On the other hand if your ISDN Router is expecting a "static" IP and
eth0 is setup to use dhcp, then you probably should change it to use a
"static" IP in /etc/network/interfaces. Again, you will have to have
some "good" DNS servers listed in /etc/resolv.conf.
I have it set up with a static IP on the network, I'm not using DHCP at all.
If you have other machines on the network and can ping them by IP number
(the gateway after it comes up in "route" is a good one to try) but not by
name, then this is almost diagnostic of improper DNS servers. If you
cannot ping even the gateway, then something is wrong with the NIC
setup. I doesn't sound like this is the case here, though.
I can't ping even the gateway by number, and I can't ping that box either
from any other machine
The results of "ifconfig", "route" and "lsmod" commands would be helpful
in diagnosing the problem. Also a copy of your /etc/network/interfaces
file would be helpful.
ifconfig:
eth0 Link encap: Ethernet HWaddr 00:A0:CC:5E:69:C1
inet addr: 10.0.0.16 Bcast: 10.0.0.255 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:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
Interrupt:11 Base Address:0xdc00
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:4 errors:0 dropped:0 overruns:0 frame:0
TX Packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
route:
Kernel IP Routing Table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.0.0.0 0.0.0.0 255.255.255.0 U 0 0 0
eth0
0.0.0.0 10.0.0.10 0.0.0.0 UG 0 0 0 eth0
lsmod:
Module Size Used By
nls_cp437 3880 0 (autoclean)
pcmcia_core 44896 0
ide_floppy 8528 0
tulip 28920 1
unix 11336 7 (autoclean)
/etc/network/interfaces
iface eth0 inet static
address: 10.0.0.16
netmask: 255.255.255.0
network: 10.0.0.0
broadcast: 10.0.0.255
gateway: 10.0.0.10
