某企业全网使用了锐捷的设备,网络拓扑图如下。L3SW1 和 L3SW2 为内网核心设备, RSR 为出口路由器,
A.access-list 1 permit 192.168.0.0 0.0.255.255 ip nat inside source list 1 interface gigabitEthernet 0/2 overload interface gigabitEthernet 0/0 ip nat inside interface gigabitEthernet 0/1 ip nat inside interface gigabitEthernet 0/2 ip nat outside ip route 0.0.0.0 0.0.0.0 218.202.120.53
B.access-list 1 permit 192.168.0.0 0.0.255.255 ip nat inside source list 1 interface gigabitEthernet 0/2 overload interface gigabitEthernet 0/0 ip nat inside interface gigabitEthernet 0/1 ip nat inside interface gigabitEthernet 0/2 ip nat outside ip route 0.0.0.0 0.0.0.0 218.202.120.254
C.access-list 1 permit 192.168.0.0 0.0.255.255 ip nat inside source list 1 interface gigabitEthernet 0/2 overload interface gigabitEthernet 0/0 ip nat inside interface gigabitEthernet 0/1 ip nat inside interface gigabitEthernet 0/2 ip nat intside ip route 0.0.0.0 0.0.0.0 218.202.120.253
D.access-list 1 permit 192.168.0.0 0.0.255.255 ip nat inside source list 1 interface gigabitEthernet 0/2 overload interface gigabitEthernet 0/0 ip nat outside interface gigabitEthernet 0/1 ip nat inside interface gigabitEthernet 0/2 ip nat intside ip route 0.0.0.0 0.0.0.0 218.202.120.253