A.在MSR-1的GigabitEthernet0/0接口配置silent-interface GigabitEthernet 0/0
B.在MSR-2的GigabitEthernet0/0接口配置silent-interface GigabitEthernet 0/0
C.在MSR-1上配置ACL并應(yīng)用在其GigabitEthernet0/0接口inbound方向
D.在MSR-2上配置ACL并應(yīng)用在其GigabitEthernet0/0接口inbound方向