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How to configure Port Monitoring / Mirroring on Dell EMC Networking OS9 Switches

Summary: How to configure Port Monitoring / Mirroring on Dell Networking Force10 Switches, How to set up port mirror on Dell Switch, How to set up port monitor on Force10

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Article Content



This article explains how to set up and verify Port Monitoring (Mirroring) on Dell Networking Force10 Switches.


Important things to Know


  • ​Port Monitoring is supported on both physical and logical interfaces like virtual area network (VLAN) and port-channel.
  • The monitored (the source) and monitoring ports (the destination) must be on the same switch.
  • In general, a monitoring port should have no ip address and no shutdown as the only configuration.  A monitoring port also may not be a member of a VLAN.
  • There may only be one destination port in a monitoring session.
  • A Port monitoring session can have multiple source statements.
  • One Destination Port can be used in multiple sessions.


Configure Port Monitor Session




Force10# configure

Enter configuration mode.

Force10(conf)# interface te 0/2

Enter the destination port to be used for monitor session.  Confirm that it has no configuration. 

Force10(conf-if-te-0/2)# no switchport
Remove any Layer 2 that may be configured.

Force10(conf-if-te-0/2)# no ip address

Remove any ip address that may be configured.

Force10(conf-if-te-0/2)# no shutdown

Enable the port.


Leave the destination port interface.

Force10(conf)# monitor session 0

Set up and identify the session number. Range 0 - 65535.

Force10(conf-mon-sess-0)#source te 0/1 destination te 0/2 direction both

Set the source (the port you want to monitor).  Set the destination (the port where you send the monitored packets).  Set the direction (Both/Rx/Tx).


Verify Port Monitor Session


Force10#show monitor session 0
  SessID  Source         Destination         Dir     Mode      Source IP      Dest IP
  ------         ------               -----------             ---       ----           ---------          --------
     0          Te 0/1              Te 0/2             both     Port            N/A              N/A   



Article Properties

Affected Product

Force10 S60-44T

Last Published Date

21 Feb 2021



Article Type

How To