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Product: NetBackup System Administrator's Help  

FORCE_IPADDR_LOOKUP

Specifies whether NetBackup will perform an IP address lookup to determine if two host name strings are indeed the same host.

This option is found in /usr/openv/java/nbj.conf on NetBackup servers in the following format:


   FORCE_IPADDR_LOOKUP = [ 0 | 1 ]

Where:

0 = Indicates do not perform an IP address lookup to determine if two host name strings are indeed the same host. They will be considered the same host if the host name strings compare equally or a short name compares equally to the short name of a partially or fully qualified host name.

1 = Indicates to perform an IP address lookup if the two host name strings do not match to determine if the same host (default). The default is to perform an IP address lookup if necessary to resolve the comparison. The IP address lookup will not be performed if the host name strings compare equally.


Note   Note    Use a value of 1 for this option if you have the same host name in two different domains. For example, eagle.abc.xyz and eagle.def.xyz or using host name aliases.

There are many places in the NetBackup Administration Console where comparisons of host names is done to determine if the two are indeed the same host. When using the File > Change Server command, for example.

The IP address lookup can be time consuming and result in slower response time. However, it is important to be accurate with the comparisons.

No IP address lookup will likely be necessary if you are always consistent in the way you specify the host name in the NetBackup Administration Console login dialog and it matches how the host names are configured in NetBackup (how it appears in the bp.conf file).

Using host names, eagle and hawk, the following describes how this option works:

  • FORCE_IPADDR_LOOKUP = 0
  • Comparisons of the following will result in no IP address lookup and the hosts will be considered the same host:
      eagle and eagle
      eagle.abc.def and eagle.abc.def
      eagle.abc and eagle.abc.def
      eagle and eagle.abc.def
      eagle and eagle.anything
      The hosts will be considered different for any comparisons of short, partially or fully qualified host names of eagle and hawk regardless of aliasing.
  • FORCE_IPADDR_LOOKUP = 1
  • Comparisons of the following will result in no IP address lookup and the hosts will be considered the same host.
      eagle and eagle
      eagle.abc and eagle.abc
      eagle.abc.def and eagle.abc.def
      However, in addition to all comparisons of eagle and hawk, the following will result in an IP address lookup to determine if the hosts are indeed the same host.
      eagle.abc and eagle.abc.def
      eagle and eagle.abc.def
      eagle and eagle.anything
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Product: NetBackup System Administrator's Help  
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