Firmware update for MES2300-XX, MES3300-XX, MES3500I-10P, MES5312, MES53xxA, MES5300-xx, MES5305-48, MES5310-48, MES5400-XX, MES5410-48, MES5500-32. Version 6.6.10

MES
16 December 2025

Firmware update

Firmware version: 6.6.10

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

Added

  • Added the option to select a port when uploading files using the SCP/SFTP protocols;
  • Added the ability to use the ping utility for size>1518, added the packet fragmentation parameter;
  • Added the ability to limit the speed of incoming packets on ARP protocol ports when ARP inspection is active;
  • Added the ability to limit the speed of incoming packets on the ports of the DHCP protocol with active DHCP snooping;
  • Added the ability to change the user's password via the TACACS protocol;
  • Added the ability to filter routes using route-map when redistributing them to L3VNI;
  • Added support for BGP Next Hop Unchanged;
  • Added support for IP SLA in VRF;
  • Added support for NTP in VRF;
  • Added PBR support to VRF;
  • Added support for the Session-Timeout RADIUS attribute;
  • Added support for the Termination-Action RADIUS attribute;
  • Added support for SCP in VRF;
  • Added support for the SFTP client in VRF;
  • Added support for Voice VLAN without Authentication (Bypass);
  • Added auto-cost reference-bandwidth support for the OSPF protocol;
  • Added support for ebgp-multihop in VRF;
  • Added lacp hold-time up support;
  • Added support for max-metric in the OSPF protocol;
  • Added support for route-map for the BGP protocol when redistributing routes;
  • Added support for spanning-tree guard loop for STP, RSTP, MSTP modes;
  • Added support for additional output filters in show running-config;
  • Added a show command in the interface configuration mode;
  • Added output of VLAN interface names in ifDescr SNMP OID;
  • Added the IfInDiscard packets counter to the output of show interfaces;
  • Added counters for individual ACL rules in the IN direction (currently not supported on MES53xxA series switches);
  • Added an error notification when trying to launch ping and traceroute in a non-existent VRF;
  • Implemented a single data type for snmptrap for adding and removing a unit to the stack;
  • Increased the maximum lifetime of MAC addresses in FDB.

Fixed

  • Fixed an error where Vlans received via GVRP from the backup unit of the stack were cyclically added and deleted;
  • Fixed an error where one of the ports of the aggregated interface switched to the Down status during NSF on the backup switch;
  • Fixed an error where traffic drawdown could be traced on the stack during NSF;
  • Fixed an error where one of the stack units could reboot during the reset of the aggregated interface settings;
  • Fixed an error where the MSTP tree would not rebuild after a name change or revision;
  • Fixed an error where the no ip vrf command did not completely remove the VRF settings from the system;
  • Fixed an error where the ip ospf cost setting for interface ip A.B.C.D vrf vrf_name in running-config and startup-config was not displayed;
  • Fixed an error in which command input confirmation was incorrectly processed;
  • Fixed an error in which pvst BPDUs were not transmitted in transit through a switch with STP turned off on a separate VLAN;
  • Fixed an error where, after raising the link, the originating vlan value was 0 in the first BPDU PVST+/RPVST+;
  • Fixed an error that caused the OSPF metric to be reset when the device was rebooted;
  • Fixed an error related to traffic interruption when restarting VPC Primary on MES5410-48 devices;
  • Fixed an error when creating an aggregated route in OSPF;
  • Fixed an error that caused an additional reboot of one of the units during stack auto-assembly;
  • Fixed an error that caused units to disconnect from the stack under a certain load;
  • Fixed an error that caused the Port Channel belonging to the VPC group to be in the errdisable state;
  • Fixed an error that caused one or more units in the stack to reboot from the MES2300-xx/3300-xx series devices during the transfer of mastery;
  • Fixed incorrect indications on some stack ports that could occur during skill transfer;
  • Fixed a reboot that appeared when entering commands longer than 279 characters;
  • Fixed a reboot that appeared when receiving the MSDP Source-Active Jumbo package;
  • Fixed a reboot that manifested itself during manipulation on the OOB and VLAN 1 interfaces;
  • Fixed incorrect display in logs of the reason for Cold/Warm StartUp reboot;
  • Fixed incorrect behavior of the CLI when the AS BGP number is greater than 2147483647;
  • Fixed the accounting of some commands using the TACACS protocol.

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