这个O*N2是什么意思？？

ァE-ven

QUESTION 328
Refer to the exhibit. On the basis of the information presented, which statement is true?
RTA#show ip route ospf
O IA 6.0.0.0/8 {110/65] via 5.0.0.2, 00:00:18 Serial2/1/0
O*N2 0.0.0.0/0 [110/1] via 5.0.0.2, 00:00:18 Serial2/1/0
A. A default route is configured on the local router.
B. Network 6.0.0.0/8 was learned from an OSPF neighbor within the area.
C. OSPF router 5.0.0.2 is an ABR.
D. The default route is learned from an OSPF neighbor.
Answer: B
Section: (none)

lzx911102

7类的默认路由...是NSSA的ASBR下放的...

shijianfeng

dengzuxue