A
C
CCESS
ONTROL
IPv4 ACLs
The commands in this section configure ACLs based on IPv4 addresses,
TCP/UDP port number, protocol type, and TCP control code. To
configure IPv4 ACLs, first create an access list containing the required
permit or deny rules, and then bind the access list to one or more ports
Command
access-list ip
permit, deny
permit, deny
show ip access-list
ip access-group
show ip
access-group
23-2
L
C
IST
OMMANDS
Table 23-2 IPv4 ACL Commands
Function
Creates an IPv4 ACL and enters
configuration mode for standard or
extended IPv4 ACLs
Filters packets matching a specified
source IPv4 address
Filters packets meeting the specified
criteria, including source and
destination IPv4 address, TCP/UDP
port number, protocol type, and TCP
control code
Displays the rules for configured IPv4
ACLs
Adds a port to an IPv4 ACL
Shows port assignments for IPv4
ACLs
Mode
Page
GC
23-3
IPv4-
23-4
STD-ACL
IPv4-
23-5
EXT-ACL
PE
23-7
IC
23-8
PE
23-8
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