In order to prevent the Juniper Firewall equipment failure in the case of network interruption, to ensure the uninterrupted operation of the user business, the Juniper Firewall is the case of the rapid recovery of the specific description.
Juniper Firewall configuration Backup, device restart: Juniper Firewall during the work during the run exception, if you need to system reset, the console cable can use the Reset command to restart the firewall, during the restart can be seen on the operating terminal firewall-related boot information.
Juniper Firewall Configuration Backup second, operating system backup: During routine maintenance, you can back up the firewall operating system ScreenOS to a local device by starting the TFTP server and executing at the command line: Save software from Flash to TFTP x.x.x.x filename.
Juniper Firewall Configuration Backup III, operating system recovery: When the firewall work is abnormal, there are two ways to quickly restore the firewall operating system, command-line: Save software from tftp x.x.x.x filename to Flash, or through the Web: Configuration > Update > Screenos/keys Select Firmware Update (screenos) option, and in the Load file bar, select the ScreenOS file saved locally, Then click the Apply button, the firewall will automatically restart after uploading the ScreenOS.
Juniper Firewall Configuration Backup Four, configuration file backup:
During routine maintenance, you can back up your firewall configuration information locally to facilitate recovery in the case of a failure, operating in three ways:
1. Start the TFTP server and execute it at the command line: Save config from flash to tftp x.x.x.x filename.
2, through the Super Terminal remote TELNET/SSH to the firewall, through the log log to record the Get config information to the local.
3. Profile backup via Web page: Configuration > Update > Config file, click Save to file.
Juniper Firewall Configuration Backup V, profile recovery:
Firewall current configuration information if there is an error, the need for rapid recovery of configuration information, operating in three ways:
1, start the TFTP server and execute at the command line: Save config from tftp x.x.x.x filename to flash, the configuration file upload needs to perform reset command to restart.
2. Profile recovery via Web page: Configuration > Update > Config file, select the Replace current Configuration and choose the backup configuration file for recovery from the local device. When you click Apply, the system will reboot to take effect on the new configuration.
3, through the HyperTerminal remote Telnet/ssh to the firewall, through the unset all command to clear the firewall configuration, and restart, after the restart of the backup configuration command to paste into the firewall.
Juniper Firewall configuration Backup of the six, restore factory value: Console cable connected to the firewall, through the Reset command to restart the firewall, and use the firewall's 16-bit serial number as the account/password for landing, you can quickly restore the firewall configuration to the factory value.
Juniper Firewall Configuration Backup VII, hardware failure handling:
When a firewall fails, and the configuration and ScreenOS software failures have been eliminated, you can switch to the standby device through NSRP to restore the network operation and further locate the hardware failure. The switch mode is 1, unplug the upper and lower line network cable of the main firewall (only if the device is powered off, you need to unplug the HA connection of the device), the firewall will automatically make the primary standby switch. 2, or on the main device execution: EXEC NSRP vsd-group ID 0 mode backup, manually perform firewall master switch.
Juniper Firewall configuration Backup of the eight, equipment repair (RMA): If the Juniper Company to confirm the hardware failure of the firewall, please contact the equipment agent in time. Equipment agents will be in accordance with the repair process, by the Juniper Company warranty period of damaged parts or equipment for RMA (equipment repair).
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