• Subject: Re: Confusion reigns supreme (TCP/IP)
  • From: Jim Langston <jlangston@xxxxxxxxxxxxxxxx>
  • Date: Thu, 07 Oct 1999 16:22:59 -0700
  • Organization: Conex Global Logistics Services, Inc.

The funny thing was, I could ping my NT boxes, no problem.  I even did an
FTP and it worked.  isn't that strange?  Probably only because they are on the
same wire though and didn't have to go through the router.

Regards,

Jim Langston


Larry Bolhuis wrote:

> Somebody lied.
>
> If you have a subnet of 255.255.255.240 then your address range is x.x.x.112 
>to
> 127.    112 would be the network address (not usable) and 127 is the broadcast
> address.  Your valid addresses then are 113 to 126.
>
> SO to fix it you need an address on your 400 in the range above.  I'll bet 
>with
> the current .139 address you can't even ping the NT server or the router.
>
> The .112 to .140 address range makes NO sense at all.  In fact unless you 
>have an
> entire class 'C' (255.255.255.0 mask) you can't have addresses on both sides 
>of
> .128 in the same subnet!
>
>  HTH - Larry
>
> Jim Langston wrote:
> >
> > First of all, I'm on V3R7M0.
> >
> > I'm trying to set up my AS/400 so that it can "see" the internet.  I
> > already have 2 NT servers talking to the internet with no problem.  I
> > also have my AS/400 talking to my NT servers on a private sub network no
> > problem.
> >
> > I have my AS/400 set up with 192.168.1.61 with a netmask of
> > 255.255.255.0 and the NT servers on the same subnet, and they talk
> > together.
> >
> > Now, I have my NT servers on the internet, IP range of x.x.x.112 to 140,
> > 112 is broadcast, 113 is my router, which leaves me 114 to 139 usable
> > (don't remember what 140 is, but you can never use it either).  They
> > gave us a subnet mask of 255.255.255.240
> >
> > I set up a server with x.x.x.114, set up the default gateway, rebooted,
> > and am on the 'net.
> >
> > I tried the same with my AS/400, I added tcp/ip interface x.x.x.139,
> > subnet mask of 255.255.255.240, started the interface, then tried to add
> > a default route, but was having
> > problem, because my default gateway is x.x.x.127.  The message was that
> > it was outside
> > of my subnet mask.  I tried changing my subnet mask to x.x.x.0 and it
> > worked for
> > communication between my NT server and my AS/400, but when I added the
> > *DFTROUTE
> > it took it, but would not communicate with the internet (I tried PINGing
> > the same internet
> > machine from my NT machine, where it worked, and my AS/400, where it
> > didn't).
> >
> > Is there something I'm missing here?  What is the piece of the puzzle
> > that is different
> > from talking to the internet and talking to "local" machines on the same
> > wire?
> >
> > Regards,
> >
> > A confused Jim Langston
> >
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> --
> Larry Bolhuis         | What do You want to Reload today?
> Arbor Solutions, Inc  | Don't throw your PC out the window,
> (616) 451-2500        |  throw WINDOWS out of your PC.
> (616) 451-2571 -fax   | Two rules to success in life:
> lbolhui@ibm.net       | 1. Never tell people everything you know.
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