On Mon, 01 Mar 2004 19:10:25 +1300, you wrote:
>Hi all, sorry for what is probably a particularly mindless question.
>
>I've got a peer-to-peer network comprising two PCs and my ADSL router,
>connected via a switch. I've got a problem that's never occurred before
>and that I can't explain. Neither PC can find the other. Each is
>connecting normally to the Internet via the ADSL router. Each PC can
>ping itself and can ping the router, but can't ping the other PC
>("Destination Host Unreachable"). Telnetting from one PC to the other
>gives "No route to host". Neither PC is running a firewall.
>
>What have I missed, and what has happened?
>
>=====Andrew
>
Hi Andrew,
I'd check that they're on the same subnet first. If linux, from a
terminal session, type in ifconfig. Your lan connection will probably
be eth0. If a windoze pc, then type in ipconfig at the command prompt.
You need to check that the IP addresses are in the same subnet. The
mask/subnet mask values will tell you how much of the IP address is
used for subnetting:
eg
192.168.1.1 and 192.168.1.2, mask 255.255.255.0 are in the same subnet
192.168.1.1 and 192.168.2.1 mask 255.255.255.0 are not.
hth,
Steve
