The Forwarding Plane in Juniper Networks

D

The forwarding plane is responsible for the actual forwarding of data packets through a network device such as a router or switch. It is the component that receives incoming packets, makes forwarding decisions based on the device's routing table and forwarding table, and then forwards the packet out to the appropriate interface.

Option A: "The forwarding plane is the intelligence of the platform" - This statement is incorrect. While the forwarding plane is a critical component of a network device, it is not the only intelligence on the platform. There are other components such as the control plane and management plane that are responsible for other critical functions of the device.

Option B: "The forwarding plane is based on an X86 architecture" - This statement is also incorrect. The architecture of the forwarding plane depends on the specific device and vendor. For example, Juniper Networks devices use their proprietary Trio chipset for the forwarding plane.

Option C: "The forwarding plane maintains the routing tables, bridging table, and primary forwarding table" - This statement is true. The forwarding plane maintains these tables to make forwarding decisions.

Option D: "The forwarding plane implements policers, stateless firewall filters, and class of service" - This statement is also true. The forwarding plane can be programmed to implement various features, including policers, firewall filters, and class of service, to help control the flow of traffic through the device.

In summary, the forwarding plane is responsible for the actual forwarding of data packets through a network device, and it maintains the routing and forwarding tables. It can also be programmed to implement various features to help control traffic flow.