Switch CLI Reference Guide

Monitor (Mirror) Commands

monitor session - destination
Command Objective

This command configures a destination port for a mirroring session.

The no form of the command removes the destination port configuration of the mirroring session.

Syntax

monitor session <session-id (1-3)> destination { interface <interface-type> <interface-id>} [allow-ingress]

no monitor session <session-id (1-3)> destination { interface <interface-type> <interface-id>}

Parameter Description
  • session-id - Specifies the index of the mirroring session. This value ranges between 1 and 3.

  • interface - Specifies the destination port for the mirroring session.

    • <interface-type> - Interface type. This can be: GigabitEthernet or or Port Channel.

    • <interface-id> - Interface identifier. This is a combination of slot number and port number.

  • allow-ingress - Allow Packets Ingress to Destination Port.

ModeGlobal Configuration Mode
monitor session - source
Command Objective

This command configures a source port / remote VLAN for a mirroring session.

The no form of the command removes the source port / remote VLAN configuration of the mirroring session.

Syntax

monitor session <session-id (1-3)> { source { interface <interface-type> <interface-id> [{ rx | tx | both }] }}}

no monitor session <session-id (1-3)> { source { interface <interface-type> <interface-id> [{rx|tx|both}]

Parameter Description
  • session-id - Configures the session number that is used to identify a session.

  • interface - Configures the source interface whose traffic to be mirrored. The details to be provided are:

    • <interface-type> - Sets the type of interface. The interface can be:

      • gigabitethernet - A version of LAN standard architecture that supports data transfer upto 1 Gigabit per second.

    • <interface-id> - Sets the interface identifier. This is a unique value that represents the specific interface. This value is a combination of slot number and port number separated by a slash.

  • rx - Mirrors received traffic

  • tx - Mirrors transmitted traffic

  • both - Specifies the traffic direction to monitor. If the traffic direction is not specified, both transmitted and received traffic is mirrored.

ModeGlobal Configuration Mode
no monitor session
Command Objective

This command is used to remove the mirroring configuration.

Syntax

no monitor session {session-id}

Parameter Description
  • session-range - Specifies the list of session for which mirroring configuration should be removed

  • session-id - Specifies the index of the mirroring session.

ModeGlobal Configuration Mode

show monitor
Command Objective

This command displays the mirroring information present in the system.

Syntax

show monitor [{ session <session-id > | <session-list> | all }] [detail]

Parameter Description
  • session-id - Displays the mirroring information for the specified index of the mirroring session.

  • range - Displays the mirroring information for the specified list of mirroring session.

  • all - Displays the mirroring information of all the sessions.

  • detail - Displays the detailed information regarding the session.

ModeGlobal Configuration Mode

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