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Restart loop after firmware downgrade

unknown

Hi all

I recently bought a R710 running unleashed. Initially everything was working. However I was experiencing bad throughput and read somewhere on here that I could try to install an older firmware. So I installed/downgraded to https://support.ruckuswireless.com/software/1944-ruckus-unleashed-ap-200-7-10-2-339-ga-software-for-r710 on it.

But now the device seems stuck in some loop like so:

1. Red light for a while

2. Green light blinks

3. Constant green light

At this point I can reach the device and see the message "Building the Unleashed Network. It may take a few minutes.". But after a short (3-5 seconds) while it seems like the device reboots and goes back to step 1, at which point it can no longer be reached, then step 2 and so on.

Any idea on what I can do? I have tried factory resets with no luck.

Br.

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unknown

I assumed this was a safe operation since according to the release notes the R710 is supported and further states:

Admins should be careful not to accidentally downgrade an AP to an Unleashed build that does not support that AP model. If this does happen, the AP will reboot 5-7 times and then revert to the previous image. [UN-1688]

I assume this is not what is happening as my R710 has been restarting for well over 4 hours now (with each cycle taking ~2 minutes).

sarita_shekhar

Hello Emil,

Thanks for reaching out to Ruckus. I am from Ruckus Technical team.

We usually do not suggest a downgrade until it is really necessary.

What was AP's previous version?

How many AP's do you have connected to the Unleashed network?

You may have to perform a factory default on the AP, however, you will lose the current configuration.

Factory Reset procedure:-

1. Use a paperclip

2. AP should be powered ON

3. Press and hold the reset pinhole for 30-40 long secs.

4. If there is a DHCP on the network, the AP will request the IP from the DHCP.

5. If no DHCP on the network, the AP will be accessible on the default IP 192.168.0.1. Have a laptop directly connected to the AP/same switch and assign a static IP on the network interface to 192.168.0.x subnet to access the AP.

6. Run the setup and re-built the Unleashed network from the beginning.

7. Note the backup works on the respective version on which it was taken.

Sarita Shekhar (CCNA/CWNA)

Sr. Technical Support Engineer

My Work Hours: 8 AM to 5 PM GMT

“Got questions? We have answers—the How-to-hub.”

now meets next

unknown

The previous version was 200.10.10.5.253 and its the only ap on the network.

I have tried the factory reset procedure you describe multiple times without any luck. I see the power led flash red and green very fast for a couple of seconds and then it just continues the reboot loop.

Any other ideas I can try?

unknown

It also seems like the factory reset process is interrupted by the reboot.

sarita_shekhar

Hello Emil,

Looks like a downgrade has corrupted the AP completely.

If at all you have SSH access to the AP (even for a short duration):-

You can try upgrading the AP firmware and reflash the firmware through CLI (you have to be quick as the AP is rebooting continuously):

Note: You either need TFTP/FTP server installed on the lapmargin: 0;">

https://support.ruckuswireless.com/software/2666-ruckus-unleashed-ap-200-7-10-202-121-mr-refresh5-software-for-r710

Commands:

FTP:-

fw set host <FTP_SERVER_IP>
fw set proto ftp
fw set user test
fw set password test@123
fw set control R710_200.7.10.202.121.bl7
fw update
reboot

TFTP:-

fw set host <TFTP server IP address>
fw set proto tftp
fw set port 69
fw set control R710_200.7.10.202.121.bl7
fw update
reboot

If you cannot SSH to the AP at all, then it's gone faulty and need replacement.

Regards,
Sarita Shekhar | Senior Technical Support Engineer,
https://support.ruckuswireless.com/contact-us

syamantakomer

Hi @emil_k ,

If you are not able to recover AP with factory reset, you may open a case with support and request for replacement.

I hope you are following the factory reset procedure correctly (pushing and holing reset button for at least 12 seconds).

unknown

Hi Sarita an Syamantak

I am performing the factory reset exactly as described. But unfortunately it seems like the process is interrupted by the continuous restarts.

Just as expected I am able to access the AP for about 5 seconds after it has booted (ssh, web etc.) and before it reboots again. However thats nowhere near enough time to complete a firmware upgrade.

I am the second owner of the unit and thus per https://support.ruckuswireless.com/articles/000001652 it seems I have no other options. Is that correct?

Koby

I have the same things with A550 and all these steps don't work and it keeps rebooting.