: Optimization of SNMP operations to prevent crashes and faster RSTP convergence after reboots.
: Some updates (e.g., V2.20 to V2.30) actually change how the hardware version is reported in the software to align with the Omada SDN ecosystem . 2. Recent Firmware Highlights (2024–2026) tl-sg3428 firmware
: Support for RSPAN , DHCP Option 43 , and VLAN-specific port isolation . : Optimization of SNMP operations to prevent crashes
: Log in to the management page; the hardware and current firmware versions are typically listed at the bottom or under System > Firmware Upgrade . DHCP Option 43