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Solved: Network Works, Internet Doesn't.

Discussion in 'Networking' started by adian, Sep 20, 2005.

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  1. adian

    adian Thread Starter

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    A user from a different plant recently came to visit. His laptop had no trouble connecting to anything at his home plant, and had no trouble up here, either. I got a call today, however, that since his return he has been able to use the network just fine, but cannot connect to the internet.

    I connected remotely to see if I could find the problem, this is what I tried and found:

    He is on DHCP and automatic DNS finding - I tried forcing him to use the correct DNS server with no change.

    I noticed in Internet Explorer that the IP address of a site is found just fine, but I'm unable to ping the IP. For example, the browser will find that www.cnn.com is 64.236.24.20, but when I ping it my requests time out.

    He can ping the DNS server with no trouble.

    He has access to anything on the network with no issue, it's only the internet that seems to be giving him trouble.

    Windows 2000
    No wireless card
    Integrated ethernet

    Any help would be appriciated.

    - Pat
     
  2. Ciberblade

    Ciberblade Retired Moderator

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    Take a look at his gateway...how about a full IP renew?
     
  3. Bob Cerelli

    Bob Cerelli

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  4. adian

    adian Thread Starter

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    The gateway looks to be the correct oen for our network, and ipconfig /release and /renew didn't seem to fix it. =\

    - Pat
     
  5. ~Candy~

    ~Candy~ Retired Administrator

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    Did you try Bob's suggestion above? I have fixed the same problem using those steps.
     
  6. adian

    adian Thread Starter

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    I tried it, but I admit that I may have done something wrong.

    I copied both of those files to the C drive on his local machine. Went to Start -> Run, and put C:\xp_del_winsock.reg and hit ok. It prompted about adding that to the registry, I said yes. Then I ran the second file in the same manner.

    If that's the correct method then no, it doesn't seem to have worked.

    Sorry about the delays between comments.

    - Pat
     
  7. ~Candy~

    ~Candy~ Retired Administrator

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    I'm wondering if a reboot wouldn't be in order after removal?

    And perhaps even again after adding it back?
     
  8. adian

    adian Thread Starter

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    Good idea. I rebooted after the whole process, but not after each step. Should have thought of that. I'll try to get a hold of him and give it a try.

    - Pat
     
  9. ~Candy~

    ~Candy~ Retired Administrator

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    Where's Bob? He must be on an extended lunch break :D :D
     
  10. JohnWill

    JohnWill Retired Moderator

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    Actually, rebooting after the whole process should have been sufficient. The first file just removes a bunch of stuff, the second one puts back the default entries.

    Perhaps an IPCONFIG /ALL of a working machine and the problem machine would help us see what's going on.
     
  11. adian

    adian Thread Starter

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    Sorry for the long delay, here's the ipconfig info from a healthy machine and from his, starting with the healthy one:

    H:\>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : PR-PROD-LABEL
    Primary Dns Suffix . . . . . . . : classicind.com
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : classicind.com

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) PRO/1000 MT Network Connect
    ion
    Physical Address. . . . . . . . . : 00-0D-56-7E-8D-9F
    Dhcp Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : 192.168.5.130
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.5.5
    DNS Servers . . . . . . . . . . . : 192.168.5.9
    207.69.188.185
    Primary WINS Server . . . . . . . : 192.168.5.9


    H:\>ipconfig /all

    Windows 2000 IP Configuration

    Host Name . . . . . . . . . . . . : classic-vsgxbuj
    Primary DNS Suffix . . . . . . . : classicind.com
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : classicind.com
    classicind

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . : classicind
    Description . . . . . . . . . . . : 3Com 3C920 Integrated Fast Ethernet
    Controller (3C905C-TX Compatible)
    Physical Address. . . . . . . . . : 00-08-74-9D-71-03
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.5.36
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.5.5
    DHCP Server . . . . . . . . . . . : 192.168.5.9
    DNS Servers . . . . . . . . . . . : 192.168.5.9
    Lease Obtained. . . . . . . . . . : Wednesday, September 21, 2005 8:06:4
    3 AM
    Lease Expires . . . . . . . . . . : Wednesday, September 21, 2005 10:06:
    43 PM

    Ethernet adapter Local Area Connection 2:

    Media State . . . . . . . . . . . : Cable Disconnected
    Description . . . . . . . . . . . : 3Com 3C920 Integrated Fast Ethernet
    Controller (3C905C-TX Compatible) #2
    Physical Address. . . . . . . . . : 00-B0-D0-11-9D-D9

    He has two LAN connections - one for his laptop and one for the docking station. The only real difference that I can see between the two is that the earlier is using WINS and the laptop isn't. To be perfectly honest I don't know anything about that.

    - Pat
     
  12. ~Candy~

    ~Candy~ Retired Administrator

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    192.168.5.36


    Manually change that one to 192.168.5.140
     
  13. ~Candy~

    ~Candy~ Retired Administrator

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    Dhcp Enabled. . . . . . . . . . . : No


    Oh, and I think maybe if you change that to YES, the other machine may find a correct IP.
     
  14. adian

    adian Thread Starter

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    I think both the machines have correct IP addresses. For workstations we use static IP addressing (the .130), and for laptops we use the DHCP server. Our DHCP range for that plant is .30 - .40, there are other computers in there that the internet is working fine on. =\

    - Pat
     
  15. ~Candy~

    ~Candy~ Retired Administrator

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    Okey dokey. All of mine have flowing numbers :D
     
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