Early Access Omada S4500&5500 Series Pre-Release FW for SDN Controller 6.2.X.X (Released on March, 18th, 2026)
This Article Applies to
S5500-24F4XF(UN) 1.0, Fully Adapted to Omada SDN Controller v6.2 or above;
S5500-24GP4XF(UN) 1.0, Fully Adapted to Omada SDN Controller v6.2 or above;
S4500-8GP(UN) 1.0, Fully Adapted to Omada SDN Controller v6.2 or above;
S5500-24GP4F(UN) 1.0, Fully Adapted to Omada SDN Controller v6.2 or above;
S4500-8GP2F(UN) 1.0, Fully Adapted to Omada SDN Controller v6.2 or above;
S4500-8G(UN) 1.0, Fully Adapted to Omada SDN Controller v6.2 or above;
S4500-16GP(UN) 1.0, Fully Adapted to Omada SDN Controller v6.2 or above;
S4500-16G2F(UN) 1.0, Fully Adapted to Omada SDN Controller v6.2 or above;
S4500-8GHP2F(UN) 1.0, Fully Adapted to Omada SDN Controller v6.2 or above;
S4500-8GHP2F(UN) 2.0, Fully Adapted to Omada SDN Controller v6.2 or above;
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. (Only available on S4500-8GP(UN) 1.0, S5500-24GP4F(UN) 1.0, S4500-8GP2F(UN) 1.0, S4500-8G(UN) 1.0, S4500-16GP(UN) 1.0, S4500-16G2F(UN) 1.0, S4500-8GHP2F(UN) 1.0, S4500-8GHP2F(UN) 2.0. Other models already support this feature.)
4. Added support for Lightweight DHCPv6 Relay Agent (LDRA).
5. Extended L2PT functionality to support LLDP and 802.1X protocols.
6. 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.
7. Added Extend Mode for non-PoE models.
8. Added support for configuring VLAN Isolation via SNMP.
9. Added a CLI command to display Spanning Tree Topology Change Notification (STP TCN) statistics for each port.
10. Added support for ERPS ring port R-APS packet (RX/TX) statistics.
Enhancements
1. Supported common MAC address formats for MAC address input fields.
2. Optimized ERPS convergence time on fiber ports, achieving convergence within 50 ms.
3. Supported configuring 802.1X authentication in MAB-only mode.
4. Supported disabling DNS Adoption to meet specific network management requirements.
5. Optimized the fan status log reporting frequency.
6. Improved LLDP protocol compatibility.
7. Added system self-healing recovery capability to enhance long-term device stability.
8. Improved management link reliability.
9. Improved STP module reliability and optimize the stability of Spanning Tree operation.
Bug fixed
1. Fixed the issue where SNMP nodes Q-BRIDGE-MIB and BRIDGE-MIB did not comply with protocol specifications.
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
S4500-16G2F V1.0 V1.0.3
S4500-8GHP2F V1.0 V1.0.3
S4500-8GHP2F V2.0 V2.0.2
Notes:
(1) The above firmware is applied to matching hardware.
(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
March, 18th, 2026
Release of this article.
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