Public Nic stops responding - no evidence of why

Discussion in 'Windows Networking' started by MajorWorkload, Sep 14, 2006.

  1. MajorWorkload

    MajorWorkload Guest

    hi
    I have a windows 2003 server with 2 GB network cards
    One is on the public network, and on on the private network
    Same config as another window2003 server which works
    Except on the new one,
    every couple days, ,mostly in the middle of the night, the public card stops
    responding. it reports that its connected, and there is nothing in the event
    log.
    I repair the public nic, and it starts working right away.
    Anyone have any ideas what could be causing this, or a fix?
    thanks a bunch
     
    MajorWorkload, Sep 14, 2006
    #1

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  2. MajorWorkload

    Robert L [MVP - Networking] Guest

    posting the result of ipconfig /all here may help.

    Bob Lin, MS-MVP, MCSE & CNE
    Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
    How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
    hi
    I have a windows 2003 server with 2 GB network cards
    One is on the public network, and on on the private network
    Same config as another window2003 server which works
    Except on the new one,
    every couple days, ,mostly in the middle of the night, the public card stops
    responding. it reports that its connected, and there is nothing in the event
    log.
    I repair the public nic, and it starts working right away.
    Anyone have any ideas what could be causing this, or a fix?
    thanks a bunch
     
    Robert L [MVP - Networking], Sep 14, 2006
    #2

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  3. MajorWorkload

    MajorWorkload Guest

    thanks,
    here it is


    Windows IP Configuration



    Host Name . . . . . . . . . . . . : MachineName

    Primary Dns Suffix . . . . . . . :

    Node Type . . . . . . . . . . . . : Unknown

    IP Routing Enabled. . . . . . . . : No

    WINS Proxy Enabled. . . . . . . . : No

    DNS Suffix Search List. . . . . . : mydomain.com



    Ethernet adapter PrivateLan:



    Connection-specific DNS Suffix . :

    Description . . . . . . . . . . . : D-Link DGE-530T Gigabit Ethernet
    Adapter

    Physical Address. . . . . . . . . : 00-11-95-8B-DA-9D

    DHCP Enabled. . . . . . . . . . . : No

    IP Address. . . . . . . . . . . . : 192.168.1.61

    Subnet Mask . . . . . . . . . . . : 255.255.255.0

    IP Address. . . . . . . . . . . . : 192.168.1.13

    Subnet Mask . . . . . . . . . . . : 255.255.255.0

    IP Address. . . . . . . . . . . . : 192.168.1.7

    Subnet Mask . . . . . . . . . . . : 255.255.255.0

    Default Gateway . . . . . . . . . : 192.168.1.1

    DNS Servers . . . . . . . . . . . : 192.168.1.1



    Ethernet adapter PublicWan:



    Connection-specific DNS Suffix . : mydomain.com

    Description . . . . . . . . . . . : D-Link DGE-530T Gigabit Ethernet
    Adapter #2

    Physical Address. . . . . . . . . : 00-11-95-D7-AE-6A

    DHCP Enabled. . . . . . . . . . . : No

    IP Address. . . . . . . . . . . . : 66.199.173.123

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.112

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.111

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.110

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.109

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.107

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.101

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.108

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    Default Gateway . . . . . . . . . : 66.199.173.97

    DNS Servers . . . . . . . . . . . : 216.187.125.130

    216.187.125.131
     
    MajorWorkload, Sep 14, 2006
    #3
  4. MajorWorkload

    Robert L [MVP - Networking] Guest

    You should not assign default gateway on the private NIC if it is multihomed computer. This search result may help,

    Routing Don't add default gateway across disjoint networks Is it possible both sites of the VPN using the same IP range Metric is the same for both the remote ...
    www.chicagotech.net/routing.htm


    Bob Lin, MS-MVP, MCSE & CNE
    Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
    How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
    thanks,
    here it is


    Windows IP Configuration



    Host Name . . . . . . . . . . . . : MachineName

    Primary Dns Suffix . . . . . . . :

    Node Type . . . . . . . . . . . . : Unknown

    IP Routing Enabled. . . . . . . . : No

    WINS Proxy Enabled. . . . . . . . : No

    DNS Suffix Search List. . . . . . : mydomain.com



    Ethernet adapter PrivateLan:



    Connection-specific DNS Suffix . :

    Description . . . . . . . . . . . : D-Link DGE-530T Gigabit Ethernet
    Adapter

    Physical Address. . . . . . . . . : 00-11-95-8B-DA-9D

    DHCP Enabled. . . . . . . . . . . : No

    IP Address. . . . . . . . . . . . : 192.168.1.61

    Subnet Mask . . . . . . . . . . . : 255.255.255.0

    IP Address. . . . . . . . . . . . : 192.168.1.13

    Subnet Mask . . . . . . . . . . . : 255.255.255.0

    IP Address. . . . . . . . . . . . : 192.168.1.7

    Subnet Mask . . . . . . . . . . . : 255.255.255.0

    Default Gateway . . . . . . . . . : 192.168.1.1

    DNS Servers . . . . . . . . . . . : 192.168.1.1



    Ethernet adapter PublicWan:



    Connection-specific DNS Suffix . : mydomain.com

    Description . . . . . . . . . . . : D-Link DGE-530T Gigabit Ethernet
    Adapter #2

    Physical Address. . . . . . . . . : 00-11-95-D7-AE-6A

    DHCP Enabled. . . . . . . . . . . : No

    IP Address. . . . . . . . . . . . : 66.199.173.123

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.112

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.111

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.110

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.109

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.107

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.101

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    IP Address. . . . . . . . . . . . : 66.199.173.108

    Subnet Mask . . . . . . . . . . . : 255.255.255.224

    Default Gateway . . . . . . . . . : 66.199.173.97

    DNS Servers . . . . . . . . . . . : 216.187.125.130

    216.187.125.131
     
    Robert L [MVP - Networking], Sep 15, 2006
    #4

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