Recommendation to keep GS1900 operating on V2.70 firmware

Zyxel_Jonas · February 2023

Zyxel recommends GS1900 switches with the serial number of S21XXXXXXXXXX (or later) to operate on V2.70 firmware (minimum) for compatibility issues across multiple hardware revisions. Attempting to operate with prior firmware will encounter system failure in powering up powered devices. The first step of recovery is to upgrade to V2.70 firmware to check if the switch returns to normal operation to power up connected powered devices.

If your switch can only forward traffic without performing PoE operation after returning to V2.70 firmware, please contact your local support for RMA process.

For European residents, please visit this link:
https://support.zyxel.eu/hc/en-us/articles/360002463234-How-do-I-apply-for-an-RMA-number

mMontana · February 2023

Might be useful to keep a copy of the firmware available and specified for this kind of issue.

Zyxel_Melen · February 2023

Hi @mMontana,

Thanks for the advice.

However, the issue is that the new GS1900 is using 2.70 firmware when it's manufacturing, and the issue occurs after the user trying downgrade to 2.60 firmware.

If any user purchases a new GS1900 and wants to upgrade firmware, please upgrade to 2.70 firmware or above.'

Zyxel_Melen · February 2023

GS1900 series switch V2.70 patch 3 firmware:

mMontana · February 2023

Why not in the download page of the product?

I mean… Now i know after more than two years that into zyxel Forum/community/marketing site i can find some useful resources. But as newbye Zyxel buyer (end user or technician) I'm not sure I'd look for resources outside the “download section” of the official site.

Once there was FTP site, but Zyxel slayed it…

Zyxel_Melen · March 2023

Hi @mMontana,

Thanks for the suggestion.

We will consider it.

nielsscheldeman · May 2023

https://community.zyxel.com/en/discussion/comment/48983#Comment_48983

The FTP Site was great… I second that!

electsystech · February 22

What about firmware for GS1900-24HP ?

electsystech · February 22

Looks like the v2 firmware works for v1.

danyedinak · May 14

https://community.zyxel.com/en/discussion/comment/62399#Comment_62399

Which v2 firmware version did you find that works for rev A1?

electsystech · May 20

The link for the GS1900-24HPv2 https://download.zyxel.com/GS1900-24HPv2/firmware/GS1900-24HPv2_2.70(ABTP.3)C0.zip

Recommendation to keep GS1900 operating on V2.70 firmware

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