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34 AR700 Series Router
C613-03087-00 Rev E
power cycle, the dynamic configuration must be saved as a configuration
script, using the create config command.
When the router starts up following either a power cycle or an operator-
initiated reboot (using the restart command), it performs the following
sequence of operations:
1. Perform start-up self tests.
2. Load the flash boot block version as the INSTALL boot into the router’s
RAM.
3. Prompt the manager for changes to the default start-up procedure:
Force EPROM download (Y)?
The manager may press one of the keys listed in Table 4 on page 35 to
override the default installation procedure.
4. Check the INSTALL information to determine which version to load and
run, according to the INSTALL parameters, and the manager’s response to
the previous prompt. If none of the keys in Table 4 on page 35 are pressed,
the INSTALL parameters determine which version and patch are loaded
and run.
5. Load the required version specified by the INSTALL parameters from the
flash file system as the main boot.
6. Start the router.
7. Execute the boot configuration script, if one has been configured. (The boot
configuration script is either a configuration file set using the set config
command from the Managing Configuration Files and Software Versions
chapter, or the file boot.cfg file, if there is one.)
A series of start-up messages is sent to asyn0 (the console or terminal port).
Figure 11: Example of router start-up messages on an AR750S
After the self tests are complete, the manager is given the option of forcing a
mandatory boot from the flash boot block version. The following message is
displayed on the terminal connected to the console port (asyn0) and the router
pauses:
Force EPROM download (Y)?
If a key is not pressed within a few seconds, the start-up process continues and
all steps in the start-up sequence are executed. Pressing selected keys on the
terminal immediately after the “Force EPROM download” message is
INFO: Self tests beginning.
INFO: RAM test beginning.
PASS: RAM test, 65536k bytes found.
INFO: Self tests complete
INFO: Downloading router software.
Force EPROM download (Y) ?
INFO: Initial download successful
INFO: Initialising Flash File System.
INFO: IGMP packet trapping is active for IGMP snooping, L3FILT
is activated
INFO: Executing configuration script <flash:boot.cfg>
INFO: Router startup complete
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