Cisco Cisco IOS Software Release 12.2(1)T
IP Access List Entry Sequence Numbering
How to Use Sequence Numbers in an IP Access List
6
Cisco IOS Release 12.2(14)S, 12.2(15)T, and 12.3(2)T
or
sequence-number permit protocol source source-wildcard destination destination-wildcard
[precedence precedence] [tos tos] [log] [time-range time-range-name] [fragments]
[precedence precedence] [tos tos] [log] [time-range time-range-name] [fragments]
6.
sequence-number deny source source-wildcard
or
sequence-number deny protocol source source-wildcard destination destination-wildcard
[precedence precedence] [tos tos] [log] [time-range time-range-name] [fragments]
[precedence precedence] [tos tos] [log] [time-range time-range-name] [fragments]
7.
Repeat Step 5 and/or Step 6 as necessary, adding statements by sequence number where you
planned. Use the no sequence-number command to delete an entry.
planned. Use the no sequence-number command to delete an entry.
8.
end
9.
show ip access-lists access-list-name
DETAILED STEPS
Command or Action
Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode. Enter your password if
prompted.
prompted.
Step 2
configure
terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
ip access-list resequence
access-list-name
starting-sequence-number increment
Example:
Router(config)# ip access-list resequence kmd1
100 15
Resequences the specified IP access list using the starting
sequence number and the increment of sequence numbers.
sequence number and the increment of sequence numbers.
•
This example resequences an access list named kmd1.
The starting sequence number is 100 and the increment
is 15.
The starting sequence number is 100 and the increment
is 15.
Step 4
ip access-list
{standard | extended}
access-list-name
Example:
Router(config)# ip access-list standard kmd1
Specifies the IP access list by name and enters named access
list configuration mode.
list configuration mode.
•
If you specify standard, make sure you subsequently
specify permit and/or deny statements using the
standard access list syntax.
specify permit and/or deny statements using the
standard access list syntax.
•
If you specify extended, make sure you subsequently
specify permit and/or deny statements using the
extended access list syntax.
specify permit and/or deny statements using the
extended access list syntax.