https://community.extremenetworks.com/t5/firmware/looking-for-enterasys-securestack-b5g124-24p2-firmware-xmodem/m-p/122979#M336 <P class="">Hello everyone,</P><P class="">I am looking for a firmware image for an Enterasys SecureStack B5G124-24P2 switch that I would like to recover for use in an educational networking laboratory in Brazil.</P><P class="">The switch is currently stuck in the Boot Menu and displays the following errors:</P><P class="">Could not open Operational Code file.<BR />Operational code prohibited from starting.<BR />ERROR: Operational code CRC is not valid.</P><P class="">Boot Menu Version: 02.02.15 (04-25-2012)</P><P class="">The bootloader is working correctly, and I have access to the serial console. The Boot Menu provides an option to load new operational code using XMODEM.</P><P class="">Unfortunately, I do not have the original firmware file.</P><P class="">Does anyone still have a compatible B5-Series firmware image for the B5G124-24P2 that they could share, or know where I can download it?</P><P class="">I am a professor at a federal educational institution in Brazil, and I would like to bring this switch back to life so that my students can continue using it in their computer networking classes.</P><P class="">Any help would be greatly appreciated.</P><P class="">Thank you!</P> Tue, 10 Nov 2026 23:22:08 GMT kwecko 2026-11-10T23:22:08Z https://community.extremenetworks.com/t5/firmware/looking-for-enterasys-securestack-b5g124-24p2-firmware-xmodem/m-p/122979#M336 <P class="">Hello everyone,</P><P class="">I am looking for a firmware image for an Enterasys SecureStack B5G124-24P2 switch that I would like to recover for use in an educational networking laboratory in Brazil.</P><P class="">The switch is currently stuck in the Boot Menu and displays the following errors:</P><P class="">Could not open Operational Code file.<BR />Operational code prohibited from starting.<BR />ERROR: Operational code CRC is not valid.</P><P class="">Boot Menu Version: 02.02.15 (04-25-2012)</P><P class="">The bootloader is working correctly, and I have access to the serial console. The Boot Menu provides an option to load new operational code using XMODEM.</P><P class="">Unfortunately, I do not have the original firmware file.</P><P class="">Does anyone still have a compatible B5-Series firmware image for the B5G124-24P2 that they could share, or know where I can download it?</P><P class="">I am a professor at a federal educational institution in Brazil, and I would like to bring this switch back to life so that my students can continue using it in their computer networking classes.</P><P class="">Any help would be greatly appreciated.</P><P class="">Thank you!</P> Tue, 10 Nov 2026 23:22:08 GMT https://community.extremenetworks.com/t5/firmware/looking-for-enterasys-securestack-b5g124-24p2-firmware-xmodem/m-p/122979#M336 kwecko 2026-11-10T23:22:08Z