automatically disable X ? ? ?
anti-spoofing
-use 255.255.255.255 as broadcast X ? ! !
+use 255.255.255.255 as broadcast X ? X !
address on a single interface
-use 255.255.255.255 as broadcast X ? ! !
+use 255.255.255.255 as broadcast X ? X !
address on multiple interfaces
-use the same subnet broadcast X - - -
+use the same subnet broadcast X - X -
address on multiple interfaces
initially delete default routes X ! ! !