This object specifies the Internet address to be used to
select the SXP node ID.
The type of this address is determined by
ctsxSxpOperNodeIdIpAddrType object.
Setting this object to a non-zero length value will clear the
values in ctsxSxpAdminNodeId and ctsxSxpNodeIdInterface.
This object can be set only if ctsxSxpEnable is 'false'.