Bootloader - Kontron CP6924-1 User Manual

Standard fabric 6u compactpci gigabit ethernet switch
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CPU load
Suppress MAC learning
Fast Reload
Memory Usage
L2 port bridge
Port blocking mode
BPDU forwarding
Suppress MAC learning
kex_oem
Customer specific information
OEM serial number
OEM hardware part number
OEM software part number
OEM software configuration
kex_phy
SFP/SFP+/QSFP information
Status (present), auto/isolate/auto-configuration mode, Ethernet protocol, LOS/Transmit-Fault
EEPROM content
Present trap
kex_ref
basic Kontron Information
kex_sensor
common sensor list
kex_version
FASTPATH version
Chip information
Address information (GA/SGA address)
Board information (name, part-number, serial-number, manufacturer, MAC address)
Firmware versio0n (e.g. PLD) and write protect status
System and IPMI release
To use the MIBs, you must import the MIBs into the MIB browser. The MIBs are provided on demand for current releases.
SNMP can also be used for updating System Software, IPMI FW and PLD.
4.3

Bootloader

On the CP6924-1 Ethernet Switch, the bootloader 'u-boot' (universal bootloader) is used. The bootloader initializes the
main components of the system like Unit Computer, DDR2 RAM, serial lines etc. for operation and performs a power on self
test (POST). After these steps have been finished, kernel and application are started from flash.
The bootloader software consists of two parts, boot firmware and boot monitor. The boot firmware is stored in the write-
protected boot sector of the flash device. It mainly checks the integrity of the boot monitor image by calculating a CRC
checksum and jumps into the boot monitor if the checksum is valid.
In case the boot monitor image is corrupted for some reason, the boot firmware switches into a CLI with reduced function
set and tries to recover the boot monitor.
54
CP6924-1 User Guide
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