Juniper EX9200 Features Manual page 180

High Availability Feature Guide for EX9200 Switches
Table 9: Locating the Information You Need to Work With ISSU (continued)
Task You Need to Perform
Perform a unified ISSU
Verify that the unified ISSU is successful
Understand how the unified ISSU process works
Related
Documentation
160
Unified ISSU takes advantage of the redundancy provided by dual Routing Engines and
works in conjunction with the graceful Routing Engine switchover feature and the nonstop
active routing feature.
Unified ISSU provides the following benefits:
Eliminates network downtime during software image upgrades
Reduces operating costs, while delivering higher service levels
Allows fast implementation of new features
Understanding High Availability Features on Juniper Networks Routers
Where The Information Is Located
"Example: Performing a Unified ISSU" on page 188
"Verifying a Unified ISSU" on page 214
Understanding the Unified ISSU Process
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