Preparing The Switch For The Software Installation - Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual

Complete Software Guide for Junos

Preparing the Switch for the Software Installation

86
®
OS for EX Series Ethernet Switches, Release 10.4
To upgrade Junos OS on the switch, perform the following tasks:
Preparing the Switch for the Software Installation on page 86
1.
Installing Software on the Backup Routing Engine on page 87
2.
Installing Software on the Default Master Routing Engine on page 88
3.
Returning Routing Control to the Default Master Routing Engine (Optional) on page 89
4.
Perform the following steps before installing the software:
Log in to the master Routing Engine's console.
1.
For information on logging in to the Routing Engine through the console port, see
"Connecting and Configuring an EX Series Switch (CLI Procedure)" on page 199.
Enter the Junos OS CLI configuration mode:
2.
a. Start the CLI from the shell prompt:
user@switch:RE% cli
You will see:
{master}
user@switch>
b. Enter configuration mode:
user@switch> configure
You will see:
{master}[edit]
user@switch#
Disable nonstop active routing (NSR) (supported on switches running Junos OS
3.
Release 10.4 or later):
{master}[edit]
user@switch# delete routing-options nonstop-routing
Disable graceful Routing Engine switchover (GRES):
4.
{master}[edit]
user@switch# deactivate chassis redundancy graceful-switchover
Save the configuration change on both Routing Engines:
5.
{master}[edit]
user@switch# commit synchronize
NOTE: To ensure the most recent configuration changes are committed
before the software upgrade, perform this step even if nonstop active
routing and graceful Routing Engine switchover were previously disabled.
Copyright © 2010, Juniper Networks, Inc.