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Lost LAN Connection
I have a new PowerEdge 400SC with SBS2k3 standard Eval installed. I am
having trouble with the internal LAN connection. It seems to be hardware issue, I have run out of options to troubleshoot this problem. After 15min or so I lose all communication with the server from the clients. Dell was unable to resolve my issue and has sent me another motherboard. The new motherboard has the same problem, so it must have something to do with the driver settings. The NIC is a onboard Intel Pro/1000 MT. Here is what I have tried so far- Adjusted the Media Type from Auto to the hub/switch specific speed/type - no help Trial and error with all other driver device settings - no help Tried many different switches and hubs - no help Replaced all LAN cables - no help Tried multiple clients - no help Re-installed SBS2k3 - no help Tried without any hotfixes or other applications - no help Replaced NIC and Motherboard - no help Tried all available driver version - no help Disabled all sleep settings - no help Ran PROset NIC diagnostice - tested all ok Ran Network monitor to capture packets up to time of failure - no help Put my fist through my wall - No help.. More info- When communication is lost, i do not loose the physical link status. I can re-establish communication simply by disabling and re-enabling the connection in windows. The external interface continues to work fine when the internal fails. Intel wont speak to me since it is a OEM part. Dell hasn't a clue. Current Driver Device Settings Adaptive Inter-Frame Spacing - Enabled Enable PME - No Action Flow COntrol - Generate & Respond Interupt Moderation Rate - Hardware Default Jumbo Frames - Disabled Link Speed and Duplex - Auto Detect Locally Administered Address - Not Present Log Link State Event - Enabled Offload Recieve IP Checksum - On Offload Recieve TCP Checksum - On Offload TCP Segmentation - On Offload Transmit IP Checksum - On Offload Transmit TCP Checksum - On QoS Packet Tagging - Disabled Recieve Descriptors - 256 Transmit Descriptors - 256 Wake on Link Settings - Disabled Wake on Settings - OS Controlled I have found one other post that is very similar but it is not the same OS. http://lists.freebsd.org/pipermail/f...st/002859.html Any help? Thanks, -- Jeff |
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