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  #1  
Old 04-07-2004, 04:12 PM
Eri cB
 
Posts: n/a
Default Wifi network recognised but can't share Internet

Hi oeple! I have installed a wireless network and both
host and client indicate a connection, but I can't ping
either PC from the other. Can someone indicate what I am
doing wrong (I disabled the Trendmicro FW). Host is
running XP Pro and the client W2K. Cheers.
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  #2  
Old 04-07-2004, 05:32 PM
Chuck
 
Posts: n/a
Default Re: Wifi network recognised but can't share Internet

On Wed, 7 Apr 2004 08:12:12 -0700, "Eri cB"
<anonymous@discussions.microsoft.com> wrote:

>Hi oeple! I have installed a wireless network and both
>host and client indicate a connection, but I can't ping
>either PC from the other. Can someone indicate what I am
>doing wrong (I disabled the Trendmicro FW). Host is
>running XP Pro and the client W2K. Cheers.


Eric,

How are the two PCs connected? Thru a router? Direct cable (which as to be a
cross-over)?

Please provide ipconfig information for each computer.
Start - Run - "ipconfig /all >c:\ipconfig.txt" - Open c:\ipconfig.txt in
Notepad, copy and paste into your next post.

Cheers,
Chuck
Paranoia comes from experience - and is not necessarily a bad thing.
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  #3  
Old 04-08-2004, 01:25 PM
anonymous@discussions.microsoft.com
 
Posts: n/a
Default Re: Wifi network recognised but can't share Internet

Hi Chuck! It is Eric from Paris (you might recall having
saved a little of the hair left on my head by helping me
configure Wifi at home after Christmas!).

I am trying to setup a similar network (2 PCs) at our SOHO.
Here are the Ipconfig files (host, under XP Pro) first:
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\EricB>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : DJ0V621J
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : Yes
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R)
PRO/100 VE Network Connecti
on
Physical Address. . . . . . . . . : 00-0C-F1-B6-4E-
7D
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Autoconfiguration IP Address. . . : 169.254.41.163
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . : 81.185.98.39

Ethernet adapter Wireless Network Connection 2:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Linksys
Wireless-G USB Network Adapt
er #2
Physical Address. . . . . . . . . : 00-0C-41-DE-49-
EF
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 192.168.0.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :

PPP adapter Connexion ADSL:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : WAN (PPP/SLIP)
Interface
Physical Address. . . . . . . . . : 00-53-45-00-00-
00
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 81.185.98.37
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 81.185.98.37
DNS Servers . . . . . . . . . . . : 213.203.124.146
212.30.96.108
NetBIOS over Tcpip. . . . . . . . : Disabled

C:\Documents and Settings\EricB>

CLient (under W2K) that I transcribed because in French
and no diskette drive:

Ethernet adapter
Description...IEEE802.11B Wireless USB
DHCP...Yes
Autoconfiguration...Yes
Autoconfigured IP Adress...169.254.109.136
Submask...255.255.0.0
Default Gateway....Nothing
DNS...Nothing

I hope you can help again. You can drop me a line on my
email address = burkele@libertysurf.fr.

Thanks for your time.
EB

>-----Original Message-----
>On Wed, 7 Apr 2004 08:12:12 -0700, "Eri cB"
><anonymous@discussions.microsoft.com> wrote:
>
>>Hi oeple! I have installed a wireless network and both
>>host and client indicate a connection, but I can't ping
>>either PC from the other. Can someone indicate what I am
>>doing wrong (I disabled the Trendmicro FW). Host is
>>running XP Pro and the client W2K. Cheers.

>
>Eric,
>
>How are the two PCs connected? Thru a router? Direct

cable (which as to be a
>cross-over)?
>
>Please provide ipconfig information for each computer.
>Start - Run - "ipconfig /all >c:\ipconfig.txt" - Open

c:\ipconfig.txt in
>Notepad, copy and paste into your next post.
>
>Cheers,
>Chuck
>Paranoia comes from experience - and is not necessarily a

bad thing.
>.
>

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  #4  
Old 04-08-2004, 03:22 PM
Chuck
 
Posts: n/a
Default Re: Wifi network recognised but can't share Internet

On Thu, 8 Apr 2004 05:25:28 -0700, <anonymous@discussions.microsoft.com> wrote:

>Hi Chuck! It is Eric from Paris (you might recall having
>saved a little of the hair left on my head by helping me
>configure Wifi at home after Christmas!).
>
>I am trying to setup a similar network (2 PCs) at our SOHO.


<SNIP>

Hi Eric!

I'm a little unsure what you're trying to do here, and how your network is
setup. But I'll start with a few guesses.

