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IV57078: IPREPORT SHOWS BAD PACKETS WITH TCP_FASTLO=1 APPLIES TO AIX 7100-02

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APAR status

  • Closed as program error.

Error description

  • Enabling tcp_fastlo will show tcp/ip packets with a wrong
packet lenght in iptrace/ipreport.
These tcp_fastlo packets will have a fake TCP/IP header
anyway, but due to ip_len=40 we can't see any payload
bytes
with ipreport.

Local fix

  • 



Problem summary


    

  • When fastlo is enabled, iptrace is unable to capture
packet pay load

    



Problem conclusion


    

  • Correct the code to capture packet pay load when fastlo enabled

    



Temporary fix


    

  • 



Comments


    

  • 6100-07 - use AIX APAR IV58280
6100-08 - use AIX APAR IV57911
6100-09 - use AIX APAR IV51908
6100-09 - use AIX APAR IV51908
6100-09 - use AIX APAR IV51908
7100-01 - use AIX APAR IV45396
7100-02 - use AIX APAR IV57078
7100-03 - use AIX APAR IV51604

    



APAR Information




    

  • APAR number
    IV57078
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-03-20
    • 

  • Closed date
    2014-03-20
    • 

  • Last modified date
    2014-08-14
    • 





    

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

    
IV45396
    

    • 

  • 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  U862301
       UP14/08/12  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            14 August 2014
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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