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How to Upgrade Juniper SRX

In this case, I will be upgrading an SRX210H. This step is rather straight forward and If you require further clarification, please refer to the appropriate guide from Juniper Network’s Website.

First of all, Copy the JunOS Software into a USB FAT32 Formatted drive.

Go into the Shell prompt by issuing the command nish@iNET> start shell if you are not already in there

Check the devices to see before plugging in the USB Drive containing JunOS.

Plug in the USB Drive and you should see a similar message. As you can see the Device is da1

Issue the following command again to see the partitions. This shows the JunOS is in /dev/da1s1 partition.

Make the following Directory /var/tmp/Flash and mount /dev/da1s1 in there.

Check and confirm the file, then copy JunOS into /var/tmp

Go into CLI root@iNET% cli and issue the command

If all goes well, it should reboot with the newly install JunOS

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