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IV35893: UDP MULTICAST: SHORT PACKET FOR SOME LISTENERS. APPLIES TO AIX 7100-02

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Certain listeners in a mulitcast group may receive a short
    packet.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7100-02 Technology Level with
    * bos.net.tcp.client at 7.1.2.0 through 7.1.2.2 level.
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * When there are multiple listeners for the same multicast
    * address, (multicast) packets delivered to the 2nd and
    * subsequent listeners are truncated (28 bytes).
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV35893.
    * Prior to fix availability, an interim fix is available from
    * ftp://public.dhe.ibm.com/aix/ifixes/iv35893/
    ****************************************************************
    

Problem conclusion

  • Alter logic so that packet lengths are adjusted only once.
    

Temporary fix

  • *********
    * HIPER *
    *********
    

Comments

  • 6100-08 - use AIX APAR IV35888
    7100-02 - use AIX APAR IV35893
    

APAR Information

  • APAR number

    IV35893

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    YesHIPER

  • Submitted date

    2013-01-25

  • Closed date

    2013-01-25

  • Last modified date

    2013-11-26

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

    IV33047

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

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U852704

       UP13/02/18 I 1000 ®

PTF to Fileset Mapping

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Document Information

Modified date:
26 November 2013