ping connection to router OK, but no ping between boxes in LAN
 

Hello,

I have Mandriva One 2009.0 (192.168.1.100) on one box and Mandriva Free 2010.0 (192.168.1.118) on the other. I can ping router (192.168.1.1) from both of these boxes but I can't ping one box to the other and the other way around. What's going on?.
Do I have to change some settings in router?. Or is it firewall issue on those two machines?. Both of these boxes are connected by cable. Symbol of the router: TL-WR340G.

Cheers,

assuming you're connecting via a switch in the router, that *could* be doing various things. Back out and check if you have arp entries on both machines for the other host, and also check the routing tables to ensure you are on /24 subnets (odd not to be, but you never know)

So, I run arp on Mandriva One 2009.0 (192.168.1.100) and I got only router adress.
I used following command: arp -s 192.168.1.118 <MAC address> and now I have the following:

[root@localhost mac]# arp
Address HWtype HWaddress Flags Mask Iface
192.168.1.1 ether 08:21:27:ff:ff:28 C eth0
192.168.1.118 ether 05:1e:4d:9c:c9:0d CM eth0

On the other box (192.168.1.118) I had both router and IP address of the other box (192.168.1.100) in the entries. But without CM as a Flags Mask. There are two C's. Maybe that's the problem?.

But there is still no connection.

>>...and also check the routing tables to ensure you are on /24 subnets

Do you mean iptables?. Where I can find config files to it?.

Thanks, for answer.