[nflug] Help- At a Loss

Brad Bartram brad.bartram at gmail.com
Mon Aug 11 14:11:22 EDT 2008


Check for the existence of malware on the windows boxes.  Grab a tcp
dump of the network traffic closest to one of the affected nodes and
see if there's anything there that shouldn't be.

Brad

On Mon, Aug 11, 2008 at 2:02 PM, Cyber Source <peter at thecybersource.com> wrote:
> The first thing that comes to mind are these;
> 1. Duplicate MAC address on the network ?
> 2. Bad termination of an RJ45?
> 3. Some windows box gone hay wire?
>
> justin.bennett at dynabrade.com wrote:
>>
>> Hey guys,
>>
>>        This is a little off topic, but I need some help. I'm experiencing
>> some packet loss on an internal network at one of our remote locations. I
>> don't understand why, It's network wide, if I try to ping a windows server
>> from a local desktop, I'll loose between 6-19% of the packets, If I ping one
>> server from another, or desktop to desktop, I get packet loss, so bad it's
>> affecting the performance of the network to the point where DNS lookups fail
>> and sites can't be reached. I thought it was the network switch there, but I
>> had him replace it with a new one, (different brand) same problem. Is there
>> anything that may be causing this? I'm looking for thoughts at the moment.
>> Basically it's windows XP clients doing DHCP to a Linux box running samba as
>> a file server, and the a Windows 2003 server as their application system.
>>
>> Thanks
>> Justin
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> nflug mailing list
>> nflug at nflug.org
>> http://www.nflug.org/mailman/listinfo/nflug
>>
>
> _______________________________________________
> nflug mailing list
> nflug at nflug.org
> http://www.nflug.org/mailman/listinfo/nflug
>


More information about the nflug mailing list