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PI09283: IOBSNMP SUBAGENT NOT PROPERLY RESPONDING TO REQUESTS

A fix is available

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APAR status

  • Closed as program error.

Error description

  • A GET request is being made for
    Get request for OID --> 1.3.6.1.4.1.2.6.188.1.1.1.1.9
    
    There isn't a valid OSA interface for this request.
    do_get05: Did not find instance 1.1.9
    
    The DPI packet that was sent contained several MIB objects.
    IOBSNMP did not process the other objects after not finding the
    above instance.
    

Local fix

  • Use the WALK command for the ibmOSAExpChannelNumber MIB object.
    This will provide a list of the valid OSA interfaces.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All users of the Communications Server for                   *
    * z/OS Version 2 Release 1 IP: SNMP OSA                        *
    * subagent IOBSNMP                                             *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * An SNMP Get request for several MIB                          *
    * objects from the ibmOSAExpChannelTable                       *
    * failed with "NULL" values for some of                        *
    * the MIB objects and an error value                           *
    * of "genErr".                                                 *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply PTF.                                                   *
    ****************************************************************
    The SNMP OSA subagent was not processing all the MIB objects in
    an SNMP GET request if it encountered a MIB object instance
    value that did not belong to an OSA-Express interface. Instead,
    the subagent failed the whole request as soon as the error was
    detected.  This resulted in "NULL" values and a value of
    "genErr" being returned for the MIB objects in the request.
    +-------------------------------------------------------------+
    + Please check our Communications Server for OS/390 homepages +
    + for common networking tips and fixes.  The URL for these    +
    + homepages can be found in Informational APAR II11334.       +
    +-------------------------------------------------------------+
    

Problem conclusion

  • The SNMP OSA subagent Get request processing has been changed
    to set an  error value of noSuchInstance if the instance value
    does not belong to an OSA-Express interface. The remaining
    objects in the request will continue to be processed.
    
    * Cross Reference between External and Internal Names
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI09283

  • Reported component name

    TCP/IP V3 MVS

  • Reported component ID

    5655HAL00

  • Reported release

    210

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2014-01-09

  • Closed date

    2014-01-17

  • Last modified date

    2014-04-02

  • APAR is sysrouted FROM one or more of the following:

    PI06391

  • APAR is sysrouted TO one or more of the following:

    UI14312

Modules/Macros

  • IOBSAMP
    

Fix information

  • Fixed component name

    TCP/IP V3 MVS

  • Fixed component ID

    5655HAL00

Applicable component levels

  • R210 PSY UI14312

       UP14/03/13 P F403

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

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Document Information

Modified date:
02 April 2014