RE: Map APPC LU name to an internet address

[michaelr_41@xxxxxxxxxxxxxx]

Yes..it just looks at DNS first (in that case) and then at the hosts
file.

On Wed, 25 Aug 2004 10:37:23 -0500, "Simpson, Doug"
<dsimpson@xxxxxxxxxxxxxxxx> said:
> 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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