# Foreign Agent Advertisement Group

The dialog box displays the following information:

FA Busy (faIsBusy)

Registration Required (faRegistrationRequired)

### FA Busy (faIsBusy)

Indicates whether the foreign agent is busy to accept additional registrations.

Possible values are:

true (1) | The agent is busy. Any agent advertisements send from this agent should have the 'B' bit set to 1.
false (2) | The agent is not busy.

### Registration Required(faRegistrationRequired)

Indicates whether the foreign agent requires registration even from the mobile nodes that have acquired their own colocated care-of-address.

Possible values are:

true (1) | Registration is required and any agent advertisement send from this agent should have the 'R' bit set to 1.
false (2) | Registration is not required.