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In Solaris 10 I can configure (and audit) the arp_cleanup_interval variable using the following command:

$ ndd -get /dev/arp arp_cleanup_interval

In Solaris 11 (Express and Release) the same command returns an "Unknown property" error:

$ ndd -get /dev/arp arp_cleanup_interval
operation failed: Unknown property

Does anyone know if this variable has changed, or been removed from Solaris 11?

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up vote 6 down vote accepted

Yes, they were removed, by the IP Datapath Refactoring project described in this mail thread from the architecture review.

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Try using the command:

 ndd /dev/arp \?

to get a list of all the parameters that are supported. BTW, this information is contained in the man page for ndd.

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