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Forum Discussion
biased99
Aug 12, 2016Aspirant
Prosafe GSM7224r cannot access either via IP or Serial
Hi all, First post so go easy. I bought what turned out to be two GSM7224r switches from a local auction house (listed as one lot). Powered both up, and was able to have my machine "see" both (a...
- Aug 16, 2016
Last update:
I was able to successfully flash both switches with newer firmware, and now both will successfully boot/can be managed.
I stunbled across this guide https://community.spiceworks.com/how_to/2923-what-to-do-when-my-managed-switch-does-not-boot, which was quite helpful.
One point to note is that I could not get the switches to save settings when I tried to "up" the baud rate from the default 9600 to, say 38400. I would configure the switch (via the partially corrupted boot menu, option 2, I believe), and then disconnect/reconfigure hyperterminal to match those settings, but when I tried to login again, it would not connect. Rebooting the switch "reset" it back to the default 9600 baud rate. This meant that flashing it with 6-7Mb of firmware took a reasonable length of time - ~3.5 hours. Something to keep in mind.
Hopefully someone else might find this helpful if they acquire similar switches which have been over-zeaously sanitised, and they don't know where to start.
biased99
Aug 12, 2016Aspirant
Update: I've been able to connect with a (new) null-modem cable.
It appears that someone has been a little over-zealous when sanitising the switches. In effect, they've deleted the boot code, so the switches won't actually boot...I also believe that the operational code has been tampered with/deleted.
So, the question becomes, where do I source relevant boot code for the device, and how do I upload it (via XMODEM?). I'm guessing that once that is done and I can get it to boot, I "should" be able to apply the latest firmware to it, thus updating the operational code at the same time...?
Suggestions?
- biased99Aug 16, 2016Aspirant
Last update:
I was able to successfully flash both switches with newer firmware, and now both will successfully boot/can be managed.
I stunbled across this guide https://community.spiceworks.com/how_to/2923-what-to-do-when-my-managed-switch-does-not-boot, which was quite helpful.
One point to note is that I could not get the switches to save settings when I tried to "up" the baud rate from the default 9600 to, say 38400. I would configure the switch (via the partially corrupted boot menu, option 2, I believe), and then disconnect/reconfigure hyperterminal to match those settings, but when I tried to login again, it would not connect. Rebooting the switch "reset" it back to the default 9600 baud rate. This meant that flashing it with 6-7Mb of firmware took a reasonable length of time - ~3.5 hours. Something to keep in mind.
Hopefully someone else might find this helpful if they acquire similar switches which have been over-zeaously sanitised, and they don't know where to start.
- JohnRoAug 16, 2016NETGEAR Employee Retired
Hello biased99,
Thank you for this very useful information. I'm sure this will help other users if they experience the same issue. We encourage you to mark the appropriate post as the “Accepted Solution” so others can be confident in benefiting from the solution. The Netgear community looks forward to hearing from you and being a helpful resource in the future!
Thanks,
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