Juniper EX4100 Hardware Manual page 187

1. Press the Factory Reset/Mode button for 10 seconds. The switch transitions into factory-default
configuration, the console displays committing factory default configuration, and the Link/Activity
LED on the RJ-45 network ports and the uplink ports is lit steadily green.
2. Press the Factory Reset/Mode button for 10 more seconds. The switch transitions into initial setup
mode, the console displays committing ezsetup config, and the Link/Activity LED on the RJ-45
network ports and the uplink ports blink green.
Note that you can also press the Factory Reset/Mode button continuously for 10 seconds + 10
seconds, totalling over 20 seconds to commit factory default configuration as well as commit ezsetup
config.
The Factory Reset/Mode button is enabled by default. You can disable the button using the CLI.
To disable the Factory Reset/Mode button, run the following commands:
1. [edit]
user@switch# set chassis config-button no-clear
2. [edit]
user@switch# commit
To enable the Factory Reset/Mode button, run the following commands:
1. [edit]
user@switch# delete chassis config-button no-clear
2. [edit]
user@switch# commit
RELATED DOCUMENTATION
Connecting and Configuring an EX Series Switch (CLI Procedure)
Connecting and Configuring an EX Series Switch (J-Web Procedure)
Understanding Configuration Files
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