Please describe the physical setup first. I see the wireless adapter on the
host, and another on the client. And the PPP adapter on the host. I am
guessing it's a peer-to-peer wireless setup?

If peer-to-peer, are you then running ICF on the host? But the client is
clearly not getting its settings from the host. So my guess is they're not
connecting wirelessly.

Did you configure the wireless adapter (on each computer) as adhoc
(peer-to-peer)? Are they on the same channel? With the same SSID? Can you
tell if the client is associating with the host?

Why do you have 2 network connections on the host (3 including the PPP adapter)?
Are you just intending to share internet service? Or will you be doing file
sharing too? What does the third connection do?

Cheers,
Chuck
Paranoia comes from experience - and is not necessarily a bad thing.
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  #5  
Old 04-08-2004, 03:39 PM
anonymous@discussions.microsoft.com
 
Posts: n/a
Default Re: Wifi network recognised but can't share Internet

Checkk plse see my answers:
>-----Original Message-----
>On Thu, 8 Apr 2004 05:25:28 -0700,

<anonymous@discussions.microsoft.com> wrote:
>
>>Hi Chuck! It is Eric from Paris (you might recall having
>>saved a little of the hair left on my head by helping me
>>configure Wifi at home after Christmas!).
>>
>>I am trying to setup a similar network (2 PCs) at our

SOHO.
>
><SNIP>
>
>Hi Eric!
>
>I'm a little unsure what you're trying to do here, and

how your network is
>setup. But I'll start with a few guesses.
>
>Please describe the physical setup first. I see the

wireless adapter on the
>host, and another on the client. And the PPP adapter on

the host. I am
>guessing it's a peer-to-peer wireless setup?

Yes it is a p2P wireless setup: ADSL comes in through the
PPP host adapter, via Ethernet (which I guess explains why
there are THREE adapters on the host).
>
>If peer-to-peer, are you then running ICF on the host?

But the client is
>clearly not getting its settings from the host. So my

guess is they're not
>connecting wirelessly.

Yes ICF is running on the host. I show a connection on
both the host and client, ad-hoc automatic WEP-key, but no
pinging possible.
>
>Did you configure the wireless adapter (on each computer)

as adhoc
>(peer-to-peer)? Are they on the same channel? With the

same SSID? Can you
>tell if the client is associating with the host?

No association: I can't ping either computer from the
other (Host timeout error msg).
>
>Why do you have 2 network connections on the host (3

including the PPP adapter)?
See my explanation above.

>Are you just intending to share internet service? Or

will you be doing file
>sharing too? What does the third connection do?

Yes we plan to share Internet/files and the printer, but
will just happy with ICS fro now!
Do these answers help?
Cheers.
>
>Cheers,
>Chuck
>Paranoia comes from experience - and is not necessarily a

bad thing.
>.
>

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  #6  
Old 04-08-2004, 05:42 PM
Chuck
 
Posts: n/a
Default Re: Wifi network recognised but can't share Internet

On Thu, 8 Apr 2004 07:39:19 -0700, <anonymous@discussions.microsoft.com> wrote:

>Checkk plse see my answers:
>>-----Original Message-----
>>On Thu, 8 Apr 2004 05:25:28 -0700,

><anonymous@discussions.microsoft.com> wrote:
>>
>>>Hi Chuck! It is Eric from Paris (you might recall having
>>>saved a little of the hair left on my head by helping me
>>>configure Wifi at home after Christmas!).
>>>
>>>I am trying to setup a similar network (2 PCs) at our

>SOHO.
>>
>><SNIP>
>>
>>Hi Eric!
>>
>>I'm a little unsure what you're trying to do here, and

>how your network is
>>setup. But I'll start with a few guesses.
>>
>>Please describe the physical setup first. I see the

>wireless adapter on the
>>host, and another on the client. And the PPP adapter on

>the host. I am
>>guessing it's a peer-to-peer wireless setup?

>Yes it is a p2P wireless setup: ADSL comes in through the
>PPP host adapter, via Ethernet (which I guess explains why
>there are THREE adapters on the host).
>>
>>If peer-to-peer, are you then running ICF on the host?

>But the client is
>>clearly not getting its settings from the host. So my

>guess is they're not
>>connecting wirelessly.

>Yes ICF is running on the host. I show a connection on
>both the host and client, ad-hoc automatic WEP-key, but no
>pinging possible.


OK, Eric,

I'm confused. I've never seen a PPP connection result in internet service
coming in by Ethernet. Maybe the route table will help explain things.

Please provide the route table for the host.
Start - Run - "route print >c:\route.txt" - Open c:\route.txt in Notepad, copy
and paste into your next post.

