
When you commit changes to the configuration, a new configuration file is created that becomes the
active configuration. You can always revert to the factory default configuration (see
Reverting to the
Default Factory Configuration for the EX Series Switch
).
This topic shows the factory default configuration file of an EX9253 switch:
system {
commit {
factory-settings;
}
syslog {
user * {
any emergency;
}
file messages {
any notice;
authorization info;
}
file interactive-commands {
interactive-commands any;
}
}
}
Connecting and Configuring an EX9253 Switch
Before you begin to connect and configure the switch, gather the following information:
• Name the switch will use on the network
• Domain name the switch will use
• IP address and prefix length information for the Ethernet interface
• IP address of a default switch
• IP address of a DNS server
• Password for the root user
The EX9253 switch is shipped with the Junos OS preinstalled and ready to be configured when the
switch is powered on. There are two 16-MB internal NAND Flash memory devices located on the
104