[SunHELP] Home network and PPP

[Nejhdeh Ghevondian]

Hi All
 
I was wondering if anyone could help me with the following problem.
 
 
I have a private network (192.168.0.0) setup at home, between three
SparcFive worksations (all running Solaris 9), S1, S2 and S3. They are
all connected together using and Ethernet network to a 5-way switch,
with the following details (I have attached a diagram showing the
setup):
 
S1: 192.168.0.1
S2: 192.168.0.2
S3: 192.168.0.3
 
This setup works fine, I can 'rlogin', 'rsh', 'telnet' etc., between all
three computers.
 
S1 is also my internet connection (the gateway) to my dialup ISP through
the Solaris ppp protocol (ppp v4.0). The internet works fine. 
My ISP provides S1 with a LOCAL_IP and a REMOTE_IP. These IP addresses
change each time I log in to my ISP.
 
S2 and S3 can ping the LOCAL_IP of S1, but not the REMOTE_IP of ISP.
 
Here are the 'netstat -nr' commands  after login into my ISP from each
machine:
 
S1
192.168.0.0       192.168.0.1       255.255.255.0    UG       eth0
REMOTE_IP      LOCAL_IP         255.255.255.0    U          sppp0
Default              REMOTE_IP      255.255.255.0    UGH     
.
etc.
 
 
S2
192.168.0.0       192.168.0.2       255.255.255.0    U          eth0
Default              192.168.0.1       255.255.255.0    UG       eth0
.
etc.
 
 
S3
192.168.0.0       192.168.0.3       255.255.255.0    U          eth0
Default              192.168.0.1       255.255.255.0    UG       eth0
.
etc.
 
I want to also use S2 and S3 to access the internet.
 
1.	I was recommended to use Solaris SunScreen to the necessary
NAT/routing. I installed SunScreen and tried all possible combinations
for the source, translated source, destination and translated
destination of the NAT table. It looks like the SunScreen Nat is more
useful for static allocated IP address. 
 
Does anyone have any suggestions?
 
 
I greatly appreciated your help in this manner.
 
 
Nejhdeh Ghevondian

Phone: +61 2 9209 4510 
Fax: +61 2 9319 3874 
Email: nejhdeh at AiMedics.com 
www.AiMedics.com 
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