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Technical Support Information
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Technical Document
Document Number: 26011157
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Functional Area: Communications-SNA
SubFunctional Area: AS/400-to-AS/400 SNA Applications
SubSubFunctional Area: SNADS
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Product: OS400 COMM BASE/APPN (5722SS1CM)
Release: V5R1M0; V5R2M0
Classification: Public Use
Keywords: COM, COMM, CONFIG, SNADS
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Document Title:Multiple SNADS Configurations between Two Systems
Document Description:
It is possible to configure more than one SNADS connection between two
AS/400 or iSeries systems.
A second SNADS connection can be configured between two systems provided
the following configurations are done:
1 Create a Secondary System Name Table entry on both systems as an
alias system name. Use the Add Distribution Secondary System Name (
ADDDSTSYSN) command or the CFGDSTSRV OPTION(3) command.
For example, if the current system names are AS400A and AS400B,
alternate system names might be SYSA and SYSB, respectively.
2 Create an alternate APPC connection between the systems by creating
alternate APPC controller and device descriptions on both systems.
a If using an APPN(*NO) configuration, ensure the device
descriptions (CRTDEVAPPC) are defined with alternate Remote Location
Name (RMTLOCNAME) and Local Location Name (LCLLOCNAME). It is
easier to match these location names to the Secondary System Name
Table entries (added in Step 1).
b If using an APPN(*YES) configuration, follow the instructions in
Step 2a. Then, do the following:
1) Add an APPN Local Configuration List entry on both systems,
using the following command:
ADDCFGLE TYPE(*APPNLCL) APPNLCLE((SYSA))
2) Add an APPN Remote Configuration List entry on both systems,
using the following command:
ADDCFGLE TYPE(*APPNRMT) APPNRMTE((SYSB APPN SYSA AS400B APPN))
Note: SYSA is used in this example as an alternate location name
for AS400A. This example also assumes the Local Network ID and
Local Control Point on the target system (AS400B) are APPN and
AS400B, respectively.
3 Create an alternate SNADS Distribution Queue on both systems, using
the location names defined in Step 2A or 2B. Use one of the
following commands:
ADDDSTQ DSTQ(SYSBQ) RMTLOCNAME(SYSB) +
DSTQTYPE(*SNADS) LCLLOCNAME(SYSA)
CFGDSTSRV OPTION(1).
Note: Again, this example is used on AS400A, using the alternate
location names used in the examples above.
4 Create an alternate Routing Table Entry on both systems, using the
Secondary System Name Table entry (created in Step 1) and the
Distribution Queue Name (created in Step 3). Use one of the
following commands:
ADDDSTRTE SYSNAME(SYSB) FAST(SYSBQ) STATUS(SYSBQ) +
DATAHIGH(SYSBQ) DATALOW(SYSBQ)
CFGDSTSRV OPTION(2).
Note: This example is for AS400A, using the Secondary System Name
Table entry and Distribution Queue name used in the examples above.
5 Create an alternate User Profile (CRTUSRPRF) on each system. SNADS
allows each User Profile to be locally enrolled only one time in the
directory entries (for example, CRTUSRPRF USRPRF(USER2)).
6 Create a Local Directory Entry on each system, to identify with (and
enroll) the new User Profile created in Step 5. It is advisable to
use a user ID that matches the User Profile and an Address that
matches the Secondary System Name Table entry, although,
technically, matching these values is not required. For example,
use the following command:
ADDDIRE USRID(USER2 SYSA) USER(USER2) SYSNAME(SYSA)
7 To identify with the new route (created in Step 4) out of the
system, create a Remote Directory Entry on each system. For
example, use the following command:
ADDDIRE USRID(*ANY SYSB) SYSNAME(SYSB).
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