Say I set, for example, the default gateway on a Windows
box to 192.168.1.1 where 192.168.1.1 is a Linux server,
on the same LAN, masquerading data to and from the Internet
on it's ppp interface for the internal LAN.
When, from the Windows box, I ping some address on the
Internet, does the Windows box put on and extra IP
header w/ a dest address of 192.168.1.1 on top of
ping packet (IP header + ICMP header) to build a pack
like:
[IP header: dest 192.168.1.1][IP header: dest 202.192.13.2][ICMP header]
so that way the Linux box will pick up the packet, strip
the first IP header, see the second IP header and say
"I should masquerade this packet through my ppp0."
If the Windows box didn't add the second header addressed
to the Linux server, the Linux server wouldn't pick it
up since the dest address in the packet wouldn't be addressed
to it, correct? Or does a box that masquerades pick anything
off the wire?
Thanks,
Daniel
P.S. Thanks to all those who helped me w/ my last problem, too. ;)
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