Can't ping over adhoc wireless network

[TechFlunky]

I have 1 laptop running XP Home with a Linksys card, called LAPTOP and a desktop PC running Windows 98 SE with a Linksys Instant Wireless USB Adaptor, called HELEN. These are both in a workgroup with SSID 'linksys'. The PC has a Norton personal firewall on it but this is disabled.The laptops built in firewall is disabled. Both devices appear to be working Ok - signal strength is excellent and the Linksys utility says they are connected to the workgroup.

Both machines connect to the internet Ok with their own dial up adaptors. I can ping the loopback address on both machines but not between them. Ping returns a 'Request Timed Out' message.

Any ideas?

Thanks

 

[jgercken]

Make sure they have IP addresses in the same subnet.
In the Start--->Run box type winipcfg. This will give you information on all your network interfaces. (in Win2K use the cmd ipconfig)
-Jeff

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[TechFlunky]

Thanks. Ive looked and they are in the same subnet. Should the IP address begin with any specific sequence?

 

[GlenJohnson]

What happens when you ping msn.com? Glen A. Johnson
Johnson Computer Consulting
MCP W2K
glen@johnsoncomputers.us

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[pansophic]

TechFlunky,

If this is your home network, you should be using an RFC 1918 compliant private network address. The following are valid:

10.x.x.x/8 Class A (16 million hosts)
172.16-32.x.x/16 Class B (16 networks, 65K hosts each)
192.168.x.x/24 Class C (256 networks, 254 hosts each)

Do you have WEP enabled by any chance? Maybe on one end and not the other?
pansophic

 

[TechFlunky]

That did it.

IP address was invalid, began with 169. Subnet would vary with each logon - have no idea why. Subnet mask was also wrong. Dropped the TCP stack out of both machines and rebooted everything, then set 2 static IPs with the correct address format and it worked.

Thanks Pansophic.