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Juniper SRX240 USB disk upgrade junos

Shulou Source: shulou.com Published: 2022-06-01 02:06:33 10月04日 Update

The company needed to upgrade two HA Juniper os from 12.1 to 12.3, and because there was no business at night, all were upgraded offline.

Juniper Upgrade Steps

Preparation: USB flash drive 1 FAT32 format

Download the new version of junos-srxsme-12.3X48-D25.3-domestic.tgz file to USB flash drive

Starting upgrade:

Backup: #save filename(backup name)

Back up view: file list

Since there is no business at night, it doesn't matter. Pull out two HA lines.

SZF01: Insert USB drive, mount USB drive.

>startshell

%mount-t msdos /dev/tmp/usb /mnt

Starting upgrade:

%cli

>requestsystem software add /mnt/junos-srxsme-12.3X48-D25.3-domestic.tgz no-copy no-validatereboot

Wait for the upgrade to complete, check the version after restarting

>show version

SZF00: Insert USB drive, mount USB drive.

>startshell

%mount-t msdos /dev/tmp/usb /mnt

Starting upgrade:

%cli

>requestsystem software add /mnt/junos-srxsme-12.3X48-D25.3-domestic.tgz no-copy no-validate reboot

Wait for the upgrade to complete, check the version after restarting

>show version

Plug in two HA cables and check RG

>show chassis clusterstatus

And common business inspections

Backup restore: #load overwrite filename