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Cant ping "Computer2"

Discussion in 'Network Infrastructure' started by MajorGeek, Sep 24, 2007.

  1. MajorGeek

    MajorGeek Guest

    Help please, learning for 70-291 and having a bit of trouble.
    Here's my set-up to test DNS:

    Two virtual servers:

    Computer1
    member server

    192.168.2.10 access to wireless network, internet
    192.168.0.1 virtual network, DNS
    netbios disabled

    Can ping 192.168.0.2 but not computer2
    "Ping request could not find host computer2. Please check the name and try again."


    Computer2
    member server

    192.168.0.2
    netbios disabled

    Can ping 192.168.0.1 and computer1
    Can ping 192.168.2.10
    Can access the internet
    If change computer2 IP address automatically updates host record in DNS

    So computer2 seems to be behaving as expected, dns seems to be OK on computer1 can ping IP addresses both way, just cant ping "Computer2", any ideas?
     
  2. simongrahamuk
    Honorary Member

    simongrahamuk Hmmmmmmm?

    6,199
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    Do you have both a forward look up zone and a reverse lookup zone configured in DNS?
     
  3. MajorGeek

    MajorGeek Guest

    Yes, but as I understand it reverse lookup is IP address to name resolution. I can ping the IP address but not the name. So I would expect the problem to be with forward lookup i.e. name to IP address, but there is a Host(A) record.....
     
  4. simongrahamuk
    Honorary Member

    simongrahamuk Hmmmmmmm?

    6,199
    125
    199
    Can you disable your 192.168.2.10 NIC and try. What happens then?
     
  5. MajorGeek

    MajorGeek Guest

    Just tried that and yes it works then so possibly something to do with the ICS, I am in the middle of reconfiguring.
     
  6. MajorGeek

    MajorGeek Guest

    I have reconfigured both "machines" and it seems to be OK now.
    This is what they look like with ICS set on Computer1:

    Windows IP Configuration
    Host Name . . . . . . . . . . . . : Computer1
    Primary Dns Suffix . . . . . . . : badger.local
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : Yes
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : badger.local
    Ethernet adapter Virtual Net:
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel 21140-Based PCI
    Physical Address. . . . . . . . . : 00-03-FF-EB-0F-45
    DHCP Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : 192.168.2.10
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.2.1
    DNS Servers . . . . . . . . . . . : ISP servers
    ISP servers
    NetBIOS over Tcpip. . . . . . . . : Disabled


    Windows IP Configuration
    Host Name . . . . . . . . . . . . : Computer2
    Primary Dns Suffix . . . . . . . : badger.local
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : badger.local
    Ethernet adapter Virtual Net Link:
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel 21140-Based PCI
    Physical Address. . . . . . . . . : 00-03-FF-AB-6B-A1
    DHCP Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : 192.168.2.11
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.2.1
    DNS Servers . . . . . . . . . . . : 192.168.2.10
    NetBIOS over Tcpip. . . . . . . . : Disabled
     

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