MikroTik RouterOS 6.42.x (Long-term)

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Подробное описание изменений в MikroTik RouterOS 6.42.x (Long-term). Официальный список исправленных ошибок, добавленного функционала и прочих доработок. Дата выхода первого набора изменений – 21 сентября 2018, дата выхода последнего набора изменений – 12 февраля 2019.

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MikroTik RouterOS 6.42.12

Дата выхода: 12 февраля 2019

Важные изменения:

  • winbox - improvements in connection handling to router with open winbox service (CVE-2019–3924).


  • ipsec - accept only valid path for "export-pub-key" parameter in "key" menu;
  • quickset - fixed "country" parameter not properly setting regulatory domain configuration;
  • smb - fixed possible buffer overflow;
  • w60g - fixed disconnection issues in PtMP setups;
  • wireless - improved antenna gain setting for devices with built in antennas;
  • wireless - show indoor/outdoor frequency limitations under "/interface wireless info country-info" command.

MikroTik RouterOS 6.42.11

Дата выхода: 21 декабря 2018

Важные изменения:

  • telnet - do not allow to set "tracefile" parameter.


  • capsman - fixed "group-key-update" parameter not using correct units;
  • certificate - properly flush old CRLs when changing store location;
  • console - properly remove system note after configuration reset;
  • dhcpv6-server - properly handle DHCP requests that include prefix hint;
  • discovery - fixed malformed neighbor information for routers that has incomplete IPv6 configuration;
  • discovery - fixed neighbor discovery for PPP interfaces;
  • export - fixed "silent-boot" compact export;
  • gps - added "coordinate-format" parameter;
  • interface - improved system stability when including/excluding a list to itself;
  • kidcontrol - do not allow users with "read" policy to pause and resume kids;
  • led - fixed default LED configuration for RBMetalG-52SHPacn;
  • log - properly handle long echo messages;
  • lte - added support for more ZTE MF90 modems;
  • lte - disallow setting LTE interface as passthrough target;
  • package - use bundled package by default if standalone packages are installed as well;
  • resource - fixed "total-memory" reporting on ARM devices;
  • snmp - added "tx-ccq" ("mtxrWlStatTxCCQ") and "rx-ccq" ("mtxrWlStatRxCCQ") values;
  • snmp - do not initialise interface traps on bootup if they are not enabled;
  • switch - fixed MAC learning when disabling interfaces on devices with Atheros8327 and QCA8337 switch chips;
  • system - fixed situation when all configuration was not properly loaded on bootup;
  • timezone - fixed "Europe/Dublin" time zone;
  • upgrade - automatically uninstall standalone package if already installed in bundle;
  • webfig - do not show bogus VHT field in wireless interface advanced mode;
  • winbox - allow to change VHT rates when 5ghz-n/ac band is used;
  • winbox - renamed "Radius" to "RADIUS";
  • winbox - show "Switch" menu on RB4011iGS+5HacQ2HnD and RB4011iGS+;
  • wireless - added new "installation" parameter to specify router's location;
  • wireless - improved stability for 802.11ac;
  • wireless - improvements in wireless frequency selection.

MikroTik RouterOS 6.42.10

Дата выхода: 14 ноября 2018

Важные изменения:

  • upgrade - release channels renamed - "bugfix" to "long-term", "current" to "stable" and "release candidate" to "testing";
  • upgrade - "testing" release channel now can contain "beta" together with "release-candidate" versions.


  • bridge - do not learn untagged frames when filtering only tagged packets;
  • bridge - fixed possible memory leak when VLAN filtering is used;
  • bridge - improved packet handling when hardware offloading is being disabled;
  • bridge - properly disable dynamic CAP interfaces;
  • certificate - fixed time zone adjustment for SCEP requests;
  • crs328 - improved link status update on disabled SFP and SFP+ interfaces;
  • crs328 - improved link status update on disabled SFP+ interface when using DAC;
  • crs3xx - fixed possible memory leak when disabling bridge interface;
  • defconf - automatically accept default configuration if reset done by holding button;
  • defconf - properly load default configuration after reset (introduced in v6.42.9);
  • health - fixed bad voltage readings on RB493G;
  • ipsec - fixed hw-aead (H) flag presence under Installed SAs on startup;
  • ipsec - improved stability when uninstalling multiple SAs at once;
  • ipsec - properly update warnings under peer menu;
  • led - added "dark-mode" functionality for LHG and LDF series devices;
  • led - fixed default LED configuration for SXT LTE kit and wAP 60G AP devices;
  • led - fixed power LED turning on after reboot when "dark-mode" is used;
  • ntp - fixed possible NTP server stuck in "started" state;
  • ospf - improved stability while handling type-5 LSAs;
  • romon - improved packet processing when MTU in path is lower than 1500;
  • routerboard - renamed SIM slots to "a" and "b" on SXT LTE kit;
  • routerboard - show "boot-os" and "force-backup-booter" options only on devices that have such feature;
  • timezone - updated timezone information from tzdata2018g release;
  • traffic-flow - fixed post NAT port reporting;
  • traffic-flow - fixed "src-mac-address" and added "post-src-mac-address" fields;
  • tunnel - made "ipsec-secret" parameter sensitive;
  • usb - fixed power-reset for hAP ac^2 devices;
  • w60g - fixed misleading license level requirement log message;
  • w60g - fixed "scan" functionality when in bridge mode;
  • w60g - renamed "frequency-list" to "scan-list";
  • winbox - allow to specify SIM slot on LtAP mini;
  • winbox - enabled "fast-forward" by default when adding new bridge;
  • winbox - show "System/Health" only on boards that have health monitoring;
  • winbox - show "W60G" wireless tab on wAP 60G AP.

