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IV59108: UNICAST MODE TCPSOCK CONNECTIONS BOUNCING UP/DOWN APPLIES TO AIX 7100-03

A fix is available

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APAR status

  • Closed as program error.

Error description

  • When running in a Unicast cluster with multiple interfaces,
    the tcpsock interfaces can bounce between each interface.
    Can be observed in the AHAFS events.
    
    It brings UP one interface then later takes it DOWN
    and brings up another interface. It does this over and over.
    Depending on when, it can cause missed packets.
    

Local fix

Problem summary

  • When running in a Unicast cluster with multiple interfaces,
    the tcpsock interfaces can bounce between each interface.
    Can be observed in the AHAFS events.
    
    It brings UP one interface then later takes it DOWN
    and brings up another interface. It does this over and over.
    Depending on when, it can cause missed packets.
    

Problem conclusion

  • If an interface is the only active one, do not restrict it.
    

Temporary fix

Comments

  • 6100-09 - use AIX APAR IV59043
    6100-09 - use AIX APAR IV59043
    6100-09 - use AIX APAR IV59043
    7100-03 - use AIX APAR IV59108
    7100-04 - use AIX APAR IV59077
    

APAR Information

  • APAR number

    IV59108

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-04-10

  • Closed date

    2014-04-10

  • Last modified date

    2016-05-10

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

    IV59043

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

    002PC0Ÿ

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U859720

       UP14/05/22 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV59108

Modified date: 10 May 2016