Can you grab some sniffs we could analyze?  They may point towards a
specific network issue depending on arps and responses.

--j

On Sun, Jul 27, 2008 at 10:53 AM, Robert Brown <rbrown at rawmindz.com> wrote:
> Yeah, that was my initial thought.  Sudden network flakiness, outta
> the blue, on an otherwise normally functioning network, in my
> experience, has often pointed to a bad switch.  Probably the easiest
> thing to rule out.
>
> Rob
>
> On Sun, Jul 27, 2008 at 2:37 AM, Jeremy <tclug at lizakowski.com> wrote:
>>
>> Perhaps the internal switch/hub is flaking out, but the embedded *nix chip is
>> ok.  Overheating of the router?   Noisy line voltage?  Or it could be a blown
>> capacitor or other HW issues.
>>
>> It might be easiest to try another router, or replace it with a hub/switch and
>> see if the local net is ok.  Or, put the local net on a switch that feeds
>> into the router, so that local traffic never touches the router.
>>
>> Jeremy
>>
>>
>>
>> On Saturday 26 July 2008 11:00:36 pm Yaron wrote:
>>> Hey all,
>>>
>>> I'm having some bad network flakeyness, just came out of nowhere...
>>> connections between hosts on the local network are really bad, huge
>>> amounts of packet loss OCCASSIONALLY. Like suddenly you can't connect to
>>> the DNS server. Or you're SSH'd onto a machine and suddenly THAT dies...
>>> and then comes back.
>>>
>>> If I do pings I I get up to 50% packet loss.
>>>
>>> These is between all and every hosts.
>>>
>>> Except the router - perfect connectivity to THAT.
>>>
>>> I need some tools to try and figure that out. I've tried wireshark but I
>>> see nothing unusual there.
>>>
>>> Anyone know any good tools or have any ideas? This is kinda driving me
>>> nuts!
>>>
>>>
>>> -Yaron
>>>
>>> --
>>>
>>> _______________________________________________
>>> TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
>>> tclug-list at mn-linux.org
>>> http://mailman.mn-linux.org/mailman/listinfo/tclug-list
>>
>>
>>
>> _______________________________________________
>> TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
>> tclug-list at mn-linux.org
>> http://mailman.mn-linux.org/mailman/listinfo/tclug-list
>>
>
> _______________________________________________
> TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
> tclug-list at mn-linux.org
> http://mailman.mn-linux.org/mailman/listinfo/tclug-list
>