Stupid Network Problems

[Hershberger, Robert T Mr (CPF N63RTH)]

  Well actually the only thing I'm changing is the gateway settings.  The
IPs for the machines will stay the same.  I chose the IPs initially with
this in mind, knowing that once I got the Linux Machine working I would want
to move it into the gateway position.
  I'm just missing how to get the Linux Box to forward packets and to set up
it's arp table correctly.  Somewhere in the soup of scripts I have missed
one that sets things up some odd way.  I have dropped my firewall leaving
everything open and attempted to 'face the net, also without success, so its
not a firewall problem.  It has to do with how the arp table gets formed,
and I don't know if some script somewhere is forcing some option.  Since I
haven't futzed with the initial setup scripts much I was hoping another Red
Hatter could boot me in the right direction.  
  I also thought that having the original gateway running might be a problem
and shut it down, still no joy.  So I'm back to how things are setup.

TIA

Robert Hershberger
VOC: 808-473-0654
CELL: 808-294-2594
E Secure: hershbrt at cpf.navy.smil.mil
E Unclass: hershbrt at cpf.navy.mil
E Civ: hershberger at bigfoot.com


-----Original Message-----
From: Marcus Patino [mailto:manou69 at hotmail.com]
Sent: Thursday, August 23, 2001 08:20 AM
To: HershbRT at cpf.navy.mil
Subject: Re: [luau] Stupid Network Problems



i only ask this because i did this before and figured it out after a couple 
of days but, i noticed that it looks like you are moving the current win98 
gateway back into the network and then putting up the linux boax to be the 
new gateway - if this is true - you are changing all the ip's (this is what 
I forgot to do) so there are no duplicates???

also, how is everything wired - a hub, coax??? - just some food for thought

M

>From: "Hershberger, Robert T Mr (CPF N63RTH)" <HershbRT at cpf.navy.mil>
>Reply-To: "Linux & Unix Advocates & Users" <luau at list.luau.hi.net>
>To: "Linux & Unix Advocates & Users" <luau at list.luau.hi.net>
>Subject: [luau] Stupid Network Problems
>Date: Thu, 23 Aug 2001 06:15:43 -1000
>
>   Ok Stupid Network Problem.
>
>   My network is as detailed in the attached document.  The top half is its
>present mapping, the lower half is what I want to transition it to.
>Presently I am using a Win9x Box as the Gateway, and connecting to the
>Internet using ppp.  I have everything working fine that way.  But when I
>switch the Linux Machine to act as the gateway I start having problems.  As
>soon as I connect to the net from the Linux machine, nothing works on the
>network, no machine is communicating to any other, nor are packets being
>forwarded to the net.  I have checked that IPV4 is active, i.e. I looked in
>the setup files and apparently it is.  I have to make some gateway and
>router changes but thought I was doing it right.  But apparently no.
>   When ppp is running and I do a netstat command, the Linux machine shows
>ppp as UH with the near and far side IPs (resolved by my ISP using DHCP) in
>the correct locations (sorry I don't include the output of netstat, I'm not
>at home at present, and didn't think to get a copy before coming in, so I
>have to describe what I got).  The local network is shown UG with the Linux
>Box IP (static 192.x.x.1) as the Gateway.  There are no gateway settings 
>for
>ppp, or the near or far side DHCP IPs, further the internet is shown as on
>the far side of the gateway (i.e. destinations of 0.0.0.0 are routed to
>192.x.x.1).
>   So does anyone have RH 7.0 playing and can you detail the scripts I need
>to check to make the necessary changes, since some where among the soup of
>scripts I'm missing something when I switch the gateway settings.  I will
>attempt to connect the Linux box to the internet this evening (once I get
>home from work) and will post my trouble shooting results then, with what
>ever mods the LGs (that's ah, Linux Gurus) think appropriate, both a before
>and after effect if you will.  TIA
>
>
>Robert Hershberger
>VOC: 808-473-0654
>CELL: 808-294-2594
>E Secure: hershbrt at cpf.navy.smil.mil
>E Unclass: hershbrt at cpf.navy.mil
>E Civ: hershberger at bigfoot.com
>  <<map.gif>>
><< map.gif >>
>---
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