MikroTik RouterOS ARM Firmware 6.41 RC 66 Download

Posted at April 26, 2024 by PCI-DB Team

MikroTik RouterOS ARM Firmware 6.41 RC 66 Description

Important note!!! Backup before upgrade!

- RouterOS (v6.40rc36-rc40 and) v6.41rc1+ 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 for now.
- Please, note that downgrading to previous RouterOS versions will not restore "master-port" configuration, so use backups to restore configuration on downgrade.

What's new in 6.41rc66:

- routerboot - RouterBOOT version numbering system merged with RouterOS;
- capsman - added possibility to downgrade CAP with upgrade command from CAPsMAN;
- crs326 - improved transmit performance from SFP+ to Ethernet ports;
- dhcp-server - added basic RADIUS accounting;
- ike1 - disallow peer creation using base mode;
- ike2 - added support for multiple split networks;
- ike2 - do not allow to configure nat-traversal;
- ipsec - improved hardware accelerated IPSec performance on 750Gr3;
- ppp - fixed "change-mss" functionality when MSS option is missing on forwarded packets;
- ppp - fixed L2TP and PPTP encryption negotiation process on configuration changes;
- pppoe-client - properly re-establish MLPPP session when one of the lines stopped transmitting packets;
- quickset - fixed LTE quickset mode APN field;
- route - improved reliability on routing table update;
- snmp - fixed bulk requests when non-repeaters are used;
- wireless - added support for CHARGEABLE_USER_ID in EAP Accounting;
- wireless - updated "UK 5.8 Fixed" and "Australia" regulatory domain information;

Other changes since 6.40.5:

- bridge - implemented software based vlan-aware bridges;
- switch - "master-port" conversion into a bridge with hardware offload "hw" option;
- detnet - implemented "/interface detect-internet" feature;
- bridge - general implementation of hw-offload bridge (introduced in v6.40rc36);
- w60g - added Point to Multipoint support;
- wireless - new driver with initial support for 160 and 80+80 MHz channel width;
- arm - minor improvements on CPU load distribution for RB1100 series devices;
- arp - fixed invalid static ARP entries after reboot on interfaces without IP address;
- bgp - added 32-bit private ASN support;
- bridge - added comment support for VLANs (CLI only);
- bridge - added initial support for hardware "igmp-snooping" on CRS1xx/2xx;
- bridge - added support for "/interface list" as a bridge port;
- bridge - assume "point-to-point=yes" for all Full Duplex Ethernet interfaces when STP is used (as per standard);
- bridge - automatically turn off "fast-forward" feature if both bridge ports have "H" flag;
- bridge - changed "Host" and "MDB" table column order;
- bridge - disable "hw-offload" when "horizon" or "external-fdb" is set;
- bridge - fixed "fast-forward" counters;
- bridge - fixed ARP setting (introduced in v6.40rc36);
- bridge - fixed connectivity issues when there are multiple VLAN interfaces on bridge;
- bridge - fixed hw-offloaded IGMP Snooping service getting stopped;
- bridge - fixed multicast forwarding (introduced in v6.40rc36);
- bridge - implemented dynamic entries for active MST port overrides;
- bridge - implemented software based "igmp-snooping";
- bridge - implemented software based MSTP;
- bridge - removed "frame-types" and "ingress-filtering" for bridge interfaces (introduced in v6.40rc36);
- bridge - set "igmp-snooping=no" by default on new bridges;
- bridge - show "admin-mac" only if "auto-mac=no";
- bridge - show bridge interface local addresses in the host table;
- btest - improved reliability on Bandwidth Test when device`s RAM is almost full;
- capsman - added "vlan-mode=no-tag" option;
- capsman - return complete CA chain when issuing new certificate;
- capsman - use "adaptive-noise-immunity" value from CAP local configuration;
- certificate - added option to store CRL in RAM (CLI only);
- certificate - fixed SCEP "get" request URL encoding;
- certificate - improved CRL update after system startup;
- certificate - show "Expired" flag when initial CRL fetch fails;
- certificate - show invalid flag when local CRL file does not exist;
- chr - added KVM memory balloon support;
- chr - added suspend support;
- console - do not stop "/certificate sign" process if console times out in 1 minute;
- console - removed "/setup";
- crs317 - added initial support for HW offloaded MPLS forwarding;
- crs317 - fixed reliability on FAN controller;
- crs326 - fixed packet processing speed on switch chip if individual port link speed differs;
- crs3xx - added ingress/egress rate input limits;
- crs3xx - switch VLAN configuration integrated within bridge VLAN configuration with hw-offload;
- dhcp - fixed DHCP services failing after reboot when DHCP option was used;
- dhcp - fixed unresponsive DHCP service caused by inability to read not set RAW options;
- dhcp - require DHCP option name to be unique;
- dhcp-client - limit and enforce DHCP client "default-route-distance" minimal value to 1;
- dhcp-server - added "option-set" argument (CLI only);
- dhcpv4-client - add dynamic DHCP client for mobile clients which require it;
- dhcpv4-client - allow to use DUID for client as identity string as the option 61;
- dhcpv4-server - added "NETWORK_GATEWAY" option variable;
- dhcpv4-server - strip trailing "

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