Behavior when the BootP table is empty

What is the behavior of a cFP-2220, if it is configured to use DHCP and it gets a contact with a BOOTP server, which happens to have a cleared BOOTP table? Always starts the RT app (stop over TCP is set to False) and function normally, but with a link-local address?

Is there a difference between having online with a DHCP server and using a BOOTP server?

We have a case where one such controller seems to freeze upwards, the status LED starts flashing 4 times in a row. We cannot recreate it with a DHCP server.

(This particular case is a bit special because it also involves an application that will try to reconfigure the controller to static (using the System Configuration API 5.0) IP if it does not get a valid IP address in the DHCP boot AND it has a valid IP address of a previous start saved in an INI file, and it is difficult to say exactly when the accident occurred... But there is a difference in the startup behavior to predict?)

FYI - this issue is now explained and fixed in part in another thread here on the forum:

http://forums.NI.com/T5/FieldPoint-family/problematic-fallback-to-link-local-how-to-avoid/TD-p/19155...

Tags: NI Hardware

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