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Juniper M7i Hardware Guide

Juniper M7i
292 pages
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Table of Contents
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
Creating a Service Request with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
Part 1 Overview
Chapter 1 System Overview and Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
M7i Router Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
M7i Component Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
System Architecture Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
M7i and M10i Packet Forwarding Engine Architecture . . . . . . . . . . . . . . . . . . . . . . . 5
Packet Forwarding Engine Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Data Flow Through the Packet Forwarding Engine . . . . . . . . . . . . . . . . . . . . . . 5
Routing Engine Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Routing Engine Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Chapter 2 M7i Router Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Outstanding Issues with the M7i Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Errata with the M7i Router Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Chapter 3 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
M7i Chassis Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
M7i Midplane Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
M7i Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Chapter 4 Cooling System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 15
M7i Cooling System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
M7i Airflow Through the Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
iiiCopyright © 2019, Juniper Networks, Inc.

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Juniper M7i Specifications

General IconGeneral
BrandJuniper
ModelM7i
CategoryNetwork Router
LanguageEnglish

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