If you modify a configuration file, the changes remain in effect only during the current power cycle unless a save command is executed. Changes are lost if the system is powered down or the router is rebooted without saving:
Specify the file URL location to save the running configuration. If a destination is not specified, the files are saved to the location where the files were found for that boot sequence. The same configuration can be saved with different filenames to the same location or to different locations.
The detail option adds the default parameters to the saved configuration.
The index option forces a save of the index file.
Changing the active and standby addresses without reboot standby CPM may cause a boot-env synchronization to fail.
Use the following command syntax to save a configuration.
bof# save [cflash-id]
A:ALA-1# bof
A:ALA-1>bof# save cf1:
A:ALA-1>bof#
Use the following command syntax to save the system configuration.
admin# save[file-url][detail][index]
A:ALA-1# admin save cf1:\test123.cfg
Saving config.# Saved to cf1:\test123.cfg
... complete
A:ALA-1#
If the persist option is enabled and the admin save file-url command is executed with an FTP path used as the file-url parameter, two FTP sessions simultaneously open to the FTP server. The FTP server must be configured to allow multiple sessions from the same login; otherwise, the configuration and index files will not be saved correctly.