Backup config file
The backup config file feature is transparent. After writing the configuration file to FLASH, the
switch writes to the primary configuration block, updates the CRC16 checksum to the Multi
Configuration area, and then saves the same information to the auxiliary configuration block.
After the switch boots, if it detects that the primary configuration file is corrupted (checksum
mismatch), it logs a message to the system log. The switch then attempts to load the secondary
configuration file if the checksum is correct on the auxiliary configuration block and logs a
message to the system log.
If both primary and auxiliary configurations blocks are corrupted, the settings are restored to
default and a message is created in the system log.
You can check the system log for messages indicating that a configuration block is corrupted.
The following are examples of system logs you may encounter:
•
Error loading primary configuration block <block number>
•
Error loading backup configuration block <block number>
•
Backup configuration block <block number> is in use
•
Configuration files are corrupted. Restored to default
The following messages are loaded to the engineering log menu:
•
Backup configuration restored from primary configuration block
•
Backup configuration updated for next active configuration block
ASCII download log enhancement
The purpose of the ASCII Download Log feature is to log messages for describing the result
of the ASCII Configuration File download, especially the failed commands, as informational
customer messages.. You can log four hundred customer messages in Dynamic random
access memory (DRAM).
The informational messages logged for describing the result of the ASCII Configuration File
download are :
• Connection error (ACG_DOWNLOAD_ERROR)—the connection failed and the ASCII
configuration file can not be accessed or used. The message contains the cause of the
error. The interface you use to start the ASCII file download does not matter. The logged
message is the one from ACLI. The system logs an ACG_DOWNLOAD_ERROR error
message for the following situations:
Troubleshooting tools
34 Troubleshooting Avaya ERS 4000 Series April 2014
Comments? infodev@avaya.com
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