One-way ping

X11 · 03-14-2002, 01:37 AM

I have problems with one of my computers (which is a laptop running linux), the problem is that it can't ping itself but it can the other machine (the desktop, running linux at the time).

My network setup is:

Desktop:
192.168.100.1

Laptop:
192.168.100.2

Which run through a 5-port Ethernet Switch (I'm planning to hook up more machines soon)

I done all the ping tests successfully from the desktop. But the laptop can't ping itself.

I've the following on the laptop:

Code:

ping 192.168.100.1 
ping 192.168.100.2
ping 127.0.0.1

The first ping works

The second ping on the laptop comes up with the following error:

Code:

connect: Network is unreachable

The third ping on the laptop comes up with:

Code:

connect: Invalid agrument

Mara · 03-14-2002, 02:12 AM

Look if you have loopback : ifconfig lo

X11 · 03-14-2002, 07:15 PM

ME SLAPS MYSELF

really simple problem to solve

For anyone else who has had this problem here's a possible solution:

Code:

ifconfig lo 127.0.0.1

Type that in at the console and it should solve your one-way ping problem.