Port Mirroring; Overview; Cli Examples; Example #1: Show Monitor Session - D-Link DES-3226L User Manual

Port Mirroring

This section describes the Port Mirroring feature.

Overview

Port Mirroring:
Allows you to monitor network traffic with an external network analyzer
Forwards a copy of each incoming and outgoing packet to a specific port
Is used as a diagnostic tool, debugging feature or means of fending off attacks
Assigns a specific port to copy all packets to
Allows inbound or outbound packets to switch to their destination and to be copied to the
mirrored port

CLI Examples

The following are examples of the commands used in the Port Mirroring feature.

Example #1: show monitor session

(Console)
Session ID
----------
1
NOTE:

Example #2: show port all

(Console)
Intf
----
0/1
0/2
0/3
0/4
0/5
0/6
0/7
0/8
0/10
Admin Mode
----------
Enable
Monitor session ID "1" - "1" is a hardware limitation.
Admin PhysicalPhysicalLink
Type Mode Mode
---- ------ ---------------------- ----
Enable Auto
Enable Auto
Enable Auto
Mirror Enable Auto
Probe Enable Auto
Enable Auto
Enable Auto
Enable Auto
Enable Auto
#show monitor session 1
Probe Port Mirrored Port
---------- -------------
0/5 0/4
#show port all
Link
StatusStatus Trap
Down Enable
Down Enable
Down Enable
Down Enable
Down Enable
Down Enable
Down Enable
Down Enable
Down Enable
Port Mirroring 49
LACP
Mode
----
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Enable