Early Access Omada Switch Pre-Release FW Preview for SDN Controller 6.2.X.X (Update on Apr, 29th, 2026)
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
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.
Recommended Threads
Omada_Network_Application_V6.2.x.x Pre-Release Firmware (Released on 11th Feb, 2026)
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Hi @Julian2111
Thanks for the feedback. Did restarting the gateway help?
Before updating to 1.20.21, what's the firmware version for the switch?
As for the firmware update issue, we will test more.
Julian2111 wrote
@Vincent-TP I've deleted the rules and tried to update the switch, but whyever I can not update it. It says updating but after a few minutes the controller just shows "Connected", with the same firmware and says "failed to update device" without any further information.
UPDATE: The updated worked, I just needed to restart the switch before.
Whyever mDNS is still not working, I will retry later rebooting the Gateway maybe a restart fixes things.
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Hi @Spanky66
Thanks for your feedback.
Are you trying to update to 1.20.24? Have you tried rebooting the switch? Did it help?
If not, please share with us the error message when update failed.
Spanky66 wrote
@Vincent-TP Trying to update SG3210X-M2 V1.0 to 1.20.2 - using Firefox - latest Omada software controller 6.2.10.17
Says that it upgraded, but version stays at 1.0.22 ?!?
Already updated my EAPs 787 & 773 without issue using same method
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Are you absolutely sure that this change needed to be made:
Fixed the issue where SNMP nodes Q-BRIDGE-MIB and BRIDGE-MIB did not comply with protocol specifications.
Now 1.3.6.1.2.1.17.7.1.2.2.1.2 reads not ifIndex, as before, but the port number, which does not correlate in any way with the other SNMP branches that are accessed via ifIndex (which equals the port number + 49152). With all other vendors, ifIndex is read, and it’s unclear why this change was made.
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I too have had tons of trouble getting my switches updates with todays new builds, but eventually, after many attempts on several of them (SG3218XP-M2 was particularly difficult and needed multiple attempts and switch restarts) i have succeeded
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I just want to let you know that I had no problems updating to the latest firmware SG3428X(UN)_V1.30_1.30.23 Build 20260423 on my TL-SG3428X and the update was successful on the first try.
I even restored it to factory settings after the update, set up again and everything went smoothly
Regards! 
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