IJ35577: ETHERCHANNEL FAILURE WITH CAA AND LACP APPLIES TO AIX 7100-05 21/12/10 PTF PECHANGE

APAR status

• Closed as program error.

Error description

• **************************************************************
  * USERS AFFECTED:
  * Systems running the AIX 7100-05 Technology Level
  * with any of the following filesets at or
  * between the given levels:
  * MIN          MAX          FILESET
  * 7.1.5.37     7.1.5.37     bos.cluster.rte
    **************************************************************
  * ERROR DESCRIPTION:
  * Environments that use CAA, including PowerHA and VIOS Shared
  * Storage Pools (SSP), with Etherchannel adapters configured to
  * use Link Aggregation Control Protocol (LACP), can experience
  * network outages.
    **************************************************************
  * RECOMMENDATION:
  * Install APAR IJ35577.
  * Prior to fix availability, an interim fix is available from
  * either
  * ftp://aix.software.ibm.com/aix/ifixes/ij35577/
  * https://aix.software.ibm.com/aix/ifixes/ij35577/
  * Installation of the ifix requires a reboot.
    **************************************************************
  .
  PROBLEM_SUMMARY
    **************************************************************
  * USERS AFFECTED:
  * Systems running the AIX 7100-05 Technology Level
  * with any of the following filesets at or
  * between the given levels:
  * MIN          MAX          FILESET
  * 7.1.5.37     7.1.5.37     bos.cluster.rte
    **************************************************************
  * ERROR DESCRIPTION:
  * Environments that use CAA, including PowerHA and VIOS Shared
  * Storage Pools (SSP), with Etherchannel adapters configured to
  * use Link Aggregation Control Protocol (LACP), can experience
  * network outages.
    **************************************************************
  * RECOMMENDATION:
  * Install APAR IJ35577.
  * Prior to fix availability, an interim fix is available from
  * either
  * ftp://aix.software.ibm.com/aix/ifixes/ij35577/
  * https://aix.software.ibm.com/aix/ifixes/ij35577/
  * Installation of the ifix requires a reboot.
    **************************************************************
  

Local fix

Problem summary

•   **************************************************************
  * USERS AFFECTED:
  * Systems running the AIX 7100-05 Technology Level
  * with any of the following filesets at or
  * between the given levels:
  * MIN          MAX          FILESET
  * 7.1.5.37     7.1.5.37     bos.cluster.rte
    **************************************************************
  * ERROR DESCRIPTION:
  * Environments that use CAA, including PowerHA and VIOS Shared
  * Storage Pools (SSP), with Etherchannel adapters configured to
  * use Link Aggregation Control Protocol (LACP), can experience
  * network outages.
    **************************************************************
  * RECOMMENDATION:
  * Install APAR IJ35577.
  * Prior to fix availability, an interim fix is available from
  * either
  * ftp://aix.software.ibm.com/aix/ifixes/ij35577/
  * https://aix.software.ibm.com/aix/ifixes/ij35577/
  * Installation of the ifix requires a reboot.
    **************************************************************
  

Problem conclusion

• Add the logic to handle LACP packets
  

Temporary fix

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

Comments

• 7100-05 - use AIX APAR IJ35577
  7200-05 - use AIX APAR IJ35588
  

APAR Information

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

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

  IJ35588 IJ35659 IJ35685 IJ36140

Fix information

• Fixed component name

  AIX V7.1

• Fixed component ID

  5765H4000

Applicable component levels

• R710 PSY U888989

     UP21/12/02 I 1000 Ž