I have a few questions about my current setup; if anyone would be so
kind to take a look and let me know if there are any issues with the
configuration. Thanks!
My current network setup (a.b.c. Refers to public ip's, X= any #
between 3 and 62)
-------------
| Internet |
------------- (ISP gateway) a.b.c.1 255.255.255.192
|
|
|
-------------------- eth0 a.b.c.2 255.255.255.192
| gateway/firewall |
-------------------- eth1 192.168.1.2 255.255.255.0
|
|
|
-------------------- (192.168.1.X) 255.255.255.0
| Internal Machines |
--------------------
NAT
iptables -t nat -A PREROUTING -d a.b.c.X -i eth0 -j DNAT
--to-destination 192.168.1.X
iptables -t nat -A POSTROUTING -s 192.168.1.X -o eth0 -j SNAT
--to-source a.b.c.X
Routing tables (sample)
Destination GW Genmask Iface
a.b.c.X * 255.255.255.255 UH eth1 (??eth0??)
a.b.c.0 * 255.255.255.192 U eth0
192.168.1.0 * 255.255.255.0 U eth1
127.0.0.0 * 255.0.0.0 U lo
Default a.b.c.1 0.0.0.0 UG eth0
(??Do I need to add any of the routes below??)
192.168.1.0 192.168.1.2 255.255.255.0 UG eth1
a.b.c.0 a.b.c.2 255.255.255.0 UG eth0
192.168.1.2 * 255.255.255.255 UH eth1 (??eth1??)
192.168.1.X * 255.255.255.255 UH eth1 (??eth1??)
a.b.c.2 * 255.255.255.255 UH eth1 (??eth0??)
Patrick Ahler
Systems Administrator
Vikus Corporation
