Greetings all, I am a newbie to Linux and an even newbier to the group:

I am setting up a linux box to act as a gateway to the
internet for a private LAN (nothing new here).  But, I
am having problems getting it to work and don't know
where to go next.  My most recent problem:

I can't get the LAN computers to ping anything beyond
the linux box.

Current status:
o  Linux box has a local IP address on the LAN.
o  Linux box successfully connects to Internet via
     dial-up using pppd. 
     (has an IP dynamically assigned, ISP has static)
o  LAN box can ping Linux.
o  LAN can ping Linux IP from ISP.
o  Linux can ping world.

What's been done (I've been using RedHat Linux Secrets 2nd Edition for
most of this, HOWTOs for the rest):
  On the Linux box:
-  IP forwarding and masquerading have been turned ON 
     via make config. (i have maybe 85-90% confidence 
     that this portion was done correctly)
-  route add default gw "ISP's address"
-  ipfwadm to setup forwarding for my LAN
-  /etc/hosts.allow setup for my LAN

  On the LAN side:
-  Set the Linux box's local IP address as the Gateway.

Acording to all the documentation that I've found so far, it seems
like things should be working.  I am at a lost and getting frustrated.

thanks for any and all help
tony so aka. linux newbie
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