You can install the Junos OS using the Trivial File Transfer Protocol (TFTP) method. The device is shipped with the Junos OS loaded on the primary boot device. During the Junos OS installation from the loader, the device retrieves the Junos OS package from a TFTP server. The internal media is then formatted, and the Junos OS image is installed.
From the loader installation, you can:
Install the Junos OS on the device for the first time.
Recover the system from a file system corruption.
Note: Installation from a TFTP server can only be performed using the first onboard Ethernet interface.
Installation from the loader-over-TFTP method does not work reliably over slow speeds or large latency networks.
Before you begin, verify that:
You have access to the TFTP server with the Junos OS package to be installed.
That the TFTP server supports BOOTP or DHCP. If the TFTP server does not support BOOTP or DHCP, you must set the environment variables before performing the installation from the TFTP server.
Functional network connectivity exists between the device and the TFTP server over the first onboard Ethernet interface.
To install the Junos OS image on the internal media of the device:
To access the U-boot prompt, use the console connection to connect to the device.
netapp01> nis info
NIS domain is cloud.linuxmoz.com
NIS group cache has been enabled
The group cache was last updated on Mon Apr 29 02:00:12 BST 2013
IP Address Type State Bound Last Polled Client calls Became Active
-----------------------------------------------------------------------------------------------------------
192.168.75.4 PREF ALIVE YES Mon Apr 29 08:05:35 BST 2013 0 Fri Mar 1 21:16:37 GMT 2013
192.168.75.5 PREF ALIVE NO Mon Apr 29 08:05:35 BST 2013 0 Fri Mar 1 15:46:37 GMT 2013
NIS Performance Statistics:
Number of YP Lookups: 2801489626
Total time spent in YP Lookups: 541818971 ms, 813 us
Number of network re-transmissions: 2130
Minimum time spent in a YP Lookup: 0 ms, 0 us
Maximum time spent in a YP Lookup: 10064 ms, 679 us
Average time spent in YP Lookups: 0 ms, 193 us
3 Most Recent Lookups:
[0] Lookup time: 0 ms, 1 us Number of network re-transmissions: 0
[1] Lookup time: 0 ms, 1 us Number of network re-transmissions: 0
[2] Lookup time: 0 ms, 1 us Number of network re-transmissions: 0
NIS netgroup (*.* and *.nisdomain) cache status:
Netgroup cache: ready
*.* eCode: 0
*.nisdomain eCode: 5
NIS Slave disabled