Chapter 3 M10I System Architecture Overview; M10I System Architecture Overview; Figure 15: System Architecture - Juniper M10i Hardware Manual

CHAPTER 3

M10i System Architecture Overview

M10i System Architecture Overview
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M10i System Architecture Overview on page 31
M10i Packet Forwarding Engine Architecture Overview on page 32
M10i Routing Engine Architecture Overview on page 33
The router architecture consists of two major components:
Packet Forwarding Engine—Performs Layer 2 and Layer 3 packet switching, route
lookups, and packet forwarding.
Routing Engine—Provides Layer 3 routing services and network management.
The Packet Forwarding Engine and the Routing Engine perform independently but
communicate constantly through a 100-Mbps internal link. This arrangement provides
streamlined forwarding and routing control and the ability to run Internet-scale networks
at high speeds. Figure 15 on page 31 illustrates the relationship between the Packet
Forwarding Engine and the Routing Engine.

Figure 15: System Architecture

M10i Chassis Description on page 5
M10i Midplane Description on page 7
M10i Power System Description on page 24
31