Tim,

I know my posts tend to be rather long, particularly so when I need to guess
many possibilities from sparse input.

However, if you read them fully you'll see that on both my responses to this
query I managed to find an excuse to mention Enterprise Extender.

We all await clarifications from Thomas.

Meantime perhaps someone can quote chapter and verse regarding the level of
AS/400 operating system which begins support for Enterprise Extender since I
believe I have seen mention of such support only relatively recently.

Never mind - it's a challenge - and I came up with the following from
(
http://www-1.ibm.com/support/docview.wss?uid=nas1ed75fbb6841d9f718625710a004963a3&rs=110
 )

<quote>

Configuring EE (Enterprise Extender) between Two IBM System iT Systems
 Technote

This is a sample configuration for EE (Enterprise Extender) between two IBM
System i5T systems at R540 or above.

SYSTEM A and SYSTEM B

Step 1: Ensure "Allow HPR Transport Tower Support" (ALWHPRTWR) is enabled in
Network Attributes.

a To view the parameter: DSPNETA
b To change the value: CHGNETA ALWHPRTWR(*YES)

Step 2: Display the Network Attributes ( DSPNETA ) of each system and gather
the following information.

a Local Network ID (LCLNETID)
b Local Control Point Name (LCLCPNAME)

Step 3: Get the IP addresses for each system.

Use CFGTCP, Option 1 to view the local interfaces and select the IP
addresses you wish to use for this connection.

Step 4: Create the APPC controller ( CRTCTLAPPC ).



SYSTEM A  SYSTEM B
Local IP Interface Address = 1.1.1.1  Local IP Interface Address = 1.1.1.2
Local Network ID = APPN  Local Network ID = APPN
Local Control Point Name = SYSTEMA  Local Control Point Name = SYSTEMB

CRTCTLAPPC  CRTCTLAPPC
LINKTYPE = *HPRIP  LINKTYPE = *HPRIP
RMTINTNETA = 1.1.1.2  RMTINTNETA = 1.1.1.1
LCLINTNETA = 1.1.1.1  LCLINTNETA = 1.1.1.2
RMTNETID = APPN  RMTNETID = APPN
RMTCPNAME = SYSTEMB  RMTCPNAME = SYSTEMA

Note: At the time of this writing, a value must be specified in the
LCLINTNETA other than *SYS. A virtual APPN controller is created called
QAPENDxxxx, and this is where the APPC device is attached. The original APPC
controller that is created above will be at a Varied On state and that is
normal.

Step 5: The configuration object

QAPENDxxxx controller status of ACTIVE
APPC device status of ACTIVE

Original APPC controller status of VARIED ON.

Caution: When using Enterprise Extender across a network that traverses
firewalls, ensure UDP ports 12000-12004 are open to successfully establish a
connection.

</quote>

... and it even includes your warning!

Chris Mason

----- Original Message ----- 
From: "Tim Hare" <[EMAIL PROTECTED]>
Newsgroups: bit.listserv.ibm-main
To: <[email protected]>
Sent: Thursday, 20 April, 2006 9:24 PM
Subject: Re: Need Help defining an AS400 with an IP address to the mainframe


> I think everyone so far is overlooking a possibility:  that this new
> AS/400 is configured to support Enterprise Extender.  In that case, the IP
> address is sufficient to connect to it, as long as you have EE running in
> your Communication Server.  You will also need to make sure that UDP ports
> 12000-12004 (yes those are five digit numbers) are open in any firewalls
> between the AS/400 and your box.
>
> Tim Hare
> Senior Systems Programmer
> Florida Department of Transportation
> (850) 414-4209

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