This object specifies the protocol to use
to get the configuration files if they
are stored across the network. Note, this
applies only if the value of
a3sysUblConfigFileDevice is network(3) or
bootDevice(1). If a3sysUblConfigFileDevice
has the value bootDevice(1), then the
corresponding instance of a3sysUblDevice
must be network(2) for this object to have relevance.
This object has been changed to read-only in
9.0. The only valid value for this object is
ftp(2).