On Tue, 2005-01-25 at 09:19 +0100, Roger Grosswiler wrote: > I have a small linux-router with 3 nics builtin (eth2 has been built-in > additionally 2 days before): > > eth0 Link encap:Ethernet HWaddr 00:04:5A:65:F8:B7 > inet addr:10.0.0.2 Bcast:10.255.255.255 Mask:255.0.0.0 > RX bytes:558482 (545.3 Kb) TX bytes:512763 (500.7 Kb) > Interrupt:10 Base address:0x7400 > > eth1 Link encap:Ethernet HWaddr 00:08:A1:6F:26:D7 > inet addr:192.168.0.100 Bcast:192.168.0.255 Mask:255.255.255.0 > RX bytes:732893 (715.7 Kb) TX bytes:347104 (338.9 Kb) > > > eth2 Link encap:Ethernet HWaddr 00:40:F4:76:BF:89 > inet addr:192.168.2.101 Bcast:192.168.2.255 Mask:255.255.255.0 > RX bytes:717996 (701.1 Kb) TX bytes:941933 (919.8 Kb) > > > my routing table looks as follows: > > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use > Iface > 192.168.2.0 * 255.255.255.0 U 0 0 0 eth2 > 192.168.0.0 * 255.255.255.0 U 0 0 0 eth1 > 10.0.0.0 * 255.0.0.0 U 0 0 0 eth0 > default 192.168.0.1 0.0.0.0 UG 0 0 0 eth1 > > > from this machine, i get without any problems in net 192.168.0.0 and > 192.168.2.0 and 10.0.0.0. But: I cannot get from 10.0.0.0 to the others > (except if i am on the routing machine. > > I set /proc/sys/net/ipv4/ip_forward to 1, so routing should be working > fine. But somehow it doesn't. My firewall is deactivated for the moment. > > Traceroute from 10.0.0.1 to 10.0.0.2 is even not working (* * *). Ping > -b 10.0.0.0 from 10.0.0.1 even doesn't show up 10.0.0.2.... Are you sure the client 10.0.0.1 is configured with: IP = 10.0.0.1 Netmask = 255.0.0.0 Broadcast = 10.255.255.255 Gateway = 10.0.0.2 Paul. -- Paul Howarth <paul@xxxxxxxxxxxx>
