options—Set the options parameter by typing
options, a Space, the option name
100rel-interworking with a plus sign in front of it, and then press Enter.
If you type
options
and then the option value for either of these entries
without the plus sign, you will overwrite any previously configured options. In order to append the new option to this configuration’s
options list, you must prepend the new option with a plus sign as shown in the previous example.