MikroTik RouterOS 6.42.9

Дата выхода: 27 сентября 2018

Важные примечания:

Backup before upgrade! RouterOS v6.41 and above contains new bridge implementation that supports hardware offloading (hw-offload). This update will convert all interface "master-port" configuration into new bridge configuration, and eliminate "master-port" option as such. Bridge will handle all Layer2 forwarding and the use of switch-chip (hw-offload) will be automatically turned on based on appropriate conditions. The rest of RouterOS Switch specific configuration remains untouched in usual menus. Please, note that downgrading below RouterOS v6.41 will not restore "master-port" configuration, so use backups to restore configuration on downgrade.


  • bridge - ignore tagged BPDUs when bridge VLAN filtering is used;
  • bridge - improved packet handling when hardware offloading is being disabled;
  • crs317 - fixed packet forwarding on bonded interfaces without hardware offloading;
  • crs326/crs328 - fixed packet forwarding when port changes states with IGMP Snooping enabled;
  • defconf - properly clear global variables when generating default configuration after RouterOS upgrade;
  • dns - fixed DNS cache service becoming unresponsive when active Hotspot server is present on the router (introduced in 6.42);
  • filesystem - fixed NAND memory going into read-only mode (requires "factory-firmware" >= 3.41.1 and "current-firmware" >= 6.43);
  • health - added missing parameters from export;
  • health - fixed voltage measurements for RB493G devices;
  • hotspot - properly update dynamic "walled-garden" entries when changing "dst-host";
  • ike2 - fixed rare authentication and encryption key mismatches after rekey with PFS enabled;
  • ike2 - improved subsequent phase 2 initialization when no child exist;
  • ipsec - improved invalid policy handling when a valid policy is uninstalled;
  • ipsec - improved stability when using IPsec with disabled route cache;
  • led - added "dark-mode" functionality for wsAP ac lite, RB951Ui-2nD, hAP, hAP ac lite and LtAP mini devices;
  • lte - fixed LTE interface not working properly after reboot on RBSXTLTE3-7;
  • lte - fixed LTE registration in 2G/3G mode;
  • ospf - improved link-local LSA flooding;
  • ospf - improved stability when originating LSAs with OSPFv3;
  • routerboard - fixed memory tester reporting false errors on IPQ4018 devices ("/system routerboard upgrade" required);
  • routerboard - show "boot-os" option only on devices that have such feature;
  • routerboot - fixed RouterOS booting on devices with particular NAND memory;
  • sniffer - made "connection", "host", "packet" and "protocol" sections read-only;
  • supout - added "files" section to supout file;
  • upgrade - fixed RouterOS upgrade process from RouterOS v5 on PowerPC;
  • upnp - improved UPnP service stability when handling HTTP requests;
  • userman - fixed "shared-secret" parameter requiring "sensitive" policy;
  • w60g - added "frequency-list" setting;
  • w60g - fixed interface LED status update on connection;
  • w60g - fixed random disconnects;
  • w60g - general stability and performance improvements;
  • webfig - fixed time interval settings not applied properly under "IP/Kid Control/Kids" menu;
  • webfig - fixed www service becoming unresponsive;
  • winbox - show "System/RouterBOARD/Mode Button" on devices that has such feature;
  • wireless - accept only valid path for sniffer output file parameter;
  • wireless - fixed "/interface wireless sniffer packet print follow" output.

MikroTik RouterOS 6.42.8

Дата выхода: 21 сентября 2018

Релиз только для внутреннего использования компанией MikroTik.

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