Junos OS

Hello.  I have an SRX that will not boot.  I made the mistake of upgrading from 9.6 to 10.4 without first going to 10.0.  Now, the SRX will not boot up and just goes to a => prompt.  I've tried several of the commands to no avail.  Most recently, I have tried 'tftpboot' which seems to have set ge-0/0/0 with IP address 192.168.168.218 and it's looking for the tftp server 192.168.168.9.  The file it's looking for is DAA8A8C0.img.  Does anyone know what this file is and where I can get a copy? 

Or, has anyone succesfully returned from this 'no elf image' error message?

Help is greatly appreciated!

Thank you,

-Jared

Below is a link with step-by-step instructions for how to install Junos on an SRX devices, using a tftpserver.  This will format the internal media.  I've not personally done/tested this procedure.  But, hopefully it will help you recover.

http://www.juniper.net/techpubs/software/junos-security/junos-security10.4/junos-security-admin-guide/index.html?section-srx-series-tftp-loader.html#section-srx-series-tftp-loader

Regards,

Ben

Hi Ben,  Thanks for the link; it's allowed me to make some progress.  My 210 has no issues getting to the U-boot prompt and I was able to set the tftp environment variables:  ip, netmask, gateway, server ip.  Resetting has never been an issue.  

I cannot access the Loader Prompt.  Rather than getting the message during bootup about "Loading /boot/defaults/loader.conf", mine returns "## No elf image at address 1x00100000" and goes straight back to the u-boot prompt.  

Without the Loader Prompt, the procedure described in the link will not work.

But, now that I know I'm dealing with a corrupt, or missing, Loader Prompt, I can refine my searches to hopefully find a solution.

-Jared

Hello Jared,

to you have access to another SRX? If so then you can create an snapshot on a USB stick and boot your broken SRX from the stick. After this you can push the a snapshot from the stick to the internal memory.

With

request system snapshot media usb

you can create the snapshot on the usb.

Greetings

Joern

It looks like the boot loader image is missing/corrupt.  You can attempt to re-install the boot loader from tftp.  Then you should be able to install the junos image from usb, or tftp.

http://kb.juniper.net/InfoCenter/index?page=content&id=KB14175

This KB articles includes instructions to upgrade the u-boot image, and re-install the boot loader from tftp.  Most likely, you only need to install the boot loader (starts at step 5), and not upgrade u-boot.

If attempts to install the boot loader from tftp also fail. Then I recommend opening a case with JTAC.

Regards,

Ben

Thanks again for the assistance Ben.  That KB is very helpful and will probably solve my issue. However, it references two files that I cannot seem to find anywhere.  Do you know where I can find these files?  u-boot-crc.bin and loader_crc.

From all I've read, the BIOS is corrupted on my SRX210.  And since the BIOS consists of u-boot and loader, I'm confident that reinstalling these files will resolve my problems.

I do have a call out to Juniper support on this; maybe they can send me the files.

-Jared

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@logicjunos wrote:

Thanks again for the assistance Ben.  That KB is very helpful and will probably solve my issue. However, it references two files that I cannot seem to find anywhere.  Do you know where I can find these files?  u-boot-crc.bin and loader_crc.

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It is mentioned in the KB article.

"Also - The JUNOS 10.0 image contains the latest boot loader binaries in the following path: /boot/uboot, /boot/loader."

You can extract it from the junos-srxsme* tarball, available for downlaod on the support page.  Or locate it on another branch-srx.

Regards,

Ben