N 6205
    Physical Address. . . . . . . . . : 08-11-96-7A-49-70
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::d518:1b52:896f:3976%11(Preferred)
    IPv4 Address. . . . . . . . . . . : 10.0.0.5(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Tuesday, 19 June 2012 2:00:22 PM
    Lease Expires . . . . . . . . . . : Wednesday, 20 June 2012 2:00:22 PM
    Default Gateway . . . . . . . . . : 10.0.0.138
    DHCP Server . . . . . . . . . . . : 10.0.0.138
    DHCPv6 IAID . . . . . . . . . . . : 218632598
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-CB-C6-50-2C-27-D7-80-23-B…
    DNS Servers . . . . . . . . . . . : 10.0.0.138
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Main PC:
    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
    Physical Address. . . . . . . . . : B8-AC-6F-DD-07-9A
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::14fc:4d5e:2725:fc1%24(Preferred)
    IPv4 Address. . . . . . . . . . . : 10.0.0.7(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 10.0.0.6
    DHCPv6 IAID . . . . . . . . . . . : 414755951
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-6D-0C-FA-B8-AC-6F-DD-07-9…
    DNS Servers . . . . . . . . . . . : 10.0.0.6
    NetBIOS over Tcpip. . . . . . . . : Enabled


    If there is anything else needed please post and i'll add it.
     
  2. alberto

    alberto New Member

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    Hi Ben, which of these computers is supposed to work as the ICS "server"? How do the others connect to it?
     
  3. Ben Hutchinson

    Ben Hutchinson New Member

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    The laptop is the one that is supposed to be hosting, the main pc is connected using an ethernet cable
     
  4. alberto

    alberto New Member

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    I assume they're both running Win7... Did you check the "allow other network users to connect through this computers internet connection" checkbox on your laptop's LAN connection properties? And select Wireless in the drop down menu below?
     
  5. Ben Hutchinson

    Ben Hutchinson New Member

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    they're both windows 7, it was already checked, and what drop down menu below???
    ss (2012-06-19 at 03.32.01).
     
  6. alberto

    alberto New Member

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    OK, never mind, my mistake with the drop down menu.
    Do you have any firewalls that might be blocking the connection? Are you able to ping one computer from the other? Can you share files and folders between the 2 PCs?
     
  7. Ben Hutchinson

    Ben Hutchinson New Member

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    i have no firewalls up atm, i couldn't ping for a bit, but i changed my subnet mask to 255.255.255.0 and i could ping, the laptop cannot access my main pc's files, but from my main pc i can access the laptop after putting in a password
     
  8. alberto

    alberto New Member

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    Uhm, strange... could you check these settings from the official Win 7 ICS page?

    Open Internet Options by clicking the Start button [​IMG], clicking Control Panel, clicking Network and Internet, and then clicking Internet Options.

    Click the Connections tab, and then click Never dial a connection.

    Click LAN Settings.

    In the Local Area Network (LAN) Settings dialog box, UnderAutomatic configuration, clear the Automatically detect settings andUse automatic configuration script check boxes.

    Under Proxy server, clear the Use a proxy server for your LAN check box, and then click OK.
     
  9. alberto

    alberto New Member

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    Also, why is the default gateway for the "server" PC's ethernet default gateway and DNS set to 10.0.0.7? That's the "host" PC's address, isn't it? It won't have DNS running and it won't respond as default gateway. That should be the same as the wireless card's setting, so 10.0.0.138.
    Any results?
     
  10. Ben Hutchinson

    Ben Hutchinson New Member

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    fixed up the default gateways and DNS, i had them set like that because it would show the networks as unidentified when they werent, now the lan network on my laptop shows unidentified and the main pc shows network 3, i also cant ping my laptop ip (10.0.0.6) from my main pc, but can ping the main pc (10.0.0.8) from the laptop
     
  11. alberto

    alberto New Member

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    Hang on, Ben, I'm getting confused here, could you please post an updated version of the various ipconfig outputs? I thought the main PC's IP was 10.0.0.7...
     
