Users' questions

What is the difference between control plane and data plane?

What is the difference between control plane and data plane?

The control plane is the part of a network that controls how data is forwarded, while the data plane is the actual forwarding process.

What splits data forwarding plane and control?

Control plane packets are processed by router to update the routing table. The forwarding plane/data plane forwards the packets based on the built logic of control plane. Control plane packets are locally originated by the router itself. Data plane packets go through the router.

How do you separate a control plane and a data plane?

The term Software Defined Networks (SDN) refers to the concept of separating control and data plane in the network. The separation of the layer enables external management and control of distributed lower layer transport functionalities.

Which two components used in Mpls operation are associated with the router data plane?

Which two components used in MPLS operation are associated with the router data plane? (Choose two.) Explanation: The data plane of a LSR consists of an IP forwarding table (FIB) and a label forwarding table (LFIB). The FIB makes forwarding decisions for unlabeled packets.

What’s the difference between MPLS and control plane?

MPLS control plane indicates how the updates are sent from one PE to another PE router. MPLS Control Plane is used to build FIB table from the information of RIB and LFIB table based upon label exchange protocol. Control Plane makes use of label exchange protocol to create and maintain label internally and to exchange label with other device.

What does a data plane do in MPLS?

MPLS Data Plane indicates how the data will flow from one PE to another PE router. Data Plane forward packets to the appropriate interface based on the information in the LFIB or the FIB table. As the IP packet arrives, an IP routing lookup is performed and verification is done if any label is associated.

How is MPLS control plane used in FIB table?

MPLS Control Plane is used to build FIB table from the information of RIB and LFIB table based upon label exchange protocol. Control Plane makes use of label exchange protocol to create and maintain label internally and to exchange label with other device. The label exchange protocol bind label with network learned via routing protocol.

How are data planes and management planes used?

Data plane software or ASICs uses FIB structures to forward the transit traffic. Management plane protocols like SNMP can be used to monitor the device operation, its performance, interface counters … The management plane is pretty straightforward, so let’s focus on a few intricacies of the control and data planes.