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Rolling Reboot
The Rolling Reboot feature provides a solution for continuously rebooting the line card when a system failure occurs from causes
including BIST failure, ECC errors, module init failure, and hardware failure during system initialization. When there is failure, the system
automatically reboots in an infinite loop until the failure is resolved. Repetitious reboot cycles consume CPU resources, power, and result
in unwanted IPC traffic to the MP.
When the system detects the continuous reboot of a line card, that line card is placed into interactive or down state mode after ten (10)
consecutive reboot cycles, and a failure message is sent to the MP.
FPGA Image Mismatch
A version mismatch between FPGA applications and hardware results in system failure and continuous reboot on every module
initialization failure. The Rolling Reboot feature places the line card into the interactive or down state mode on detection of an FPGA
version mismatch.
This feature will detect the incompatibility between application FPGA version and Hardware FPGA version and put the card into down
state if there is mismatch.
Monitor/Application Image Mismatch
A version mismatch between the monitor and application image results in system failure. The Rolling Reboot feature places the line card
into the interactive or down state mode on detection of a monitor and application image version mismatch.
Line Module Configuration Deletion in Interactive Boot Mode
In this release, line module configurations can be deleted when a module is in Interactive Boot Mode. When an existing LP module is
removed from the slot and replaced by an LP module of a different configuration, the LP module boots up to Interactive Boot Mode due
to a configuration mismatch. The LP module configuration is not allowed to be removed or updated without manual removal of the LP
module.
To avoid physically removing the LP module from the slot and deleting or updating the LP module configuration, the deletion of the LP
module configuration is only allowed if the card is in Interactive Boot Mode. The LP module needs a power cycle to return to the Up
state. On execution of the "No Module" command, the user is prompted with an option to power cycle the card.
Managing switch fabric modules
This section provides information about how to manage standard switch fabric modules and high speed switch fabric modules.
NOTE
In CLI output, standard modules are referred to as generation 1 (G1) modules, and high-speed modules are referred to as
generation 2 (G2) modules. The following interface modules are classified by the system as G2 modules: 8x10G, 100G
modules. All other interface modules such as 4-port 10G, 2-port 10G, 20-port 1G, 24-port 1G, and 48-port 1G modules
are classified by the system as G1 modules.
High speed switch fabric (HSF) modules can operate in Normal mode or Turbo mode. Standard switch fabric modules (SFM) can only
operate in Normal mode. The HSF module is classified as a G2 module and SFM module is classified as a G1 module.
Brocade NetIron MLXe Series Hardware Installation Guide
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Managing switch fabric modules
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