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Chapter 10: SmartPath Operating System (OS)

When a SmartPath AP ships from the factory, it is loaded with a default config file, which acts initially as the running and current

configs. If you enter and save any commands, the SmartPath AP then stores a separate config file as the current config,

combining the default settings with the commands you entered and saved. If you want to return to the default settings, you can

press the reset button or enter the reset config command. A SmartPath AP might also return to the default config if both the

current and backup configs fail to load, which might happen if you update the SmartPathOS firmware to an image that cannot

work with either config.

NOTE: You can disable the ability of the reset button to reset the configuration by entering this command:

no reset-button reset-config-enable

Reverting to the default config can be very useful, especially in the early stages when you are still learning about SmartPathOS

and are likely to be experimenting with different settings. However, retaining the ability of a SmartPath AP to revert to its default

settings after its deployment can present a problem if it is a mesh point in a cluster. If the SmartPath AP reverts to the default

config, it will not be able to rejoin its cluster. Consequently, it will not be able to get an IP address through DHCP nor be able to

communicate with SmartPath EMS VMA (assuming that you are managing it through SmartPath EMS VMA). In this case, you

would have to make a serial connection to the console port on the SmartPath AP and reconfigure its cluster settings through the

CLI.

To avoid the above situation, you can use a bootstrap config. A bootstrap config is typically a small config file that comes last in

the boot order (current – backup – bootstrap) and that replaces the default config as the one a SmartPath AP loads when you

reset the configuration. See Figure 10-6.

NOTE: Be careful to remember the login name and password defined in the bootstrap config file. If they become lost or

forgotten, you must obtain a one-time login key from Black Box technical support. To get the key, you must already

have had a support contract in place

When you enter the reset config command or press the

reset button on the front panel of the SmartPath AP device,

the SmartPath AP deletes the previous current config,

reboots, and loads the bootstrap config— if present—or the

default config.

reset config

Current Config

Bootstrap Config

Default Config

. . . or if there is no bootstrap config . . .

Resetting the Configuration

Current Config

Backup Config Bootstrap Config

Default Config

. . . or if there is no bootstrap config . . .

If the SmartPath AP cannot load either the current or

backup config files, it deletes them, reboots, and loads

the bootstrap config— if present—or the default config.

Configuration Failover Behavior

Failover Failover

Figure 10-6. Relationship of current, backup, bootstrap, and default config files.

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