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IV35888: UDP MULTICAST: SHORT PACKET FOR SOME LISTENERS. APPLIES TO AIX 6100-08

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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 6100-08 Technology Level with
* bos.net.tcp.client at 6.1.8.0 through 6.1.8.2 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 IV35888.
* Prior to fix availability, an interim fix is available from
* ftp://public.dhe.ibm.com/aix/ifixes/iv35888/
****************************************************************

    



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
    IV35888
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • 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 610 STD EDI
    • 

  • Fixed component ID
    5765G6200
    • 



Applicable component levels


    

  • R610  PSY  U855283
       UP13/11/21  I  1000  ®
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            26 November 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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