[MLB-WIRELESS] Linux Router problems.

Mark Aitken vk3jma at wia.org.au
Wed Mar 2 16:25:30 EST 2005


Hi People,

Well I have gone and built up a small router out of an old 200Mhz Pent. 
computer.

It has 4 ethernet cards (1 x PCI and 3 x ISA)

Here is the "ifconfig" capture....


eth0      Link encap:Ethernet  HWaddr 00:40:05:58:62:2B 
          inet addr:192.168.0.1  Bcast:192.168.0.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:21 dropped:0 overruns:0 carrier:42
          collisions:357 txqueuelen:100
          Interrupt:12 Base address:0xe000

eth1      Link encap:Ethernet  HWaddr 00:C0:6C:55:93:50 
          inet addr:10.10.145.210  Bcast:10.10.145.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:21 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          Interrupt:10 Base address:0x300

eth2      Link encap:Ethernet  HWaddr 00:C0:6C:57:67:90 
          inet addr:10.1.1.5  Bcast:10.1.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:1 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          Interrupt:11 Base address:0x320

eth3      Link encap:Ethernet  HWaddr 00:C0:6C:54:28:15 
          inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:21 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          Interrupt:5 Base address:0x340

lo        Link encap:Local Loopback 
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:3924  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0


Now eth0 and 1 work ak.  I can ping other hosts on my lan from each port 
with no problems but
eth2 (my adsl side of the lan) is not pingable (ie the modem 10.1.1.1) 
nor this machine (10.1.1.4)

I notice from LINUXCONF that the entry for eth1 has all IO and IRQ 
values for all ISA cards
(which are all the same type ETHER 16, NE2000 compt.) on its entry.

Can some one assist so as I can move to the nest phase, that is, 
firewalling and routing.

Regards

Mark




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