MikroTik Changelogs
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Component: bridge

769 changelog entries across 240 version(s)

Releases by channel (stacked)

7.22beta3 Development 2026-Jan-14 (6 months ago)
  • improved logic for interface remove;
  • improved stability when using MVRP (introduced in v7.21);
  • improved VRRP MAC address handling;
  • removed vlan-filtering check when changing the MVRP setting (allows disabling MVRP through WinBox);
7.21 Stable 2026-Jan-12 (6 months ago)
  • expose more DHCP snooping warning logs;
  • fixed dynamic switch-cpu VLAN creation (introduced in v7.20);
  • fixed filter and NAT matching with "mac-protocol=length";
  • fixed missing local MAC after changing protocol-mode setting;
  • fixed multicast packet receiving on bridge as multicast-router when HW offloading is used;
  • fixed possible DHCP packet drop caused by the add-dhcp-option82;
  • fixed possible MVRP issues when STP topology changes;
  • fixed static host and MDB entry updates on VLAN add/remove;
  • improved DHCP Option 82 values (circuit-id:"interface-name:vid", remote-id:"bridge MAC address");
  • improved stability after failed protocol-mode=mstp change;
  • improved system stability when forwarding traffic with fast-path and bridged interface gets removed or disabled (introduced in v7.20);
  • properly apply bridge MVRP settings on the fly;
7.21rc6 Testing 2026-Jan-09 (6 months ago)
  • expose more DHCP snooping warning logs;
  • fixed possible DHCP packet drop caused by the add-dhcp-option82;
7.20.7 Long-term 2026-Jan-08 (7 months ago)
  • fixed dynamic switch-cpu VLAN creation (introduced in v7.20);
  • improved system stability when forwarding traffic with fast-path and bridged interface gets removed or disabled (introduced in v7.20);
7.21rc5 Testing 2026-Jan-06 (7 months ago)
  • fixed dynamic switch-cpu VLAN creation (introduced in v7.20);
  • improved system stability when forwarding traffic with fast-path and bridged interface gets removed or disabled (introduced in v7.20);
7.22beta1 Development 2026-Jan-02 (7 months ago)
  • added local and static MAC synchronization for MLAG;
  • added MLAG support per bridge interface (/interface/bridge/mlag menu is moved to /interface/bridge; configuration is automatically updated after upgrade; downgrading to an older version will result in MLAG configuration loss);
  • added MLAG-specific aged and aged-peer flags to host table;
  • added RA guard feature;
  • fixed MAC moving between regular ports and bonds for MLAG;
  • fixed MLAG state being permanently disabled when changing bridge interface settings;
  • improved MAC synchronization for MLAG;
7.21rc2 Testing 2025-Dec-15 (7 months ago)
  • fixed issue where use-ip-firewall was enabled due to running container (introduced in v7.21beta8);
7.21beta7 Testing 2025-Nov-07 (9 months ago)
  • fixed multicast packet receival on bridge as multicast-router when HW offloading is used;
  • fixed possible MVRP issues when STP topology changes;
  • properly apply bridge MVRP settings on the fly;
7.21beta4 Testing 2025-Oct-28 (9 months ago)
  • fixed incorrectly blocked ports by STP (introduced in v7.20);
7.20.2 Stable 2025-Oct-21 (9 months ago)
  • fixed incorrectly blocked ports by STP (introduced in v7.20);
7.21beta2 Testing 2025-Oct-06 (10 months ago)
  • fixed filter and NAT matching with "mac-protocol=length";
  • fixed missing local MAC after changing protocol-mode setting;
  • fixed static host and MDB entry updates on VLAN add/remove;
  • improved DHCP Option 82 values (circuit-id:"interface-name:vid", remote-id:"bridge MAC address");
  • improved stability after failed protocol-mode=mstp change;
7.20 Stable 2025-Sep-29 (10 months ago)
  • added dynamic tagged entry named "switch-cpu" in scenarios where the same VLAN spans multiple switch chips or is used on both HW and SW ports;
  • added verbose STP debug logging (rx/tx BPDU, edge-port and port-role transitions, FDB flush);
  • added warning log when all MACs cannot be displayed under the host table;
