Chapter 9
Booting the System
This chapter provides information about booting your E Series router.
NOTE: The type of file you must always use for booting your system is a software
release file with the extension .rel.
This chapter contains the following sections:
■ Platform Considerations on page 509
■ Configuring Your System for Booting on page 509
■ Rebooting Your System on page 514
■ Operations in Boot Mode on page 517
■ Displaying Boot Information on page 517
Platform Considerations
System booting is supported on all E Series routers.
For information about the modules supported on E Series routers:
■ See the ERX Module Guide for modules supported on ERX7xx models, ERX14xx
models, and the ERX310 Broadband Services Router.
■ See the E120 and E320 Module Guide for modules supported on the E120 and
E320 Broadband Services Routers.
Configuring Your System for Booting
Juniper Networks delivers your E Series router already set up with a factory default
configuration and a software release (.rel) file. You can, however, create a new
configuration file (.cnf) and select a different software release file to use in future
reboots of your router. When you reboot your router, you can use:
■ An existing configuration file to be used each time the system reboots
■ An existing configuration file limited to a single reboot
■ An existing script file to be used on only the next reboot
Platform Considerations ■ 509
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