traffic on the interface. This feature is particularly useful when looking for malicious traffic. It is available for Layer 2
and Layer 3 ingress and egress traffic. You may specify traffic using standard or extended access-lists. This
mechanism copies all incoming or outgoing packets on one port and forwards (mirrors) them to another port. The
source port is the monitored port (MD) and the destination port is the monitoring port (MG).
Related Commands
•
— create an extended ACL.
•
— assign a permit filter for TCP packets.
•
— assign a permit filter for UDP packets.
permit (for Standard MAC ACLs)
To forward packets from a specific source MAC address, configure a filter.
Syntax
permit {any |
mac-source-address
[
mac-source-address-mask
]} [count [byte]] |
[log [interval
minutes
] [threshold-in-msgs [
count
]] [monitor]
To remove this filter, you have two choices:
•
Use the
no seq
sequence-number
command if you know the filter’s sequence number.
•
Use the
no permit {any |
mac-source-address mac-source-address-mask
}
command.
Parameters
log
(OPTIONAL) Enter the keyword
log
to enable the triggering of ACL log messages.
threshold-in msgs
count
(OPTIONAL) Enter the
threshold-in-msgs
keyword followed by a value to indicate
the maximum number of ACL logs that can be generated, exceeding which the generation
of ACL logs is terminated with the
seq
,
permit
, or
deny
commands. The threshold
range is from 1 to 100.
interval
minutes
(OPTIONAL) Enter the keyword
interval
followed by the time period in minutes at
which ACL logs must be generated. The interval range is from 1 to 10 minutes.
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 is applied to the
monitored interface.
Defaults
By default, 10 ACL logs are generated if you do not specify the threshold explicitly.
The default frequency at which ACL logs are generated is 5 minutes. By default, flow-based monitoring is not
enabled.
Command History
This guide is platform-specific. For command information about other platforms, see the relevant
Dell Networking
OS Command Line Reference Guide
.
Version
Description
9.10(0.0)
Introduced on the S6100.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000–ON.
Access Control Lists (ACL)
305
