Re: lan connection


Fabio De Dominicis wrote:


"Malke" <malke@xxxxxxxxxxxxxxx> ha scritto nel messaggio
news:O%2395mmiIJHA.1088@xxxxxxxxxxxxxxxxxxxxxxx
Fabio De Dominicis wrote:

Hi all,
I linked, with a direct lan cable, two computers (a e b) with O.S.
xpsp3.
Both have just one lan connection set with manual configuration, with
ip
address which differs just for the last digit.
Computer a can correctly ping itself through its ip (192.168.1.2) and b
can
correctly ping itself through its ip 192.168.1.3).
a can correctly ping b, but b can't ping a.
Workstation and server services are activated and started on both pcs,
and
there are no errors in both's eventlog.
Computer browser and network access services are disabled on both pcs,
but
a can correctly ping b, so this isn't the problem.
the firewall is turned off on both pcs and there's no antivirus or
antispiware. Panda, scanning software online has found no virus on both.
Do you have some idea?
thanks in advance,

When you directly connect two computers together with an ethernet cable,
that cable needs to be crossover, not straight-through. It sounds like
you used the wrong ethernet cable.

Thanks for the answer,
I checked, and the cable is crossover, as you suggest. The problem is in
the software, maybe some missing dll? Can I make some tests for example?

The problem is not "in the software". You have something set wrong. See
below for general network troubleshooting.

A. Configure firewalls on all machines to allow the Local Area Network (LAN)
traffic as trusted. With Windows Firewall, this means allowing File/Printer
Sharing on the Exceptions tab. Normally running the Network Setup Wizard on
XP will take care of this for those machines.The only "gotcha" is that this
will turn on the XPSP2 Windows Firewall. If you aren't running a
third-party firewall or have an antivirus with "Internet Worm
Protection" (like Norton 2006/07) which acts as a firewall, then you're
fine. With third-party firewalls, I usually configure the LAN allowance
with an IP range. Ex. would be 192.168.1.0-192.168.1.254. Obviously you
would substitute your correct subnet. Do not run more than one firewall. DO
NOT TURN OFF FIREWALLS; CONFIGURE THEM CORRECTLY.

B. For ease of organization, put all computers in the same Workgroup. This
is done from the System applet in Control Panel, Computer Name tab.

C. Create matching user accounts and passwords on all machines. You do not
need to be logged into the same account on all machines and the passwords
assigned to each user account can be different; the accounts/passwords just
need to exist and match on all machines. DO NOT NEGLECT TO CREATE
PASSWORDS, EVEN IF ONLY SIMPLE ONES. If you wish a machine to boot directly
to the Desktop (into one particular user's account) for convenience, you
can do this. The instructions at this link work for both XP and Vista:

Configure Windows to Automatically Login (MVP Ramesh) -
http://windowsxp.mvps.org/Autologon.htm

D. If one or more of the computers is XP Pro or Media Center, turn off
Simple File Sharing (Folder Options>View tab).

E. Create shares as desired. XP Home does not permit sharing of users' home
directories or Program Files, but you can share folders inside those
directories. A better choice is to simply use the Shared Documents folder.

Malke
--
MS-MVP
Elephant Boy Computers - Don't Panic!
FAQ - http://www.elephantboycomputers.com/#FAQ

.

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