Example: Performing A Unified Issu - Juniper EX9200 Features Manual

High Availability Feature Guide for EX9200 Switches

Example: Performing a Unified ISSU

Requirements
188
This example shows how to perform a unified in-service software upgrade (ISSU).
Requirements on page 188
Overview on page 189
Configuration on page 189
This example uses the following hardware and software components:
MX480 router with dual Routing Engines
Junos OS Release 13.3R6 as the starting release
Junos OS Release 14.1R4 as the ending release
Before You Begin
Before you perform a unified ISSU, be sure you:
Perform a compatibility check to ensure that the software and hardware components
and the configuration on the device support unified ISSU by using the
software validate in-service-upgrade
Read the chapter "Unified ISSU System Requirements" on page 161
special circumstances that might affect your upgrade.
Verify that your platform supports the unified ISSU feature.
Verify that the field-replaceable units (FRUs) installed in your platform support the
unified ISSU feature or that you can accept the results of performing the upgrade
with some FRUs that do not support unified ISSU.
Verify that the protocols and features configured on your platform support the unified
ISSU feature or that you can accept the results of performing the upgrade with some
protocols and features that do not support unified ISSU.
Download the software package from the Juniper Networks Support website at
http://www.juniper.net/support/
BEST PRACTICE:
your device, record the md5 checksum. After downloading the software
package to your device, confirm that it is not modified in any way by using
the
file checksum md5
md5 checksum, see
http://kb.juniper.net/InfoCenter/index?page=content&id=KB17665
command
and place the package on your local server.
When you access the Download Software web page for
command. For more information about verifying the
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request system
to anticipate any
.