Upgrade and Maintenance Guide
91
CHAPTER 4
Upgrading SteelHead CX, EX, and
SteelFusion Core Appliances
This chapter describes how to upgrade SteelHead CX, EX, and SteelFusion Core appliances. It includes the
following sections:
“Installing Licenses and Activating Specifications” on page 97
“Installing Hardware for Model Upgrades” on page 101
“Installing Required Memory and Disk Drives for EX1160VH Upgrades” on page 106
Overview
A model upgrade enables you to add a license to an existing CX, EX, or SteelFusion appliance to increase
the capacity and the model number of the appliance within its platform family.
You can install licenses using the Riverbed command-line interface (CLI) or the SteelHead Management
Console. Model upgrades always preserve the configuration of the appliance.
In some cases, model upgrades require the installation of additional disk drives and memory modules.
Upgrades that require the installation of additional hardware do not preserve the data store.
Model Upgrades and Platform Requirements
The following table describes the available model upgrades, the system requirements for the upgrade, and
the impact of the upgrade on the appliance.
Source
Model
Destination
Model
Upgrade
Requirements
Minimum
Software
Version
Impact on
Data Store
Impact on
Configuration
Reboot
Required
CX255U
CX255L
License only
RiOS v8.0.3a,
v8.5.0
None
None
No
CX255U
CX255M
License only
RiOS v8.0.3a,
v8.5.0
None
None
No
CX255U
CX255H
License only
RiOS v8.0.3a,
v8.5.0
None
None
No
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