  12. Ben Hutchinson

    Ben Hutchinson New Member

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    sure, i had to change the ip because my wifi decided that it had to change ip after i reset it, it took the 10.0.0.7 slot

    Laptop:
    Ethernet adapter Local Area Connection:


    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) 82579LM Gigabit Network Connection
    Physical Address. . . . . . . . . : 2C-27-D7-80-23-B1
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::65bc:9591:56a3:22c%18(Preferred)
    IPv4 Address. . . . . . . . . . . : 10.0.0.8(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.0.0.0
    Default Gateway . . . . . . . . . : 10.0.0.138
    DHCPv6 IAID . . . . . . . . . . . : 187443159
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-CB-C6-50-2C-27-D7-80-23-B1
    DNS Servers . . . . . . . . . . . : 10.0.0.138
    NetBIOS over Tcpip. . . . . . . . : Enabled


    Wireless LAN adapter Wireless Network Connection:


    Connection-specific DNS Suffix . : BigPond
    Description . . . . . . . . . . . : Intel(R) Centrino(R) Advanced-N 6205
    Physical Address. . . . . . . . . : 08-11-96-7A-49-70
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::d518:1b52:896f:3976%11(Preferred)
    IPv4 Address. . . . . . . . . . . : 10.0.0.7(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Tuesday, 19 June 2012 6:15:41 PM
    Lease Expires . . . . . . . . . . : Wednesday, 20 June 2012 6:15:41 PM
    Default Gateway . . . . . . . . . : fe80::c9ca:9f70:c9c7:7b77%11
    10.0.0.138
    DHCP Server . . . . . . . . . . . : 10.0.0.138
    DHCPv6 IAID . . . . . . . . . . . : 218632598
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-CB-C6-50-2C-27-D7-80-23-B1
    DNS Servers . . . . . . . . . . . : 10.0.0.138
    NetBIOS over Tcpip. . . . . . . . : Enabled



    Main PC:
    Ethernet adapter Local Area Connection:


    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
    Physical Address. . . . . . . . . : B8-AC-6F-DD-07-9A
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::14fc:4d5e:2725:fc1%24(Preferred)
    IPv4 Address. . . . . . . . . . . : 10.0.0.8(Duplicate)
    Subnet Mask . . . . . . . . . . . : 255.0.0.0
    Autoconfiguration IPv4 Address. . : 169.254.15.193(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . : 10.0.0.6
    DHCPv6 IAID . . . . . . . . . . . : 414755951
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-6D-0C-FA-B8-AC-6F-DD-07-9A
    DNS Servers . . . . . . . . . . . : 10.0.0.6
    NetBIOS over Tcpip. . . . . . . . : Enabled
     
  13. alberto

    alberto New Member

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    OK, now both ethernet cards are using the same IP, which might be a bit of a problem, try changing the host PC's IP address to .9 or .10 or whatever else you like.
    Also, how do you connect to the internet? I'm puzzled as to why the DHCP and DNS services are running on a machine that seems to be on the local network.
     
  14. Ben Hutchinson

    Ben Hutchinson New Member

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    fixed the ip problem, i connect using wifi on the laptop
     
  15. alberto

    alberto New Member

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    So what's the new IP?
    For the connection i meant what kind of a connection it is, ADSL?
     
  16. Ben Hutchinson

    Ben Hutchinson New Member

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    main pc is 10.0.0.9
    Laptop is 10.0.0.8

    I have ADSL2
     
  17. alberto

    alberto New Member

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    OK, so now if you try and ping 10.0.0.8 from the host PC what happens?
     
  18. Ben Hutchinson

    Ben Hutchinson New Member

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    successfully pinged it
     
  19. alberto

    alberto New Member

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    OK, now set the host PC's DNS and DHCP to 10.0.8, the new IP for the laptop's ethernet card and ping again
     
  20. Ben Hutchinson

    Ben Hutchinson New Member

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    like this for dns and dhcp?
    ss (2012-06-19 at 08.14.43).
     

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