Juniper JUNOS 10.2, Upgrade Manual

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Chapter 2 Hardware Architecture 13
Hardware Architecture Overview ..................................................................13
M Series, MX Series, T Series, TX Matrix, and TX Matrix Plus Routers ...........14
Hardware Overview (M Series, MX Series, T Series, and TX Matrix
Routers) ............................................................................................14
System Memory ...............................................................................15
Storage Media ..................................................................................16
Routing Engines and Storage Media Names (M Series, MX Series, T Series,
TX Matrix, and TX Matrix Plus Routers) ............................................16
Boot Sequence (M Series, MX Series, T Series, TX Matrix, and TX Matrix
Plus Routers) ....................................................................................18
J Series Routers .............................................................................................19
Hardware Overview (J Series Routers) ....................................................20
System Memory ...............................................................................20
Storage Media ..................................................................................21
Routing Engines and Storage Media Names (J Series Routers) .................21
Boot Sequence (J Series Routers) .............................................................21
Part 2 JUNOS Software Installation
Chapter 3 Installation Overview 25
Installation Type Overview ............................................................................25
Standard Installation ...............................................................................25
Category Change Installation ..................................................................26
Recovery Installation ..............................................................................26
Installation Categories on the M Series, MX Series, T Series, TX Matrix, and
TX Matrix Plus Routers ...........................................................................26
Installation Categories on the J Series Routers ...............................................27
Verifying PIC Combinations ..........................................................................27
Chapter 4 Completing a Standard or Change Category Installation 29
Checking the Current Configuration and Candidate Software
Compatibility ..........................................................................................30
Determining the JUNOS Software Version .....................................................30
Downloading Software ..................................................................................30
Downloading Software with a Browser ...................................................30
Downloading Software Using the Command-Line Interface ....................31
Connecting to the Console Port .....................................................................32
Backing Up the Current Installation (M Series, MX Series, T Series, TX Matrix,
and TX Matrix Plus Routers) ...................................................................32
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Table of Contents
JUNOS Release 10.2 Software Installation and Upgrade Guide