Dell PowerConnect B-RX16 Installation Guide - Page 200

7 Upgrading the BigIron RX Series software Figure 89 provides a detailed diagram of the Hitless reload process. FIGURE 89 Management module (MP) and interface module (LP) hitless upgrade process Original New Active Active MP MP LPs hitless-reload command performed at console Reset Standby MP MP Sync Done Reset SW info request/acknowledge Reset Switchover MP Sync Done LP SW info reset LP module up LP module L2, L3, L4 done? LP module L2, L3, L4 done response Reset Reset Performing a hitless OS software upgrade To perform a hitlessLayer 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 router 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, refer to "Upgrading the management module's monitor and boot images" on page 180 and"Upgrading the management module's monitor and boot images" on page 180. 188 BigIron RX Installation Guide 53-1001811-01