On Mar 6, Yanhui Liu wrote
> I connected my desktop and notebook computers, both are running linux
> 2.0.27, using the plip module. The desktop is set up as the gateway. The
> strange thing is that the notebook can ping the desktop, but the desktop
> cannot ping the notebook. I am new to networking. Does anybody know
> what's wrong?
My first guess is the routing tables on the laptop. There is a program
called "route" which shows and sets the routing tables for linux. Routes
tell the kernel where to send things--if it doesn't know where to
send them, they don't go anywhere.
So, on you desktop, if you type in "route -n", you should see something
like:
Destination Gateway Genmask Flags Metric Ref Use Iface
127.0.0.1 0.0.0.0 255.255.255.255 UH 0 0 ... lo
<IPaddress> 0.0.0.0 255.255.255.0 ...
Where <IPaddress> is the address of your laptop. My guess is, your lap-
top doesn't have one of these lines. To fix that, try
"route add <IPaddress-of-desktop>" on your laptop.
If this doesn't work, or you want to know exactly how these routes work,
write me some email off the list.
--
- John Larkin
- [EMAIL PROTECTED]
- http://aij.st.hmc.edu/~jlarkin
