These are, respectively, the original and current NETGEAR switch management utilities.
To upgrade from the 1.2.4_27_E firmware, I had to first upgrade the "boot code" via Smart Wizard Discovery using the file FS726T_Boot Code_downloaded from NETGEAR.
Recently I was asked to upgrade all our managed NETGEAR switches to the latest firmware to assist with network monitoring and troubleshooting.
We weren't trying to solve a specific problem; we just wanted to make sure we had all the latest features and bug fixes.
Older switches may have to be upgraded in two stages, and for some of them, you may need to hunt down a specific version of the NETGEAR Smart Wizard Discovery software.
This article takes you through the steps required to upgrade the firmware on your Netgear DG 834 Series router.