RSR 作为OSPF选择域的边界,需要向OSPF域中注入默认,以实现下游设备能够正确地转发去往internet的数据包。在下列操作中,能够在RPR上实现默认注入的有()
A.
ip route 0.0.0.0 0.0.0.0 gi 0/2 router ospf network 172.16.0.0 0.0.0.7 area 0 default-information originate
B.
ip route 0.0.0.0 0.0.0.0 gi 0/2 router ospf network 172.16.0.0 0.0.0.3 area 0 network 172.16.0.4 0.0.0.3 area 0 redistribute static subnets
C.
ip route 0.0.0.0 0.0.0.0 gi 0/2 router ospf network 172.16.0.0 0.0.0.7 area 0 default information-originate
D.
ip route 0.0.0.0 0.0.0.0 gi 0/2 router ospf network 172.16.0.0 0.0.0.3 area 0 network 172.16.0.4 0.0.0.3 area 0 redistribute static metric-type 1