Try and explain what the PPP adapter, and the Ethernet adapter, connect to. If
a cable, what's on the other end of the cable? Is there a modem somewhere?
Connected to what?

Can you access the internet from the host? Is ICS enabled between the PPP
adapter and the Linksys wireless adapter?

ICF should be enabled only on the PPP adapter. It will interfere with file
sharing and pinging if enabled on the adapter connecting to the client.

Cheers,
Chuck
Paranoia comes from experience - and is not necessarily a bad thing.
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  #7  
Old 04-08-2004, 07:00 PM
EricB
 
Posts: n/a
Default Re: Wifi network recognised but can't share Internet

Chuck, our ADSL modem is attached by a cable to the
Ethernet port. The Linksys Wifi apadter is connected to
a USB port. I can access the Internet no sweat from the
host and I enabled ICS on the LAN adapter, not the PPP
adapter (which appears as a dial up connection in Network
Connections for some reason!).
ICF is on the LAN adapter.
The Wifi network appears in the tool bar on noth computer
with an Excellent signal strength.
I will try and send the report in a bit, as I need to log
on remotely...
EB

>-----Original Message-----
>On Thu, 8 Apr 2004 07:39:19 -0700,

<anonymous@discussions.microsoft.com> wrote:
>
>>Checkk plse see my answers:
>>>-----Original Message-----
>>>On Thu, 8 Apr 2004 05:25:28 -0700,

>><anonymous@discussions.microsoft.com> wrote:
>>>
>>>>Hi Chuck! It is Eric from Paris (you might recall

having
>>>>saved a little of the hair left on my head by helping

me
>>>>configure Wifi at home after Christmas!).
>>>>
>>>>I am trying to setup a similar network (2 PCs) at our

>>SOHO.
>>>
>>><SNIP>
>>>
>>>Hi Eric!
>>>
>>>I'm a little unsure what you're trying to do here, and

>>how your network is
>>>setup. But I'll start with a few guesses.
>>>
>>>Please describe the physical setup first. I see the

>>wireless adapter on the
>>>host, and another on the client. And the PPP adapter

on
>>the host. I am
>>>guessing it's a peer-to-peer wireless setup?

>>Yes it is a p2P wireless setup: ADSL comes in through

the
>>PPP host adapter, via Ethernet (which I guess explains

why
>>there are THREE adapters on the host).
>>>
>>>If peer-to-peer, are you then running ICF on the

host?
>>But the client is
>>>clearly not getting its settings from the host. So my

>>guess is they're not
>>>connecting wirelessly.

>>Yes ICF is running on the host. I show a connection on
>>both the host and client, ad-hoc automatic WEP-key, but

no
>>pinging possible.

>
>OK, Eric,
>
>I'm confused. I've never seen a PPP connection result

in internet service
>coming in by Ethernet. Maybe the route table will help

explain things.
>
>Please provide the route table for the host.
>Start - Run - "route print >c:\route.txt" - Open

c:\route.txt in Notepad, copy
>and paste into your next post.
>
>Try and explain what the PPP adapter, and the Ethernet

adapter, connect to. If
>a cable, what's on the other end of the cable? Is there

a modem somewhere?
>Connected to what?
>
>Can you access the internet from the host? Is ICS

enabled between the PPP
>adapter and the Linksys wireless adapter?
>
>ICF should be enabled only on the PPP adapter. It will

interfere with file
>sharing and pinging if enabled on the adapter connecting

to the client.
>
>Cheers,
>Chuck
>Paranoia comes from experience - and is not necessarily

a bad thing.
>.
>

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  #8  
Old 04-08-2004, 08:16 PM
Chuck
 
Posts: n/a
Default Re: Wifi network recognised but can't share Internet

On Thu, 8 Apr 2004 11:00:08 -0700, "EricB" <anonymous@discussions.microsoft.com>
wrote:

>Chuck, our ADSL modem is attached by a cable to the
>Ethernet port. The Linksys Wifi apadter is connected to
>a USB port. I can access the Internet no sweat from the
>host and I enabled ICS on the LAN adapter, not the PPP
>adapter (which appears as a dial up connection in Network
>Connections for some reason!).
>ICF is on the LAN adapter.
>The Wifi network appears in the tool bar on noth computer
>with an Excellent signal strength.
>I will try and send the report in a bit, as I need to log
>on remotely...
>EB


OK, Eric, I think I'm getting the picture. Is your internet service PPPoE?
That is, when you startup, does it "dial" and ask for an account and password?

