RE: Map APPC LU name to an internet address -- MIDRANGE-L

Is there an order for the as400 to look up host info like an Microsoft OS?
Meaning if I have the as400 set to "*remote" under "CFGTCP" option 12, will
it look in its "host" file too?
Thanks for the info so far,
Doug 

-----Original Message-----
From: Vern Hamberg [mailto:vhamberg@xxxxxxxxxxxxxxxxxxxxxxxxx] 
Sent: Wednesday, August 25, 2004 8:13 AM
To: Midrange Systems Technical Discussion
Subject: Re: Map APPC LU name to an internet address

In this example you would end up with

RALYAS4B.USIBMRA.SNA.IBM.COM

So, in option 10 of CFGTCP, you would add that URL to the IP address of your
machine. As someone else said, the first 2 items can be found with DSPNETA.
of the machine to which you will connect. Use local location and local net
ID. You also need an entry for the machine you are on. The first element is
usually the name of your iSereis, the second element is APPN by default.

I would use the hosts entry first, to see that it works. Then take it out of
the hosts table and put it into a DNS and see what happens. If it works,
cool! If not, go back to the hosts table - have not heard whether SNA looks
at the actual HOSTS file (it's actually QATOCHOSTS or something) or uses
name resolution.

Now, using the hosts table for this is different, in my view, than the usual
use of hosts tables. The purpose of these very specific URLs is a mapping
for AnyNet only. It may be that you do not want everyone in the enterprise
to have access through DNS to these IP addresses. And you may want to limit
the machines which can be connected with AnyNet - a DNS would make everyone
known, I tihnk, unless there is some filtering possible.

HTH
Vern

At 10:20 PM 8/24/2004, you wrote:
>Once again pardon my ignorance of the as400.
>I am trying to configure AnyNet/400 APPC over TCP/IP.  And step 5 is 
>"Map APPC LU name to an internet address".  The details include adding 
>entries to the host file.  First off I do not like hosts files and have 
>a dns and have the as400 pointing to the dns.  (1st question) Do I need to
do this step?
>Especially if I have the dns server.
>(2nd question) the following is what the "howto" has for info and what 
>I need in the host file
>
>* RALYAS4B - remote SNA location (LU) name
>* USIBMRA - remote SNA network ID
>* SNA.IBM.COM - SNA Domain Name Suffix
>
>I understand the first line as the as400's hostname.  Ours is something 
>like "s10xxxxx".  However the "SNA network ID" is throwing me for a 
>loop.  Where would I find that info?  Then the "SNA domain name suffix" 
>- where is that found or configured?  Or this just an example like the 
>rest and it could just be "foo.bar"?
>
>Thanks for the help,
>Doug
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