Can anyone help with this network problem, please?
This machine is an internal router, with two network cards. iptables is
not configured in the kernel, since masquerading and filtering is not
required. (There is a separate firewall machine.)
192.168.2 (eth0) is a network with Windows machines. Packets to and
from that network are no longer being forwarded. The routing table
appears to be correct and IP forwarding is turned on.
Machines on 192.168.2.* are able to ping 192.168.1.18 (the other network
card on the routing machine) but they cannot ping any other machine on
the 192.168.1 network. Similarly, the router can ping 192.168.2.* but
no other machine on 192.168.1 can do so.
This set up was working until it was shut down and rebooted :-(
Kernel 2.6.13
[EMAIL PROTECTED] netstat -nr
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
0.0.0.0 192.168.1.14 0.0.0.0 UG 0 0 0 eth1
[EMAIL PROTECTED] cat /proc/sys/net/ipv4/ip_forward
1
[EMAIL PROTECTED] sudo ifconfig
eth0 Link encap:Ethernet HWaddr 00:E0:81:2E:17:30
inet addr:192.168.2.1 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::2e0:81ff:fe2e:1730/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:29786 errors:0 dropped:0 overruns:0 frame:0
TX packets:17333 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3292835 (3.1 MiB) TX bytes:3704290 (3.5 MiB)
Interrupt:153
eth1 Link encap:Ethernet HWaddr 00:E0:81:2E:17:31
inet addr:192.168.1.18 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::2e0:81ff:fe2e:1731/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2202383 errors:0 dropped:0 overruns:0 frame:0
TX packets:1480881 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:524809613 (500.4 MiB) TX bytes:358879507 (342.2 MiB)
Interrupt:161
Oliver Elphick
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