Port Mirroring Configuration

Configuration Hierarchy

The diagram illustrates the port mirroring configuration hierarchy.

mirroring config hierarchy
Figure 1. Port Mirroring Configuration Hierarchy

Configuration Syntax and Commands

The following sections describe the port mirroring configuration syntax and commands.

Syntax:

set forwarding-options mirror <name> [source | destination] <attribute> <value>

Attribute Value

<name>

Name for mirror configuration

acl true

Configure source as ACL.

Use delete form of the command to disable the configuration.

direction [egress | ingress]

Configure traffic direction ingress/egress.

interface <interface>

Specifies the physical interface name.

logical-interface <logical-interface>

Configure source logical interface name.

Example 1: Mirroring one physical interface traffic to another physical interface

{
    "rtbrick-config:mirror": [
      {
        "name": "MIRROR1",
        "destination": {
          "interface": "ifp-0/0/4"
        },
        "source": {
          "direction": "ingress",
          "interface": "ifp-0/0/2"
        }
      }
    ]
  }

Example 2: Mirroring Traffic to CPU

{
    "rtbrick-config:mirror": [
      {
        "name": "mirror1",
        "destination": {
          "interface": "cpu-0/0/200"
        },
        "source": {
          "direction": "ingress",
          "interface": "ifp-0/0/52"
        }
      }
    ]
  }