Reference Guide

122 | Access Control Lists (ACL)
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seq
s z
Assign a sequence number to a deny or permit filter in an IP access list while creating the filter.
Syntax
seq sequence-number {deny | permit} {source [mask] | any | host ip-address}} [count
[byte] ] [dscp value] [order] [fragments]
To delete a filter, use the no seq sequence-number command.
Parameters
Defaults
Not configured
Command Modes
CONFIGURATION-STANDARD-ACCESS-LIST
Command
History
Usage
Information
The order option is relevant in the context of the Policy QoS feature only. The following applies:
• The seq sequence-number is applicable only in an ACL group.
S6000
sequence-number
Enter a number from 0 to 4294967290.
deny Enter the keyword deny to configure a filter to drop packets meeting this
condition.
permit Enter the keyword permit to configure a filter to forward packets meeting this
criteria.
source
Enter a IP address in dotted decimal format of the network from which the
packet was received.
mask
(OPTIONAL) 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 or hostname.
count (OPTIONAL) Enter the keyword count to count packets processed by the
filter.
byte (OPTIONAL) Enter the keyword byte to count bytes processed by the filter.
dscp (OPTIONAL) Enter the keyword dcsp to match to the IP DCSCP values.
order (OPTIONAL) Enter the keyword order to specify the QoS order for the ACL
entry.
Range: 0-254 (where 0 is the highest priority and 254 is the lowest; lower
order numbers have a higher priority)
Default: If the order keyword is not used, the ACLs have the lowest order by
default (255).
fragments Enter the keyword fragments to use ACLs to control packet fragments.
Version 9.0.2.0 Introduced on S6000
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.1.0 Add DSCP value for ACL matching.
Version 9.0.2.0 Allows ACL control of fragmented packets for IP (Layer 3) ACLs.
Version 7.6.1.0 Added support for S-Series
Version 6.5.10
Expanded to include the optional QoS
order priority for the ACL entry.