Hi,
I'm the diald maintainer. That doesn't mean I can give you any useful
advice :-)
Sorry I didn't reply to you last message, but I'm not particularly
skilled in networking (I maintain diald only because when I installed
Debian the first time diald was not part of the distribution) and I
was hoping somebody more knowledgeable would.
I'm not sure I understood your problem. But let me describe my set up,
that appears to be similar to yours.
Those who understand networking better than I, please forgive me and
correct me.
(server)
---------------- ------------
| | | |
| | | |
Net ---| ethernet------|ethernet |
^ | 192.168.1.1 |192.168.1.2
| | | | |
| ---------------- | |
| ------------
|
|
diald: SLIP on my real IP number (or any number if you have dynamic IP).
If I do ifconfig on my server, this is what I see:
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:1553 errors:0 dropped:0 overruns:0
TX packets:1553 errors:0 dropped:0 overruns:0
eth0 Link encap:10Mbps Ethernet HWaddr 00:20:18:31:29:0A
inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:72456 errors:0 dropped:0 overruns:0
TX packets:71939 errors:0 dropped:0 overruns:0
Interrupt:9 Base address:0x220
sl0 Link encap:Serial Line IP
inet addr:194.109.14.67 P-t-P:194.109.2.10 Mask:255.255.255.0
UP POINTOPOINT RUNNING MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0
TX packets:2245 errors:0 dropped:0 overruns:0
My IP number is 194.109.14.67. In my diald.options file I have:
reroute
mode ppp
local 194.109.14.67
remote 194.109.2.10
The box on the internal network has 192.168.1.1 as its gateway.
On the box running diald I also issue these two commands:
ipfwadm -F -a masquerade -S 192.168.1.0/24 -D 0.0.0.0/0 -V 192.168.1.1
ipfwadm -F -p deny
This set up works: I can certainly telnet and ftp from the second box,
via the first one, and I always appear as if I'm coming from the
server.
You cannot instruct diald to give its SLIP (the PPP) interface the IP
number 192.168.1.1 (if I interpret you sketch correctly). Packets will
be sent out, however no router will ever route traffic for networks
in the 192.168.x class.
I don't know if you can test this set up without going live. You can
probably split you network in two halves that can talk to each other
via a firewall ...
Giuseppe
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