Command Line Reference Guide

214 | Access Control Lists (ACL)
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Defaults
Not configured.
Command Modes
CONFIGURATION-EXTENDED-ACCESS-LIST
Command
History
Usage
Information
The order option is relevant in the context of the Policy QoS feature only. See the “Quality of
Service” chapter of the FTOS Configuration Guide for more information.
When you use the log option, CP processor logs details about the packets that match. Depending on
how many packets match the log entry and at what rate, the CP may become busy as it has to log these
packets’ details.
The C-Series and S-Series cannot count both packets and bytes, so when you enter the count byte
options, only bytes are incremented.
The monitor option is relevant in the context of flow-based monitoring only. See the Chapter 45, Port
Monitoring.
Related
Commands
deny arp
e
Configure an egress filter that drops ARP packets on egress ACL supported line cards (see your line
card documentation).
Syntax
deny arp {destination-mac-address mac-address-mask | any} vlan vlan-id {ip-address | any |
opcode code-number} [count [byte] | log] [order] [monitor]
monitor (OPTIONAL) Enter the keyword monitor when the rule is describing the
traffic that you want to monitor and the ACL in which you are creating the rule
will be applied to the monitored interface. For details, see the section
“Flow-based Monitoring” in the Port Monitoring chapter of the FTOS
Configuration Guide.
fragments Enter the keyword fragments to use ACLs to control packet fragments.
Version 8.3.1.0 Add DSCP value for ACL matching.
Version 8.2.1.0 Allows ACL control of fragmented packets for IP (Layer 3) ACLs.
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Added support for S-Series
Version 7.5.1.0 Added support for C-Series
Version 7.4.1.0
Added support for non-contiguous mask and added the
monitor option.
Version 6.5.10
Expanded to include the optional QoS
order priority for the ACL entry.
Note: When ACL logging and byte counters are configured simultaneously, byte counters
may display an incorrect value. Configure packet counters with logging instead.
deny tcp Assign a filter to deny TCP packets.
deny udp Assign a filter to deny UDP packets.
ip access-list extended Create an extended ACL.