After beating my head against this one for almost a week - it's finally
solved. The solution turned out to be a simple one. By defualt the rpm's
set up the dialdcfg-ppp0 to use 192.168.0.1 and 192.168.0.2 for the slip
link. I guess this was assumeing that 192.168.0.1 was by Linux masq box and
192.168.0.2 wasn't used. In fact my Linux masq box was 192.168.0.4 and my
NT machine was at 192.168.0.2. I changed these two values and boom! I'm off
to the races.
Thanks very much to everybody that helped me with this problem, especially
Ed Jaeger (I owe you a big one Ed for all your time - it was your output
from ifconfig and route -e that gave me the final clue).
Thanks,
Jim
At 08:14 AM 5/28/98 -0700, you wrote:
>I've been trying to work out the problems I'm having with diald and
>masquarding
>and posting to this list for about a week now. I've gotten lots of good
>feedback but I'm still having problems. I realized this morning that I
haven't
>told the whole story so I thought I would detail the whole situation and
maybe
>somebody would see something the would ring a bell (and solve all my
>problems!!). So here it is:
>
>I'm running RH5 with kernel 2.0.33.
>I have a Linux box that connects to my ISP via modem.
>I have 3 other machines (NT and 95) that are connected to it by ethernet.
>I set up IP masquarading so that I can connect the Linux box to my ISP and
all
>of the machines have internet access.
>I decided to take the next step and install diald so I got the RPM's from the
>redhat ftp site for diald.
>I installed it and fought with it for a while then I read somewhere that
diald
>needs SLIP compiled in to work.
>No problem - I quickly built a new kernel with every thing the same as the
old
>one except for SLIP was turned on.
>As is my habit I do a "make zdisk" to make a new kernel on a floppy so I can
>boot from that to make sure I didn't break
>anything.
>If I boot from the floppy, diald seems to work ok - If I try to access the
>internet from any machine the modem dials and a PPP session is established.
>The
>problem is that I can't reach the internet from any of the remote machines
>(telnet, ftp, http - all hosed). From the Linux machine everything works
fine.
>I can ping the linux machine from any of the others but I can't ping anything
>on the outside world.
>If I pull out the floppy and boot the old kernel I can start the ppp session
>manually and everything works fine.
>If I do an "ipfwadm -M -l" I get the following output:
>
>IP masquerading entriesprot expire source destination
>portstcp 14:46.32 192.168.0.2 pairoducks.monitor.net 2515
(61020) ->
>telnetudp 04:44.89 192.168.0.2 pairoducks.monitor.net 2514
>(61019) ->
>domain
>
>This is the same with either kernel running (192.168.0.2 is the NT machine
I'm
>trying to start a telnet session on). So, it looks like my packets are being
>forwarded to the ISP but maybe not getting back?? I don't know where to go
>from
>here.
>Is there some kind of software packet sniffer I can use to examine incoming
>and
>outgoing packets?
>Is there a differance between running the kernel from a floppy and running it
>from the harddrive (shouldn't be - I think it all just loads into memory
>right??).
>
>Any ideas anybody??
>
>Thanks,
>
>Jim
>
>
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