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Activation of VSE VTAM switched major node for OSA-Express in non-QDIO mode fails
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| | | Problem(Abstract) | A problem occurred during implementation of a PU5 to PU5 APPN connection cross network between a VSE VTAM configured as a BN and ICN, running with the InterEnterprise VTAM function set, and a z/OS Communications Server VTAM.
On the VSE VTAM host, a VARY ACT command for the switched major node failed, as shown below:
v net,id=switched_major_node,scope=all,act
AR 0015 1C39I COMMAND PASSED TO ACF/VTAM
F3 0003 IST097I VARY ACCEPTED
F3 0003 IST363I CONFIG switched_major_node NODES AND SUBNODES SET UNAVAILABLE - MISSING PARAMETER
F3 0003 IST323I LABEL = pu_label -MACRO TYPE = PU - KEYWORD = ADDR
F3 0003 IST142I CONFIG switched_major_node BYPASSED-PATH MACRO ERROR, REASON CODE 2
F3 0003 IST1264I VARY ACT FOR switched_major_node FAILED DURING DEFINITION
| | | | Symptom | The switched major node was coded as follows:
VBUILD TYPE=SWNET
PU4 PU PUTYPE=2,
CPNAME=control_point_name,
NN=YES,
NETID=network_id,
CPCP=YES,
CONNTYPE=APPN,
DYNLU=YES,
DWACT=YES,
TGP=ETHERNET,
MAXOUT=7,
DISCNT=NO,
ISTATUS=ACTIVE
PATH DIALNO=dial_digits,GRPNM=group_name
| | | |  | | | Diagnosing the problem |
The switched major node activated here was originally defined on an MVS VTAM node used for Enterprise Extender (EE) connections.
1) F3 0003 IST363I CONFIG switched_major_node NODES AND SUBNODES SET UNAVAILABLE - MISSING PARAMETER
F3 0003 IST323I LABEL = pu_label - MACRO TYPE = PU - KEYWORD = ADDR
In MVS, the ADDR keyword is not valid for a switched major node PU statement when defining EE connections. But, for non-EE XCA connections, whether they be MVS or VSE, the ADDR keyword is required, which is why these two error messages were issued. ADDR must be set to a link station address, as specified in the VTAM V4R2 Resource Definition Reference (SC31-6498-01).
2) F3 0003 IST142I CONFIG switched_major_node BYPASSED - PATH MACRO ERROR, REASON CODE 2
Reason code 2 in message IST142I indicates that the "MAXPATH value on preceding PU definition is zero or is default (the default value is zero)." To process the PATH statement, there must already be a path table in existence, and that path table is allocated when the MAXPATH parameter on the preceding PU statement is processed. Therefore, MAXPATH is a required parameter on the PU definition, and must be coded with a value greater than 0, because 0 indicates that a path table is not to be created.
The MAXPATH parameter has been obsolete for MVS VTAM since MVS VTAM V4R4, which introduced switched dynamics. However, for VSE VTAM, MAXPATH on the PU statement is still valid and required. For information regarding how to code MAXPATH on the PU statement, see the VTAM V4R2 Resource Definition Reference (SC31-6498-01).
| | | | | Resolving the problem | | Code the ADDR and MAXPATH parameters on the PU statement. Activation of the switched major node should proceed without a problem. | | | | | | | | |
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| Product categories: |
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| | Software | |
| | Networking | |
| | Enterprise Connectivity | |
| | VTAM for VSE/ESA and VM/ESA | |
| | All | |
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| Operating system(s): |
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VSE/ESA
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| Software version: |
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4.2
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| Reference #: |
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1299539
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| IBM Group: |
| | Software Group |
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| Modified date: |
| | 2009-08-14 |
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