I have three RedHat boxes, that have had their network settings very
played with. They can ping each other, a router on the network, and a PC
on the network.
The network is a 192.168.2 network, all netmasks 255.255.255.0
However, I added a second PC to the network. It can ping the linux boxes,
they can't ping it. It can ping machines beyond the local router. The
linux boxes can't. A traceroute from one of the machines shows it getting
to the local router, that's it.
When I run tcpdump on a linux box, and try and ping the remote
router...no icmp packets are seen going out. No arps are going out. What
sort of evil has possesed my linux boxes ?
The words of the unwary are apt to cause needless pain and bloody violence.
- Zen Master Greg
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