port monitor

This command enables traffic mirroring mode.

The use of a negative form (no) of the command disables the traffic mirroring mode.

Syntax
[no] port monitor
Parameters

None.

Required privilege level

10

Command mode

CONFIG-GI

CONFIG-TE

Example
esr(config-if-gi)# port monitor interface gigabitethernet 1/0/5
CODE

port monitor interface

This command defines controlling ports.

The use of a negative form (no) of the command removes controlling port.

Syntax
port monitor interface <IF> <DIRECTION>
no port monitor
Parameters

<IF> – physical interface or a group of physical interfaces is specified in the form described in Section Types and naming order of router interfaces;

<DIRECTION> – traffic direction:

  • tx – only outgoing traffic mirroring;
  • rx – only incoming traffic mirroring.
Required privilege level

10

Command mode

CONFIG-GI

CONFIG-TE

Example
esr(config-if-gi)# port monitor interface gigabitethernet 1/0/5
CODE

port monitor mode

This command defines the mode of the port transmitting mirrored traffic.

The use of a negative form (no) of the command sets the default value.

Syntax
port monitor mode <MODE>
no port monitor mode
Parameters

<MODE> – mode:

  • network – combined data transfer and mirroring;
  • monitor-only – mirroring only.
Default value

network

Required privilege level

10

Command mode

CONFIG

Example
esr(config)# port monitor mode monitor-only
CODE

port monitor remote

In the current firmware version this functionality is supported only by ESR-1000/1200/1500/1511/1700 routers

This command enables remote mirroring (RSPAN).

The use of a negative form (no) of the command disables remote mirroring (RSPAN).

Syntax
[no] port monitor remote
Parameters

The command does not contain parameters.

Required privilege level

10

Command mode

CONFIG-GI

CONFIG-TE

Example
esr(config-if-gi)# port monitor remote
CODE

port monitor remote vlan

In the current firmware version this functionality is supported only by ESR-1000/1200/1500/1511/1700 routers.

This command defines the VLAN over which the mirrored traffic will be transmitted.

The use of a negative form (no) of the command removes a specified VLAN.

Syntax
port monitor remote vlan <VID> <DIRECTION>
no port monitor remote vlan <DIRECTION>
Parameters

<VID> – VLAN ID, set in the range of [2..4094];

<DIRECTION> – traffic direction:

  • tx – mirroring only outgoing traffic to the specified VLAN;
  • rx – mirroring only incoming traffic to the specified VLAN.
Required privilege level

10

Command mode

CONFIG

Example
esr(config)# port monitor remote vlan 10
CODE

show interfaces switch-port monitor

The commands displays mirroring settings.

Syntax
show interfaces switch-port monitor
Parameters

None.

Required privilege level

1

Command mode

ROOT

Example
esr# show interfaces switch-port monitor
Port monitor mode:         network
RSPAN configuration RX:    VLAN 222
RSPAN configuration TX:    VLAN 222
Source Port    Destination Port   Type     RSPAN
------------   ----------------   ------   --------
gi1/0/7        gi1/0/6            RX,TX    Enabled
CODE