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Re: [OM] [OT] LAN woes

Subject: Re: [OM] [OT] LAN woes
From: "Jim Nichols" <jhnichols@xxxxxxxxxxxxx>
Date: Sat, 5 Jun 2010 17:22:46 -0500
Chuck,

I don't know what type of cables you are using.  My thought was that, 
perhaps, not all conductors in the cable are used for all functions.  A bent 
pin might cause a problem with one function while not bothering another 
function.

Just a thought.

Jim Nichols
Tullahoma, TN USA
----- Original Message ----- 
From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
Sent: Saturday, June 05, 2010 5:15 PM
Subject: Re: [OM] [OT] LAN woes


> It can't be the cables since both machines talk just fine to the
> internet via the router.  They just can't talk to each other in a normal
> fashion and the laptop is unable to even ping the desktop.
>
> Chuck Norcutt
>
> Jim Nichols wrote:
>> Chuck,
>>
>> Just a random thought.  From reading your words, I gather that the main
>> problem is the laptop's ability to communicate properly.  Do you have
>> another cable that you can try, in connecting the laptop to the router?
>>
>> Jim Nichols
>> Tullahoma, TN USA
>> ----- Original Message ----- 
>> From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
>> To: "Olympus mail list" <olympus@xxxxxxxxxxxxxxxxx>
>> Sent: Saturday, June 05, 2010 4:44 PM
>> Subject: [OM] [OT] LAN woes
>>
>>
>>> My little LAN is composed of just two computers (a desktop and a laptop)
>>> attached (by wire) to a wireless capable router and thence to a new
>>> cable modem with VoIP capability.
>>>
>>> On Friday last I installed the new cable modem along with some new and
>>> more modern phones.  All was uneventful.  The new modem just plugged in
>>> place of the old modem and worked off the bat.  The VoIP connection
>>> plugged into the house wiring and also worked fine as did the new
>>> phones.  The next day the laptop was unplugged from its wire and we went
>>> on a weekend trip where the radio on the laptop was enabled to use the
>>> Wi-Fi in the hotel.  Also worked just as expected as it has many times
>>> before.  After we returned the laptop was replugged to its wired
>>> connection and the radio turned off.  All was well for a few days using
>>> just the internet on both machines.  That is, until my wife attempted to
>>> use the LAN by trying to print something from the laptop to one of the
>>> printers connected to the desktop machine.
>>>
>>> To make a long story short I suddenly have no LAN despite both machines
>>> working normally on the internet.  I related all the preceding for
>>> completeness of "changes" to the configuration although I don't see how
>>> either of those things could cause the problem I see.  And I suppose
>>> "suddenly" is a misnomer since we rarely use the LAN except for some
>>> relatively rare printing.  The problem could have been there for weeks I
>>> suppose.
>>>
>>> I have tried to setup the LAN all over again on both machines to no
>>> avail.  The desktop knows and can access the LAN by name and sees that
>>> both machines (by name) are part of the LAN but can't communicate with
>>> the laptop.  The laptop is even weirder.  It knows the name of the LAN
>>> but complains that it has no access to that name and thus no visibility
>>> to the name of the desktop as part of the LAN.  I have disabled the
>>> firewalls on both machines to no avail.  I have tried ping tests which
>>> are also strange.  The desktop can successfully ping the router by
>>> address and can also ping the laptop and itself by NetBIOS name and by
>>> address.  That seems very strange given that it can't communicate with
>>> the laptop normally.  The laptop can communicate with the router by
>>> address and with itself by name and by address.  It can discover the
>>> address of the desktop when told to ping it by name but the ping itself
>>> is unsuccessful.
>>>
>>> All of this, as written, is probably a bit confusing so, to summarize:
>>> the only anomaly of the ping commands is that the laptop's attempts to
>>> ping the desktop are unsuccessful.  That probably goes hand-in-hand with
>>> the laptop's failure to see the desktop as part of the LAN structure.
>>> Finally the desktop can ping anything successfully and sees the LAN
>>> structure but can't communicate with the laptop.
>>>
>>> Does any of this make any sense?  If it weren't for the fact that the
>>> internet works fine I'd be blaming some network hardware.
>>>
>>> Chuck Norcutt
>>> -- 
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>>>
>>
>>
> -- 
> _________________________________________________________________
> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> Themed Olympus Photo Exhibition: http://www.tope.nl/
>
> 


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