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Nortel Networks 5399 Access Switch Hardware Installation Guide
Chapter 4 Troubleshooting Procedures
4-20
There are two methods of writing the EEPROM information to the host
file:
• Whenever a change is made to EEPROM, a 5 minute timer is
started. When the timer expires, the contents of the
EEPROM memory are copied to an internal buffer in the
Remote Access Concentrator RAM and encrypted. The file
is then transferred to the host specified in the configuration
parameter pref_dump_addr. The filename used to store the
EEPROM information on the host is params.n.n.n.n (where
n.n.n.n istheIPaddressoftheRemoteAccess
Concentrator).
• In addition, writing the EEPROM information to the host
can be forced (bypassing the 5 minute timer) by using the
Remote Access Concentrator’s superuser cp -e command.
This can be done at any time and typically is done if you
have just completed making changes to one of the
configuration files or some of the configuration parameters.
It will be necessary to configure the replacement Remote Access
Concentrator to define the LAT key, because it isn’t restored during a hot
swap.
For the hot swap to be successful, the module being replaced and the new
module must both be registered for the same software options.