IBM Support

IV20184: SNMP HELPER(NCP_DH_SNMP) DOES NOT PROCESS OTHER GENERIC COMMUNITY STRINGS WHEN PREVIOUSLY SUCCEEDED ONE FAILS

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APAR status

  • Closed as program error.

Error description

  • v3.8.0.75 (FP6) - platform independent
    
    Snmp helper fails to try other community strings when previously
    succeeded string fails - resulting the device in 'NOSNMPAcecess'
    and/or duplicate nodes if EntityName doesn't match.
    
    Steps to replicate:
    1) Set comm trings as 'public' and 'xyz' under
    SnmpStackSecurityInfo.cfg
    2) Enable a Device to have comm string as 'public'
    3) Start the domain and kick off discovery - verify string under
    ncmonitor.snmpTarget being listed as 'public'
    4) Change comm string on Device to 'xyz' and restart snmp deamon
    on the device. Verify the device is responding to only to 'xyz'.
    5) Kick off another full disovery ( don't stop or do HUP on
    ncp_dh_snmp)
    The result of new discovery in step '5' results in 'NOSNMP'
    6) Do either HUP or restart ncp_dh_snmp - and then kick off full
    discovery - this will cause snmp helper to try second password
    if 'public' fails.
    

Local fix

  • restart snmp helper upon completion of every discovery.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * 3.8, 3.9 all platforms                                       *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * SNMP HELPER(NCP_DH_SNMP) DOES NOT PROCESS OTHER GENERIC      *
    * COMMUNITY STRINGS WHEN PREVIOUSLY SUCCEEDED ONE FAILS        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * hup the helper process or restart it to force the helper to  *
    * make it re-read the SNMP configuration                       *
    ****************************************************************
    

Problem conclusion

  • | fix pack | 3.8.0-ITNMIP-FP0007
    | fix pack | 3.9.0-ITNMIP-FP0003
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV20184

  • Reported component name

    NC/PREC DISCOVY

  • Reported component ID

    5724O52DS

  • Reported release

    380

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-04-25

  • Closed date

    2012-05-09

  • Last modified date

    2012-05-09

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

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

Fix information

  • Fixed component name

    NC/PREC DISCOVY

  • Fixed component ID

    5724O52DS

Applicable component levels

  • R380 PSY

       UP

  • R390 PSY

       UP

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Document Information

Modified date:
09 May 2012