Brocade MLX Series and Brocade NetIron XMR Hardware ...

Managing the cooling system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .331Configuring the cooling system. . . . . . . . . . . . . . . . . . . . . . . . .331Manually setting the fan speed . . . . . . . . . . . . . . . . . . . . . . . .336Monitoring the cooling system . . . . . . . . . . . . . . . . . . . . . . . . .336Temperature log reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .337Managing interface modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .338Configuring interface module boot parameters. . . . . . . . . . . .338Changing priority of slots for interface modules . . . . . . . . . . .344Disabling and re-enabling power to interface modules. . . . . .344Enabling and disabling management module CPU usage calculations345Displaying CPU usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .346Displaying management module CPU usage . . . . . . . . . . . . . . . . .347Removing MAC address entries . . . . . . . . . . . . . . . . . . . . . . . . . . . .348Chapter 8Maintenance and Field ReplacementHardware maintenance schedule . . . . . . . . . . . . . . . . . . . . . . . . . .349Replacing a management module. . . . . . . . . . . . . . . . . . . . . . . . . .350Replacing the Compact Flash Card in an MR2 management module350Replacing an interface module . . . . . . . . . . . . . . . . . . . . . . . . . . . .351Removing and replacing an interface module. . . . . . . . . . . . .351Replacing a switch fabric module . . . . . . . . . . . . . . . . . . . . . . . . . .352Replacing a fiber-optic transceiver . . . . . . . . . . . . . . . . . . . . . . . . .353Cabling a fiber-optic transceiver . . . . . . . . . . . . . . . . . . . . . . . .354Replacing a power supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .354Determining which power supply failed . . . . . . . . . . . . . . . . . .354Setting the threshold for power supply monitoring . . . . . . . . .354Clearing power supply failure timestamps. . . . . . . . . . . . . . . .355Displaying power supply monitoring timestamps . . . . . . . . . .355Enabling a power supply shutdown . . . . . . . . . . . . . . . . . . . . .356Powering on the power supply through the CLI . . . . . . . . . . . .356Replacing a power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . .356Replacing fan assemblies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .359Replacing fan assemblies in all 32-slot routers. . . . . . . . . . . .359Replacing fan assemblies in 16-slot routers . . . . . . . . . . . . . .362Replacing the fan tray assembly in 4-slot and 8-slot routers .365Replacing the air filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .367Installing upward deflectors on fan assemblies . . . . . . . . . . .373Brocade MLX Series and Brocade NetIron XMR Hardware Installation Guide53-1002373-02ix