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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 16:55:35 -0500
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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