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4-122

IP ACLs

Table 4-36 IP ACL Commands

Command Function Mode Page
access-list ip Creates an IP ACL and enters
configuration mode
GC 4-123
access-list ip
extended
fragment-auto-mask
Automatically creates extra masks to
support fragmented ACL entries
GC 4-123
permit, deny Filters packets matching a specified source
IP address
STD-A
CL
4-124
permit, deny Filters packets meeting the specified
criteria, including source and destination IP
address, TCP/UDP port number, protocol
type, and TCP control code
EXT-A
CL
4-125
show ip access-list Displays the rules for configured IP ACLs PE 4-128
access-list ip
mask-precedence
Changes to the mode for configuring access
control masks
GC 4-129
mask Sets a precedence mask for the ACL rules IP-Mask 4-130
show access-list ip
mask-precedence
Shows the ingress or egress rule masks for
IP ACLs
PE 4-133
ip access-group Adds a port to an IP ACL IC 4-134
show ip access-group Shows port assignments for IP ACLs PE 4-134
map access-list ip Sets the CoS value and corresponding
output queue for packets matching an ACL
rule
IC 4-135
show map
access-list ip
Shows CoS value mapped to an access list
for an interface
PE 4-136
match access-list ip Changes the 802.1p priority, IP
Precedence, or DSCP Priority of a frame
matching the defined rule (i.e., also called
packet marking)
IC 4-137
show marking Displays the current configuration for
packet marking
PE 4-138