IBM Support

IV61110: NTP UNABLE TO SYNC,WHEN SERVER NAME & "RESTRICT" ON LOOPBACK IP APPLIES TO AIX 7100-04

A fix is available

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • When NTP configured with server name and restrict flag (
    noquery , nomodify ) on loop back IP as below . Then NTP
    fail to sync with server.
    
    Ex : vi /etc/ntp.conf
    
    restrict default noquery nomodify
    restrict 127.0.0.1 noquery
    server <servername instead of IP >
    

Local fix

  • No Local Fix available.
    

Problem summary

  • xntpd fails to synchronize with the server if restrict
    flag is used on loopback ip with noquery and server hostname
    is used instead of ip address.
    

Problem conclusion

  • Have fixed the xntpd code so that now it does not fork a
    child process to resolve the server hostname.
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV60347
    6100-09 - use AIX APAR IV61123
    6100-09 - use AIX APAR IV61123
    7100-02 - use AIX APAR IV61931
    7100-03 - use AIX APAR IV61115
    7100-04 - use AIX APAR IV61110
    

APAR Information

  • APAR number

    IV61110

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-06-02

  • Closed date

    2014-06-02

  • Last modified date

    2016-05-11

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

    IV60347

  • 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 U861571

       UP15/11/22 I 1000

PTF to Fileset Mapping

[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11R","label":"AIX 7.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
11 May 2016