Installing And Upgrading Junos Os; Routing Engines And Storage Media Names (Acx Series, M Series, Mx Series, Ptx Series, T Series, Tx Matrix, Tx Matrix Plus, And Jcs 1200 Routers); Chapter 2 Installing And Upgrading Junos Os - Juniper ACX1000 Configuration Manual

CHAPTER 2

Installing and Upgrading Junos OS

Routing Engines and Storage Media Names (ACX Series, M Series, MX Series, PTX
Series, T Series, TX Matrix, TX Matrix Plus, and JCS 1200 Routers)
Copyright © 2017, Juniper Networks, Inc.
Routing Engines and Storage Media Names (ACX Series, M Series, MX Series, PTX
Series, T Series, TX Matrix, TX Matrix Plus, and JCS 1200 Routers) on page 45
Boot Sequence on ACX Series Routers on page 48
Dual-Root Partitioning ACX Series Routers Overview on page 48
Understanding How the Primary Junos OS Image with Dual-Root Partitioning Recovers
on the ACX Series Router on page 49
Junos OS Release 12.2 or Later Upgrades with Dual-Root Partitioning on ACX Series
Routers on page 51
Installing Junos OS Using a USB Storage Device on ACX Series Routers on page 52
Installing Junos OS Upgrades from a Remote Server on ACX Series Routers on page 52
Example: Installing Junos OS and Configuring a Dual-Root Partition on ACX Series
Routers Using the CLI on page 53
Upgrading Software Packages on page 57
Loading and Committing the Configuration File on page 60
Checking the Current Configuration and Candidate Software Compatibility on page 61
Unattended Boot Mode in ACX Series on page 61
Understanding System Snapshot on an ACX Series Router on page 64
Example: Taking a Snapshot of the Software and Configuration on page 65
Understanding In-Service Software Upgrade (ISSU) in ACX5000 Series
Routers on page 68
Performing an In-Service Software Upgrade (ISSU) in ACX5000 Series
Routers on page 69
Table 15 on page 46 specifies the storage media names by Routing Engine. The storage
media device names are displayed when the router boots.
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