I recently switched from Debian to RedHat, however, RedHat is
giving me some rather annoying problems. I have a server with two
ethernet cards. The kernel finds both of them okay. I want to configure
eth0 on a 192.168.1.x class C network. The server will be .2, and an NT
box will be .42. I can setup the device seemingly okay. I'll ping
192.168.1.2 from the server and it is perfectly happy to reply, but if I
try and ping the NT box from the server nothing it can't see it. If I
ping the NT box from itself, it works, but I cannot ping the server from
the NT box. I know that the cabling and the hub are okay. I know the
network cards work.
When I installed, I hauled the box into the my office and plugged
it into an ethernet inet connection using the eth1 card (then eth0).
After the install, I copied ifcfg-eth0 to ifcfg-eth1 and edited ifcfg-eth0
to be 192.168.1.2. After a reboot, I could still get out on the net
through eth1. When I took the box home, I disabled the config for eth1 on
bootup. From home I simply cannot see any computer on the LAN. However,
if I establish a PPP connection, I can get to the internet.
Below are a few config files, display outputs, etc. I'm new to
RedHat and it isn't nearly as straight foward as Debian, so this is
everything I could find that was semi-important...
BTW, please assume that I do not have X running, so any solutions
must not use the X based config tools. Thanks.
Kevin Currie
-------------------
ifconfig > file.out
-------------------
lo Link encap:Local Loopback
inet addr:127.0.0.1 Bcast:127.255.255.255 Mask:255.0.0.0
UP BROADCAST LOOPBACK RUNNING MTU:3584 Metric:1
RX packets:55 errors:0 dropped:0 overruns:0
TX packets:55 errors:0 dropped:0 overruns:0
eth0 Link encap:Ethernet HWaddr 00:40:05:38:FF:47
inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2 errors:0 dropped:0 overruns:0
TX packets:33 errors:0 dropped:0 overruns:0
Interrupt:11 Base address:0x320
-----------------
cat /proc/dev/net
-----------------
Inter-| Receive | Transmit
face |packets errs drop fifo frame|packets errs drop fifo colls carrier
lo: 71 0 0 0 0 71 0 0 0 0 0
eth0: 2 0 0 0 0 50 0 0 0 0 0
eth1: 0 0 0 0 0 0 0 0 0 0 0
-------------------
cat /proc/dev/route
-------------------
Iface Destination Gateway Flags RefCnt Use Metric Mask
MTU Window IRTT
eth0 0001A8C0 00000000 01 0 2 0 00FFFFFF
1500 0 0
lo 0000007F 00000000 01 0 2 0 000000FF
3584 0 0
----------------------
/etc/sysconfig/network
----------------------
NETWORKING=yes
FORWARD_IPV4=false
HOSTNAME=eddie.sirius.cybernetics.net
DOMAINNAME=sirius.cybernetics.net
GATEWAY=
GATEWAYDEV=
-----------------------------------------
/etc/sysconfig/network-scripts/ifcfg-eth0
-----------------------------------------
DEVICE=eth0
IPADDR=192.168.1.2
NETMASK=255.255.255.0
NETWORK=192.168.1.0
BROADCAST=192.168.1.255
ONBOOT=yes
-----------------------------------------
/etc/sysconfig/network-scripts/ifcfg-eth1
-----------------------------------------
DEVICE=eth1
IPADDR=141.218.113.11
NETMASK=255.255.255.0
NETWORK=141.218.113.0
BROADCAST=141.218.113.255
ONBOOT=no
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