Preparing The Switch For The Software Installation - Dell PowerConnect J-EX4200-24T Software Manual

Dell PowerConnect J-Series Ethernet Switch Complete Software Guide for Junos OS

Preparing the Switch for the Software Installation

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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 a J-EX Series Switch (CLI Procedure)" on page 161.
Enter 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 GRES (graceful Routing Engine switchover):
3.
[edit]
user@switch# deactivate chassis redundancy graceful-switchover
Save the configuration change on both Routing Engines:
4.
[edit]
user@switch# commit synchronize
NOTE: To ensure the most recent configuration changes are committed
before the software upgrade, perform this step even if GRES was previously
disabled.
Exit out of the CLI configuration mode:
5.
[edit]
user@switch# exit
(Optional) Back up the current software configuration to a second storage option.
6.
See the Junos OS Installation and Upgrade Guide at
http://www.juniper.net/techpubs/software/junos/
task.
for instructions on performing this