Firmware update for MES14XX, MES24XX, MES3708P, MES3710P, MES3400-XX. Version 10.4.3.1

MES
05 December 2025

Firmware update

Firmware Version: 10.4.3.1

The firmware and detailed description of the product capabilities are available in the Downloads or on the product page.

Added

  • Added support for Dying Gasp in the stack;
  • Added SQinQ support in the stack;
  • Added QinQ support in the stack;
  • Added support for Rate-limit in the stack;
  • Added support for Per-VLAN Access List in the stack;
  • Added support for Ethernet OAM in the stack;
  • Added LBD per VLAN support;
  • Added a new SNMP OID for reloading arbitrary stack units;
  • Added the ability to enable the trust of someone else's option 82 on untrusted DHCP Snooping interfaces;
  • Added support for the Filter-ID RADIUS attribute;
  • Additional messages have been added to the ZTP logs;
  • Added support for the CEF format for SYSLOG messages. The format of some SYSLOG messages has been fixed;
  • Added support for processing traffic with a PRP header;
  • Added support for LLDP Dot3TLV Power-via-MDI;
  • Added support for dry contacts for MES37xx;
  • Added the ability to add the TCP port number of the server when working with the copy and backup server commands;
  • Added synchronization of all software images for all units in the stack;
  • Added information about default settings to the show stack command;
  • Added a command to disable the serdes parameter check.

Fixed

  • Fixed an error where the switch did not respond to an SNMP request with the report flag not set;
  • Fixed an error where the switch did not return all OID values during the SNMP survey of the ISS-ENV-MIB tree;
  • Fixed an error that returned an incorrect value for the temperature of the switch via SNMP;
  • Fixed IPv6 traffic routing error;
  • Fixed an error in the operation of the F button;
  • Expanded the range of ports used in the stack for MES2411X devices;
  • Fixed errors during stack assembly;
  • Fixed an error when enabling RPVST in the stack;
  • Fixed an error where backup units in the stack might not connect to the master when they were rebooted at the same time;
  • Fixed the behavior of backup units in the stack when sending logs with incorrect severity;
  • Fixed an error in synchronizing EOAM UDLD command objects with backup threads;
  • Fixed loss of routed traffic when transferring between backup units and the master unit in the stack;
  • Fixed cyclic reboot of a unit when returning it to the stack;
  • Fixed errors that appear when navigating to the System Resources page in the WEB interface;
  • It is forbidden to use VLAN 4095 in sQinQ commands;
  • Fixed an error in synchronizing sQinQ commands with backup units;
  • Fixed an error that causes the device to reboot when trying to delete sQinQ rules;
  • Fixed an error when removing SQinQ override rules from LAG interfaces;
  • Fixed an error where the default IP 192.168.1.239 was not deleted after configuring VLAN 1;
  • Fixed the maximum number of static IPv4 routes;
  • Fixed the error of deleting static routes when updating the software to version 10.4.2 and higher;
  • Fixed an error that caused an emergency reboot when saving the configuration;
  • Fixed the error of incorrect blocking of the user by setting up login block-for;
  • The severity threshold for events recorded in the default-syslog-file has been reduced;
  • Fixed an error with incorrect processing of fragmented packets on the CPU;
  • Optimization of the output speed of the PoE configuration;
  • Unconnected units have been removed in the output of the show power inline command;
  • Fixed an error of incorrect reading of temperature sensor data in the output of show env;
  • Fixed incorrect display of Firmware version in show system information;
  • Fixed an error where the ACL incorrectly filtered ARP frames;
  • Fixed an error when performing rate-limit input for LAG on the stack;
  • Fixed an error in the Dot1x VLAN optional for MAB authorization;
  • Fixed an error where the value of the Calling-Station-ID field was incorrectly substituted when trying to reauthorize the Dot1x client using EAP-TLS;
  • Fixed an error in Port-isolation with LAG on the MES2428 device;
  • Fixed an error that occurs when reinitializing the PoE controller;
  • Fixed an error that caused the L3 functionality to stop working when sending a large number of TCP messages to the Syslog server;
  • Fixed an error where the lldp med-app-type voice vlan vlan-id setting disappeared from running-config after using the switchport voice vlan command;
  • Fixed an error where the VLAN attribute from the RADIUS server did not work in conjunction with the Voice VLAN;
  • Fixed an error that occurs when the switch processes a fragmented SNMP packet;
  • Fixed an error where the link on XG ports with 1G copper modules did not switch to the UP status.

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