From the Solaris man page:
Quote:
plumb Open the device associated with the physical interface
name and set up the streams needed for IP to use the
device. When used with a logical interface name, this
command is used to create a specific named logical
interface. An interface must be separately plumbed for
use by IPv4 and IPv6. The address_family parameter
controls whether the ifconfig command applies to IPv4
or IPv6.
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Quote:
unplumb
Close the device associated with this physical inter-
face name and any streams that ifconfig set up for IP
to use the device. When used with a logical interface
name, the logical interface is removed from the sys-
tem. After this command is executed, the device name
will no longer appear in the output of ifconfig -a.
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The same would hold true for HP-UX as well (allowing for differences in implementation, and such).
