Two PC's are not seeing eachother

[shaner66]

I'm connecting two PC's using a crossover cable, I assigned both a static IP, 192.168.1.40 for the host and 192.168.1.50 for the guest, with a subnet mask of 255.255.255.0

All the required services are installed, they are both part of the same workgroup, different computer name for both, but when I try to ping from either one, it doesn't work.

Any suggestions?

 

[SESaskDFC]

Howdy:

What operating system??

Do you have anything shared??

Is there a firewall involved and, if so, have you told the firewall to allow traffic to and from the networked computers??

Murray

 

[shaner66]

Both XP, yeah, I had folders shared, both PC's have firewalls enabled, I will try to disable them but I don't think that's the problem as the two PC's are not even seeing each other.

 

[bcastner]

As long as the firewalls are enabled on even one client they will not see each other.

The native XP firewall is intended only for protecting WAN side traffic. MS advises that it be disabled for all intranet communications between workstations.

Bill

 

[bcastner]

Description of the Internet Connection Firewall

http://support.microsoft.com/default.aspx?scid=kb;EN-US;320855

"It is not a good idea to turn on Internet Connection Firewall on any connection that does not directly connect to the Internet. IF you turn on Internet Connection Firewall for the network adapter of a client computer that is running Internet Connection Sharing, Internet Connection Firewall interferes with some communications between that computer and all other computers on the network. For a similar reason, you cannot use the Network Setup Wizard to turn on Internet Connection Firewall on the Internet Connection Sharing host private connection. This is the connection that connects the Internet Connection Sharing host computer with the Internet Connection Sharing client computers. Turning on a firewall in this location would completely prohibit network communications."

Remember that you LAN IPs are private, part of the APIA and LANA reserved range for non-routable IPs.

If you use the ICS sharing host at some point, you can enable ICF or another firewall on the WAN adapter, but leave the enternet NIC for LAN side communications alone.

 

[SESaskDFC]

And they never will see each other if even one firewall is enabled..

Murray

 

[shaner66]

Well I disabled both firewalls, it's working just fine now.

Thanks a lot!