SG3428XF(UN)_V1.26_1.20.7 Build 20250307

Version Info:
Firmware for SG3428XF(UN) 1.20. This firmware is fully adapted to Omada Controller 
V5.15.8.
New Features:
1. Add support for OUI-Based VLAN.
2. Add support for route unknown for IGMP Snooping and MLD Snooping.
3. Add support for SNMPv3 AES encryption.
4. Add support for displaying MAC status of the address through SNMP.
Enhancements:
1. Optimize IGMP snooping and MLD snooping drop unknown configuration.
2. Spanning tree is now enabled by default.
3. LAG will now display total aggregated bandwidth.
4. Optimized log port description.
Bug fixed:
1. Fixed the issue of client authentication failure in specific scenarios.
2. Fixed the linkage problem of aggregation group and port isolation under specific 
configuration.
3. Fixed the issue of frequent DNS request for NTP server under specific scnarios.
4. Fixed the SNMPv3 security level restriction access problem