Firmware update for MES23xx,MES33xx, MES35xx, MES5324. Version 4.0.27
MES
03 July 2026
Firmware update
Firmware Version: 4.0.27
The firmware and detailed description of the product capabilities are available in the Downloads or on the product page.
Added
- Added Authentication Open functionality for 802.1X;
- Added support for the RADIUS Session-Terminate-With-Port-Bounce (CoA) attribute.
Fixed
- Fixed an error that occurred when adding NAS-Identifier to RADIUS requests;
- Fixed an error in the DSCP field value output in log-input ACL messages;
- Fixed an error that allowed multiple private-vlan isolated to be associated with the same private-vlan primary;
- Fixed an error that occurred when working over SSH with PuTTY and MobaXterm terminals;
- Fixed an error in the GVRP protocol that prevented GVRP Leave messages from being sent;
- Fixed an error that made it impossible to delete the enable password from the configuration;
- Fixed an error triggered by disabling ARP request proxying on an interface;
- Improved device operation stability.
