定义一个用于封禁ICMP协议而只允许转发l66.129.130.0/24子网的ICMP数据包的访问控制列表,Cisc0路
A.access-list 198 permit icmp 166.129.130.0 255.255.255.0 anyaccess-list 198 deny iemp any anyaccess-list 198 permit ip any any
B.access-list 198 permit icmp 166.129.130.0 0.0.0.255 anyaccess-list 198 deny iemp any anyaccess-list 198 permit ip any any
C.access-list 99 permit icmp 166.129.130.0 0.0.0.255 anyaccess-list 99 deny iemp any anyaccess-list 99 permit ip any any
D.access-list 100 permit icmp 166.129.130.0 0.0.0.255 anyaccess-list 100 permit ip any anyaccess-list 100 deny icmp any any