Loading a configuration onto a JunOS device
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- Copy your config file to a FAT32 formatted USB thumb drive (the drive must contain exactly one partition that stretches over the whole device)
- Boot up the Juniper device and connect to its serial console
- You should see a
root>
prompt- (If, right after login, you already are in shell mode (
root@%
) and theexit
command will only log you out instead of bringing you into command mode (root>
), you can issue thecli
comamnd to get there.)
- (If, right after login, you already are in shell mode (
- Type
start shell
to get theroot@%
prompt - Create a mount directory:
mkdir /mnt/usb
- Plug in the USB drive and mount it:
mount -t msdosfs /dev/da1s1 /mnt/usb
- Type
exit
to exit the shell - From the
root>
prompt enterconfigure
to get into config mode (you'll see aroot#
prompt) - Variant A:
- Use the following command to load the configuration:
load override /mnt/usb/<config file name>
- Use the following command to load the configuration:
- Variant B:
- Type
load override terminal
to paste in configuration commands (the Cisco way) - Type [ENTER] and then [Ctrl-D] to exit load mode
- Type
- Type
commit
to activate the loaded configuration and exit config mode with theexit
command - Unmount the USB drive (
umount /mnt/usb
in shell mode) before unplugging it