Performing A Hitless Layer 2 Os Software Upgrade; Loading The Multi-Service Ironware Software Onto The Switch; Ironware Software Release 02.7.03A For Brocade Bigiron Rx Series Swtches - Brocade Communications Systems PowerConnect B-RX Release Note

Figure 1 Management module (MP) and Interface Module (LP) Hitless Upgrade Process

Performing a Hitless Layer 2 OS software upgrade

To perform a hitless Layer 2 OS software upgrade, you must perform the following tasks:
•
Copy version 02.3.00 or later of the Multi-Service IronWare software to the primary and secondary
image on both the active and standby management modules and interface modules.
•
Setup a console connection to both the active and standby management modules. These connections
can be through a telnet, SSH, or serial console session.
•
Type the hitless-reload command at the console of the active management module.

Loading the Multi-Service IronWare software onto the switch

Hitless Layer 2 OS upgrade loads from the primary and secondary images on the Management modules.
The first step in performing a hitless Layer 2 OS upgrade is to copy the version 02.3.00 or later images
into the flash memory of the active and standby management modules.
For instructions for copying these files, see Upgrading the management module monitor and boot images
and Upgrading the management module IronWare image.
Setting up consoles
Hitless Layer 2 OS upgrade is executed at the active management module. During the process of
upgrading the image, control of the switch is shifted to the standby management module. For this reason,
you need to have management sessions enabled on both the active and the standby management modules.
When the reload is complete, the management module that was in the standby condition at the beginning
will be in the active state. If you want the original management module to be active, you must manually

IronWare Software Release 02.7.03a for Brocade BigIron RX Series Swtches

Release Notes v 1.0 Page 27 of 40