Installation Guide

Brocade MLX Series and Brocade NetIron XMR Installation Guide 11
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Router modules
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The management module controls the hardware components, runs the networking protocols, and provides the Real Time Operating
System (RTOS).
Each router requires one management module, and can accommodate a second module for redundancy. A redundant management
module works in conjunction with the active management module. If the active module becomes unavailable, the redundant management
module automatically takes over the system operation, minimizing system downtime. For information about the redundancy feature, refer
to the “Using a Redundant Management Module” chapter in the Brocade MLX Series and Brocade NetIron Family Configuration Guide.
Management modules are installed in dedicated slots marked M1 and M2. By default, the module installed in slot M1 is the active
management module.
Management modules are hot-swappable, which means you can remove and replace them without powering down the system.
NOTE
MR and MR2 management modules cannot be mixed in the same chassis.
NOTE
Prior to installing or replacing the MR2 management module, you must read the Hardware Installation Notes that shipped with
the hardware.
NOTE
Although management modules are designed to be hot-swappable, you must upgrade the software on all interface modules and
management modules to the appropriate software release before installing them. For more information on the appropriate
software release, refer to the Hardware Installation Notes that shipped with the management module.
<Link>Figure 9 shows a management module front panel.
FIGURE 9 MR management module front panel
<Link>Figure 10 shows the MR2 management module front panel.
FIGURE 10 MR2 management module front panel
The front panel of the management module contains the following control features:
• Two auxiliary flash slots (available on MR management modules only)
• Compact flash slot (available on MR2 management modules only)
• Console port
• A 10/100/1000 Ethernet port