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MikroTik RouterOS ARM Firmware 6.41 RC 66 Download

Posted at November 2, 2024 by PCI-DB Team

Install Driver Automatically
Device NameMikroTik RouterOS ARM Firmware 6.41 RC 66
CategoryRouter Switch Access Point
ManufacturerMikroTik
File Size10.9 MB
Supported OSOS Independent

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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