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Upgrade and Downgrade Instructions for Junos OS Release 10.4 for EX Series Switches
Copyright © 2011, Juniper Networks, Inc.
Upgrade and Downgrade Instructions for Junos OS Release 10.4 for EX Series Switches
Supported OS—Microsoft Windows XP Service Pack 3
Virtual Chassis
The EX Series Switch Software Features Overview topic in the EX Series Junos OS
Release 10.4R1 documentation incorrectly states that, on EX8200 Virtual Chassis, the
IP source guard feature is supported in Junos OS Release 10.3R1 and that the multicast
storm control feature is supported in Junos OS Release 10.3R2. These features are not
supported on EX8200 Virtual Chassis.
New Features in Junos OS Release 10.4 for EX Series Switches on page 194
Changes in Default Behavior and Syntax in Junos OS Release 10.4 for EX Series Switches
on page 196
Limitations in Junos OS Release 10.4 for EX Series Switches on page 197
Outstanding Issues in Junos OS Release 10.4 for EX Series Switches on page 202
Resolved Issues in Junos OS Release 10.4 for EX Series Switches on page 206
Upgrade and Downgrade Instructions for Junos OS Release 10.4 for EX Series Switches
on page 211
The following pages list the issues in Junos OS Release 10.4R2 for EX Series switches
regarding software upgrade or downgrade:
Upgrading Software on page 211
Upgrade Policy for Junos OS Extended End-Of-Life Releases on page 212
Upgrading or Downgrading from Junos OS Release 9.4R1 for EX Series
Switches on page 213
Upgrading from Junos OS Release 9.3R1 to Release 10.4 for EX Series
Switches on page 213
Upgrading Software
You can use this procedure to upgrade Junos OS on an EX Series switch with a single
Routing Engine, including an individual member of an EX4200 Virtual Chassis or all
members of an EX4200 Virtual Chassis or an EX8200 switch using a single Routing
Engine. To upgrade software on an EX8200 switch running two Routing Engines, see
Installing Software on an EX8200 Switch with Redundant Routing Engines (CLI Procedure)
or
Upgrading Software Using Nonstop Software Upgrade (CLI Procedure)
To install software upgrades on a switch with a single Routing Engine:
Download the software package as described in
1.
.
Juniper Networks
(Optional) Back up the current software configuration to a second storage option.
2.
See the Junos OS Installation and Upgrade Guide at
http://www.juniper.net/techpubs/software/junos/index.html
.
Downloading Software Packages from
for instructions.
211
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