Installing Software In Boot Mode; Task 1: Obtain The Required Information; Task 2: Divert Network Traffic To Another System; Task 3: Access The Boot Mode - Juniper SYSTEM BASICS - CONFIGURATION GUIDE V 11.1.X Configuration Manual

Installing Software in Boot Mode

To install the software in Boot mode, you must access the CLI via the local console.
To install the software, perform the following tasks. (See Table 14 on page 137.)

Table 14: Software Installation Procedure in Boot Mode

Task 1: Obtain the Required Information

Before you install the software, obtain the following information:

Task 2: Divert Network Traffic to Another System

The system will be unavailable during the installation process.

Task 3: Access the Boot Mode

To access Boot mode from the local console:
1.
2.
The system reboots. The reboot might take longer than normal because line
modules initialize with the old version of the software, acquire the new version
from the SRP module, and reinitialize. When you observe the LEDs on the line
modules, the line modules appear to boot twice.
1. Obtain the required information for the installation.
2. For routers that are currently operating, divert network traffic to
another router.
3. Access the Boot mode.
4. Assign an IP address to the router.
5. Configure access to the network host.
6. Reset the SRP module.
7. Copy the release files to the network host.
8. Copy the software release file to the router.
9. Reboot the system.
The IP address of the network host
The IP address of the router
The IP address of the next hop to reach the destination network (for example,
a gateway)
The login name and password for the FTP server
The procedure for copying the release files to the network host
At the Privileged Exec prompt, type the reload command.
Information on the reloading process appears.
When the countdown begins, press the key sequence mb.
Chapter 3: Installing JUNOSe Software
Installing Software When a Firewall Does Not Exist
137