  • disable/enable HW offload on bonding slave disable/enable (fixes potential MAC learning issue);
  • fixed MVRP leave indication;
  • fixed port-id when adding a new port in non-primary MLAG;
  • improved stability when disabling bridge with dynamic VLANs in MSTI;
  • refactored host learning logic in MLAG setups in order to make it more robust and predictable;
7.20rc5 Testing 2025-Sep-26 (10 months ago)
  • fixed incorrect port STP state after bridge MAC address change (introduced in v7.20beta3);
7.19.6 Stable 2025-Sep-12 (10 months ago)
  • improved system stability with IGMP snooping;
7.20rc2 Testing 2025-Sep-11 (10 months ago)
  • improved system stability with IGMP snooping;
7.20beta9 Testing 2025-Aug-21 (11 months ago)
  • fixed MVRP leave indication;
  • improved stability when disabling bridge with dynamic VLANs in MSTI;
7.20beta8 Testing 2025-Aug-15 (11 months ago)
  • added dynamic tagged entry named "switch-cpu" in scenarios where the same VLAN spans multiple switch chips or is used on both HW and SW ports (additional fixes);
  • added warning log when all MACs cannot be displayed under the host table;
  • refactored host learning logic in MLAG setups in order to make it more robust and predictable (additional fixes);
7.20beta5 Testing 2025-Jul-03 (1 year ago)
  • added dynamic tagged entry named "switch-cpu" in scenarios where the same VLAN spans multiple switch chips or is used on both HW and SW ports (additional fixes);
  • allow IPv6 FastPath when dhcp-snooping is enabled;
7.19.3 Stable 2025-Jul-03 (1 year ago)
  • allow IPv6 FastPath when dhcp-snooping is enabled;
7.20beta4 Testing 2025-Jun-13 (1 year ago)
  • added dynamic tagged entry named "switch-cpu" in scenarios where the same VLAN spans multiple switch chips or is used on both HW and SW ports (additional fixes);
7.20beta2 Testing 2025-May-27 (1 year ago)
  • added dynamic tagged entry named "switch-cpu" in scenarios where the same VLAN spans multiple switch chips or is used on both HW and SW ports;
  • added verbose STP debug logging (rx/tx BPDU, edge-port and port-role transitions, FDB flush);
  • disable/enable HW offload on bonding slave disable/enable (fixes potential MAC learning issue);
  • fixed port-id when adding a new port in non-primary MLAG;
  • refactored host learning logic in MLAG setups in order to make it more robust and predictable;
7.19 Stable 2025-May-22 (1 year ago)
  • added new STP monitoring fields for bridge and ports (Tx/Rx BPDU, Tx/Rx TC, forward/discard transitions, last topology change, message-age, max-age, remaining-hops, bridge-id);
  • fixed bridge port hang when using invalid port IDs;
  • fixed dhcp-snooping in QinQ setups;
  • fixed issue when local MACs were removed unnecessarily;
  • fixed minor memory leak on link down;
  • fixed multicast packet flow on hardware offloaded bridge which acts as "multicast-router";
  • improved default bridge and port layout on console and GUI;
  • improved stability in case of configuration error (introduced in v7.15);
  • moved "TCHANGE" logs from bridge,stp to bridge,stp,debug;
  • offload VXLAN only if another HW offloaded port exists in the bridge;
  • properly flush bridge hosts when bonding is used as bridge port and loses hw-offloading status;
  • rename "ports" to "interface" under MDB table for configuration consistency with other menus;
  • renamed STP monitor fields (port-number to port-id, designated-port-number to designated-port-id, designated-bridge to designated-bridge-id);
  • show designated-* monitor field for all port roles;
  • show warning instead of causing error when using multicast MAC as admin-mac (introduced in v7.17);
7.19rc3 Testing 2025-May-20 (1 year ago)
  • fixed multicast packet flow on hardware offloaded bridge which acts as "multicast-router" (additional fixes);
7.19beta7 Testing 2025-Mar-31 (1 year ago)
  • properly flush bridge hosts when bonding is used as bridge port and loses hw-offloading status;
7.19beta6 Testing 2025-Mar-19 (1 year ago)
  • fixed issue when local MACs were removed unnecessarily;
  • offload VXLAN only if another HW offloaded port exists in the bridge;