Good morning all.
I have a 3 machine home network connected to the ISP by modem .
After lots of problems which turned out to be caused by
mostly 'bad hardware'... 2 bad Nics and a bad cable
I am finally getting close to a working solution on
my home network.
This network has a Win-95 Proxy Server as Box-1,
a Linux IP Masqueraded Gateway as Box-2 and
one Linux/Win-95 work station... as Box-3.
Yes, this is a little wierd but is a great experiment.
Routing seems to work ok on two of the machines but I'm
having problems pinging between BOX-2 and BOX-3.
I have tested the hardware on Box-3 by 're-nameing' it as if
it was Box-2's eth0 at 10.0.0.2 [and recabling]
and it worked fine.
But when I rename it back to the Box-3 hostname and IP#
of 192.168.0.4 I cannot ping any IP# on Box-2
from Box-3 and I also cannot ping Box-3 from Box-2 ???????
Note: 'BOX-3' is a RH-6.1 Linux Machine DUAL BOOTED with Win-95
and I have the same problem in both Win-95 and Linux on Box-3.
I used 'linuxconf' to configure the Linux boxes.
I believe this to be a routing problem on Box-2
but I am confused as to what changes to make.
I would appreciate some help understanding what I've done wrong.
Thanks in advance.
Johnny
PS... here is some useful information about my system.
---------------------------------------------------------------
My /etc/hosts [on all machines] contains....
127.0.0.1 localhost localhost.localdomain
10.0.0.1 in.domain.name in #[ eth0 in BOX-1 ]
10.0.0.2 nut.domain.name nut #[ eth1 in BOX-2 ]
# Note: HostName for Box-2 is 'nut'
192.168.0.1 gw.domain.name gw #[ 'eth0' in BOX-2 ]
192.168.0.4 luk.domain.name luk #[ eth0 in BOX-3 ]
---------------------------------------------------------------
On BOX-2... 'nut.domain.name' [non-public domain name & IP#s]
'netstat -nr shows....
192.168.0.0 0.0.0.0 255.255.255.0 U 1500 0 0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 3584 0 0 lo
10.0.0.0 0.0.0.0 255.0.0.0 U 1500 0 0 eth0
0.0.0.0 10.0.0.1 0.0.0.0 UG 1500 0 0 eth0 ..?? 1=?
?? Should the 'default gateway' 10.0.0.1 be to eth1..instead??
---------------------------------------------------------------
On BOX-2... 'nut.domain.name' [non-public domain name & IP#s]
my /etc/rc.d/rc.local file has...
ipfwadm -F -p deny
ipfwadm -F -a m -S 10.0.0.0/8 -D 0.0.0.0/0
---------------------------------------------------------------
On BOX-3... 'luk.domain.name' [non-public domain name & IP#s]
'netstat -nr shows....
192.168.0.4 0.0.0.0 255.255.255.255 U 1500 0 0 eth0
192.168.0.0 0.0.0.0 255.255.255.0 U 1500 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 3584 0 0 lo
---------------
? Do I need to add the 'default gw as below'... as well ?
0.0.0.0 10.0.0.1 0.0.0.0 UG 1500 0 0 eth0
---------------------------------------------------------------
Some explanation about why I'm doing it this way.
My 'Goal' here is to use a...
WIN-95 machine/'BOX-1' to dialup the ISP
[ with a 'server' s/w pkg & Dual Phone Line Modem]
and pass the packets to...
'BOX-2' a RH-5.2 Linux Machine [ IP Masqueraded Firewall Box]
which is used to protect my local network [just 'BOX-3' now].
and pass the packets to...
'BOX-3' a RH-6.1 Linux Machine DUAL BOOTED with Win-95
I am doing it this way because I don't have access to
DSL or ISDN but I do have access to Dual Phone Line technology.
Eventually I will be able to get high speed service and will
eliminate Box-1 and connect Box-2 directly to the ISP.
I have the 'server s/w package' installed on BOX-1
and it works fine.
I can use Netscape on Box-2 to access websites through
Box-1 [ Box-1 is a Win-95 'Proxy Server't 10.0.0.1 ]
The following is
my current system plan.
---------------------------------------------------------------
MY ISP
|
|
|
>------|== SupraSonic Dual Line/ 56k Modem '106k down'
|
|--Box-1 A WIN-95 MACHINE [w/ 'Proxy server' s/w package]
|
| THE GATEWAY for This Box is 0.0.0.0 [is set by ppp process]
|
| WIN-95
|
>------|---eth0 IP= 10.0.0.1 Mask= 255.0.0.0
|
|
|
>------|---eth1 IP= 10.0.0.2 Mask= 255.0.0.0
|
|==Box-2 RH-5.2 [an IP-Masqueraded[IPFWADM] firewall Machine]
|
| THE 'GATEWAY' for This Box is 10.0.0.1/eth0 on Box-1
|
| LINUX[ RH-5.2]
>-----|---'eth0' IP= 192.168.0.1 Mask= 255.255.255.0
|
|
>--|
|==LynkSys HUB, 10BT, 5 ports
>--|
|
>--|---eth0 IP=192.168.0.4 Mask= 255.255.255.0
|
|--Box-3 a DUAL BOOTED Machine-WIN-95 & LINUX[RH-6.1]
|
|
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