Datasheet

5. The integrated ASIC reassembles data cells stored in shared memory into data packets

as they are ready for transmission and passes them to the outbound networking

interface.

6. The outbound networking interface transmits the data packets.

Figure 20: Packet Forwarding Engine Components and Data Flow

Documentation

M7i Compact Forwarding Engine Board (CFEB) and Enhanced Compact Forwarding

Engine Board (CFEB-E) Description on page 8

•

• M7i Router Description on page 3

Routing Engine Architecture

The Routing Engine runs the Junos OS, which Juniper Networks has developed and

optimized to handle large numbers of network interfaces and routes. The software

consists of a set of system processes running in protected memory modules on top of

an independent operating system. The Junos kernel supports Junos system processes,

which handle system management processes, routing protocols, and control functions

(see Figure 21 on page 32).

The Routing Engine has a dedicated 100-Mbps internal connection to the Packet

Forwarding Engine.

Chapter 3: System Architecture Overview