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Posted to issues@commons.apache.org by "Sebb (JIRA)" <ji...@apache.org> on 2010/11/09 03:28:10 UTC

[jira] Updated: (NET-262) SubnetUtils does not handle /31 and /32 CIDRs well

     [ https://issues.apache.org/jira/browse/NET-262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebb updated NET-262:
---------------------

    Fix Version/s:     (was: 3.0)
                   2.2

> SubnetUtils does not handle /31 and /32 CIDRs well
> --------------------------------------------------
>
>                 Key: NET-262
>                 URL: https://issues.apache.org/jira/browse/NET-262
>             Project: Commons Net
>          Issue Type: Bug
>    Affects Versions: 2.0
>            Reporter: Sebb
>            Priority: Minor
>             Fix For: 2.2
>
>
> SubnetUtils does not handle /31 and /32 CIDRs well.
> This should be documented and/or fixed.
> 192.168.0.1/32 causes an IllegalArgumentException to be thrown (by the way, that should show the upper and lower bounds)
> 192.168.0.3/31 gives 
> addressCount=0, 
> low =192.168.0.3 
> high=192.168.0.2
> and 192.168.0.3 is rejected as not in range

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