Configuring Port-Mirroring Instances on MX Series 3D Universal Edge Routers
You can configure port-mirroring instances both at the DPC level and at the PIC level on MX Series routers, as described in the following topics:
- Configuring Port-Mirroring Instances at the DPC Level
- Configuring Port-Mirroring Instances at the PIC Level
Configuring Port-Mirroring Instances at the DPC Level
A port-mirroring instance configured at the FPC level for the DPC is bound to all the Packet Forwarding Engines on the DPC.
To associate a port-mirroring instance with a specific DPC and its Packet Forwarding Engines, include the port-mirror-instance port-mirroring-instance-name statement at the [edit chassis fpc slot-number] hierarchy level:
The properties of the port-mirroring instance associated with the DPC override any global port-mirroring properties (configured by including the port-mirroring statement at the [edit forwarding-options] hierarchy level).
Configuring Port-Mirroring Instances at the PIC Level
For MX Series routers, there is a one-to-one mapping of Packet Forwarding Engines and PICs. Therefore, a port-mirroring instance configured at the PIC level is bound to its Packet Forwarding Engines and ports.
To associate a port-mirroring instance with a specific Packet Forwarding Engine, include the port-mirror-instance port-mirroring-instance-name statement at the [edit chassis fpc slot-number pic slot-number] hierarchy level:
The properties of the port-mirroring instance associated with the PIC override the properties of the port-mirroring instance associated with the DPC (configured by including the port-mirroring port-mirroring-instance-name statement at the [edit chassis fpc slot-number] hierarchy level).
For more information about configuring port mirroring for Layer 2 VPLS traffic on MX Series routers, see the Junos MX Series Ethernet Services Routers Layer 2 Configuration Guide.
