Upgrading Junos Os In A Virtual Chassis; Upgrading Junos Os Software In An Ex9200 Virtual Chassis - Juniper EX9200 Features Manual

CHAPTER 4

Upgrading Junos OS in a Virtual Chassis

Upgrading Junos OS Software in an EX9200 Virtual Chassis

Copyright © 2017, Juniper Networks, Inc.
Upgrading Junos OS Software in an EX9200 Virtual Chassis on page 45
You can upgrade the Junos OS in an EX9200 Virtual Chassis by installing Junos OS
software onto each Routing Engine in the Virtual Chassis, and rebooting each Routing
Engine individually to complete the installation. Both member switches in the EX9200
Virtual Chassis must have dual Routing Engines installed.
NOTE: Make sure all four Routing Engines in the Virtual Chassis (both Routing
Engines in the master switch and both Routing Engines in the backup switch)
are running the same version of Junos OS software.
To upgrade Junos OS software in an EX9200 Virtual Chassis:
Download the Junos OS software package to the master Routing Engine on the master
1.
switch in the Virtual Chassis (VC-M).
See Downloading Software.
Disable nonstop active routing (NSR) from the master Routing Engine on the master
2.
switch in the Virtual Chassis (VC-M):
{master:member0-re0}
[edit routing-options]
user@switch# deactivate nonstop-routing
Disable graceful Routing Engine switchover (GRES) from the master Routing Engine
3.
on the master switch in the Virtual Chassis (VC-M):
{master:member0-re0}
[edit chassis redundancy]
user@switch# deactivate graceful-switchover
Commit the configuration.
4.
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