If so, you might do well to get a wireless NAT router. NAT routers (those I'm
aware of anyway) are PPPoE compatible, and do so much better a job of running
the PPPoE client, maintaining your connection, sharing the connection, and
protecting the client computers.

And infrastructure wireless (as opposed to ad-hoc) is easier to secure, and more
reliable.

But continue with the analysis anyway. We might be able to get this working.

Cheers,
Chuck
Paranoia comes from experience - and is not necessarily a bad thing.
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  #9  
Old 04-08-2004, 09:34 PM
Chuck
 
Posts: n/a
Default Re: Wifi network recognised but can't share Internet

On Thu, 8 Apr 2004 11:00:08 -0700, "EricB" <anonymous@discussions.microsoft.com>
wrote:

>Chuck, our ADSL modem is attached by a cable to the
>Ethernet port. The Linksys Wifi apadter is connected to
>a USB port. I can access the Internet no sweat from the
>host and I enabled ICS on the LAN adapter, not the PPP
>adapter (which appears as a dial up connection in Network
>Connections for some reason!).
>ICF is on the LAN adapter.
>The Wifi network appears in the tool bar on noth computer
>with an Excellent signal strength.
>I will try and send the report in a bit, as I need to log
>on remotely...
>EB


Eric,

There are two possible reasons for "can't ping either PC from the other".

1) They are on a different subnet (logically). The host wireless connection
is on 192.168.0/24 because ICS was enabled on it. The client wireless
connection is on 169.254/16, because it is not getting an ip address from the
ICS DHCP server, and is self-assigning an address.

2) There is no connectivity between the host and client. The client is failing
to associate with the host in the ad-hoc wireless network. This, of course,
will cause the above condition.

If you had a wireless router and were unable to associate with it, the router
log (on some brands) might indicate an unsuccessful attempt to associate, and,
in some cases, the cause of the failure (bad WEP key, bad MAC address, ...).

Do the drivers for either wireless adapter (host or client) have a log option?
Check the Event Log on both computers (Control Panel - Administrative Tools -
Event Viewer) too.

When attempting to associate the host and client, and seeing "Excellent signal
strength", try disconnecting / disabling the adapter on the host, then on the
client, while watching the signal strength indicator on the other. Does the
"Excellent signal strength" condition still show on each adapter, when connected
and enabled, with the adaptor on the other disabled or disconnected? How far
apart are the host and client when trying to associate?

I note that the host adapter is described as "Linksys Wireless-G USB Network
Adapter", and the client adapter as "IEEE802.11B Wireless USB". Have you setup
the host adapter as "B mode only"?

Are both the host and client adapters setup on the same channel? Try a
different channel. If currently on 1, move to 11; if currently on 11, move to
1; if in middle, move to 1 then 11.

Remove all security devices for diagnosis. Disable ICF. Turn MAC filtering and
WEP / WPA off on both wireless adapters.

Cheers,
Chuck
Paranoia comes from experience - and is not necessarily a bad thing.
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  #10  
Old 04-08-2004, 09:34 PM
EricB
 
Posts: n/a
Default Re: Wifi network recognised but can't share Internet

Yes, I found it strange that the DSL modem "dials", so it
must be PPPoE.
I will send the Route report tomorrow, 'cause I can't
seem to get the remote access service I am testing to
work this evnning.
Have a good one!
EB
>-----Original Message-----
>On Thu, 8 Apr 2004 11:00:08 -0700, "EricB"

<anonymous@discussions.microsoft.com>
>wrote:
>
>>Chuck, our ADSL modem is attached by a cable to the
>>Ethernet port. The Linksys Wifi apadter is connected

to
>>a USB port. I can access the Internet no sweat from the
>>host and I enabled ICS on the LAN adapter, not the PPP
>>adapter (which appears as a dial up connection in

Network
>>Connections for some reason!).
>>ICF is on the LAN adapter.
>>The Wifi network appears in the tool bar on noth

computer
>>with an Excellent signal strength.
>>I will try and send the report in a bit, as I need to

log
>>on remotely...
>>EB

>
>OK, Eric, I think I'm getting the picture. Is your

internet service PPPoE?
>That is, when you startup, does it "dial" and ask for an

account and password?
>
>If so, you might do well to get a wireless NAT router.

NAT routers (those I'm
>aware of anyway) are PPPoE compatible, and do so much

better a job of running
>the PPPoE client, maintaining your connection, sharing

the connection, and
>protecting the client computers.
>
>And infrastructure wireless (as opposed to ad-hoc) is

easier to secure, and more
>reliable.
>
>But continue with the analysis anyway. We might be able

to get this working.
>
>Cheers,
>Chuck
>Paranoia comes from experience - and is not necessarily

a bad thing.
>.
>

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