Release Notes
New Features:
1. Added support for NAT Traversal.
2. Added compatibility with Omada Config Tools V2.0.
3. Added support for Private VLAN.
4. Added support for Lightweight DHCPv6 Relay Agent (LDRA).
5. Added IGMP Snooping VLAN SSDP Flood to ensure that packets destined for multicast group 239.255.255.250 (commonly used for SSDP service discovery) are always flooded.
6. Added Extend Mode for non-PoE models.
7. Added support for configuring VLAN Isolation via SNMP.
8. Added a CLI command to display Spanning Tree Topology Change Notification (STP TCN) statistics for each port.
Enhancement:
1. Supported common MAC address formats for MAC address input fields.
2. Supported configuring 802.1X authentication in MAB-only mode.
3. Supported disabling DNS Adoption to meet specific network management requirements.
4. Optimized the fan status log reporting frequency.
5. Improved LLDP protocol compatibility.
6. Added system self-healing recovery capability to enhance long-term device stability.
7. Improved management link reliability.
8. Improved STP module reliability and optimize the stability of Spanning Tree operation.
9. Optimized the display logic for VLAN Interface Down events.
Bug Fixes:
1. Fixed the issue where SNMP nodes Q-BRIDGE-MIB and BRIDGE-MIB did not comply with protocol specifications.
2. Fixed the issue of wired client loss in abnormal scenarios.
3. Fixed an issue where MAC address table entries for ports other than a specific port could not be displayed via CLI.
4. Fixed an issue where SG3428X-M2 v1.30 reported Switch Fan Failure while the fan LED indicated normal status.
Firmware Download
Before the Upgrade
(1) Please be sure you have read the Beta Test Agreement before upgrading the Beta firmware!
(2) You may follow the following guide to upgrade your Omada devices. How to Upgrade/Downgrade Omada Switches
Firmware Download Link
You can download the TP-Linkmibs to work with your switch to experience more features.
Notes:
(1) We recommend using Find in Page (Ctrl/Command+F) to locate the exact model you have to ensure the correct firmware is installed.
(2) Your device’s configuration won’t be lost after upgrading.
Additional Information
All feedback is welcome, including letting us know about successful device upgrades.
If somehow you encounter an issue during or after the upgrade, it's suggested to contact us with the following info:
- Omada Controller version if you have any.
- Device Firmware version with Build number (previous and current)
If your model gets bricked during the firmware upgrade, you may follow the guide below to recover the firmware.
Configuration Guide How to Upgrade/Downgrade Omada Switches
Update Log
May, 8th, 2026
Update all remaining models with firmware from the same batch as April 29th.
So the updated content is the same.
April, 29th, 2026
Update the following versions:
Update content: please check the red part of the release notes.
April, 1st, 2026
Add the following firmware versions:
March, 27th, 2026
Release of this article.
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Honest mistake - especially when the filename doesn't reflect the v1.20 properly (SG3210X-M2v1_en_1.20.2_[20260313-rel5962]_up.bin) - with so many versions of HW and FW combinations - even seasoned professionals can make this mistake!!