Refer to the exhibit which command can be issued on R9 so that R12 receives all the external and internal routes?
A. Redistribute ospf 1 match internal external 1 external 2
B. Redistribute ospf 1 internal external 1 external 2
C. Redistribute ospf 1 internal nssa-external 1 nssa-external 2
D. Redistribute ospf 1 match nssa-external 1 nssa-external 2
