Router(config)#access-list ?
<1-99> IP standard access list
<100-199> IP extended access list
Router(config)#access-list 100 ?
deny Specify packets to reject
permit Specify packets to forward
remark Access list entry comment
Router(config)#access-list 100 deny ?
eigrp Cisco's EIGRP routing protocol
gre Cisco's GRE tunneling
icmp Internet Control Message Protocol
ip Any Internet Protocol
ospf OSPF routing protocol
tcp Transmission Control Protocol
udp User Datagram Protocol
Router(config)#access-list 100 deny icmp ?
A.B.C.D Source address
any Any source host
host A single source host
Router(config)#access-list 100 deny icmp host 192.168.1.1 ?
A.B.C.D Destination address
any Any destination host
host A single destination host
Router(config)#access-list 100 deny icmp host 192.168.1.1 192.168.1.4 ?
A.B.C.D Destination wildcard bits
Router(config)#access-list 100 deny icmp host 192.168.1.1 192.168.1.4 0.0.0.3
Router(config)#
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