Reference Guide

232 | Access Control Lists (ACL)
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Command
History
Usage
Information
The number of entries allowed per ACL is hardware-dependent. Refer to your line card documentation
for detailed specification on entries allowed per ACL.
Prior to 7.8.1.0, names are up to 16 characters long.
Example
Figure 9-5. Command Example: ip access-list extended
Related
Commands
permit
c e s
Configure a filter to pass IP packets meeting the filter criteria.
Syntax
permit {ip | ip-protocol-number} {source mask | any | host ip-address} {destination mask |
any | host ip-address} [count [byte] | log] [dscp value] [order] [monitor] [fragments]
To remove this filter, you have two choices:
• Use the no seq sequence-number command syntax if you know the filter’s sequence number
or
• Use the no deny {ip | ip-protocol-number} {source mask | any | host ip-address}
{destination mask | any | host ip-address} command.
Parameters
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.8.1.0 Increased name string to accept up to 140 characters. Prior to 7.8.1.0, names are up to
16 characters long.
Version 7.6.1.0 Support added for S-Series
Version 7.5.1.0 Support added for C-Series
pre-Version 6.2.1.1 Introduced on E-Series
FTOS(conf)#ip access-list extended TESTListEXTEND
FTOS(config-ext-nacl)#
ip access-list standard Configure a standard IP access list.
show config Display the current configuration.
ip Enter the keyword ip to configure a generic IP access list. The keyword ip
specifies that the access list will permit all IP protocols.
ip-protocol-number
Enter a number from 0 to 255 to permit based on the protocol identified in the
IP protocol header.
source
Enter the IP address of the network or host from which the packets were sent.
mask
Enter a network mask in /prefix format (/x) or A.B.C.D. The mask, when
specified in A.B.C.D format, may be either contiguous or non-contiguous.
any Enter the keyword any to specify that all routes are subject to the filter.
host ip-address Enter the keyword host followed by the IP address to specify a host IP
address.
destination
Enter the IP address of the network or host to which the packets are sent.
count (OPTIONAL) Enter the keyword count to count packets processed by the
filter.