MikroTik Changelogs
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Component: bridge

837 changelog entries across 257 version(s)

Releases by channel (stacked)

7.25.1 Stable 2026-Nov-02 (5 days ago)
  • fix BPDUs leaking to the wrong dual-connected bond in MLAG (introduced in v7.24);
  • improve FDB synchronization between MLAG peers when VLANs are added;
7.26beta5 Development 2026-Oct-30 (1 week ago)
  • fix BPDUs leaking to the wrong dual-connected bond in MLAG (introduced in v7.24);
  • fix incorrect root-path-cost calculation in MLAG when the root bridge is on a single-connected port (additional fixes);
  • fix MLAG restarting when hardware offloading is re-enabled;
7.24.6 Long-term 2026-Oct-30 (1 week ago)
  • fix BPDUs leaking to the wrong dual-connected bond in MLAG (introduced in v7.24);
  • fix VLAN-tagged traffic being looped back in MLAG setups on CRS8xx series switches;
7.26beta4 Development 2026-Oct-27 (1 week ago)
  • fix incorrect root-path-cost calculation in MLAG when the root bridge is on a single-connected port;
  • fix loop-protect not working when a VLAN interface is added to the bridge (additional fixes);
7.25 Stable 2026-Oct-22 (2 weeks ago)
  • add dynamic ARP inspection;
  • add IP source guard;
  • add mlag-lacp-fallback and mlag-init-delay settings for MLAG;
  • fix a false "already added as bridge port" error;
  • fix an MLAG peer getting stuck in the disabled state after config changes;
  • fix bridge ports not forwarding;
  • fix fragmented IPv6 traffic being dropped by DHCPv6 snooping (introduced in v7.23);
  • fix VRRP MAC behavior in MLAG setups;
  • improve FDB synchronization between MLAG peers when VLANs are added;
  • make MVRP work with MLAG dual bonds;
  • make the DHCP snooping log messages clearer and informative;
  • rename the IGMP last-member-interval property to last-member-query-interval;
  • warn about VLAN entries when vlan-filtering is disabled;
7.25rc3 Testing 2026-Oct-20 (2 weeks ago)
  • fix fragmented IPv6 traffic being dropped by DHCPv6 snooping (introduced in v7.23);
7.26beta3 Development 2026-Oct-16 (3 weeks ago)
  • add dhcp-snooping-option82-policy setting for handling packets that already carry option 82;
  • add topology-change, host-moves and STP timer statistics to monitors;
  • fix fragmented IPv6 traffic being dropped by DHCPv6 snooping (introduced in v7.23);
  • fix static host entries being aged out of the hardware table;
7.25rc2 Testing 2026-Oct-09 (4 weeks ago)
  • fix DHCP snooping dropping DHCP messages on trusted ports when the source MAC differs from chaddr (introduced in v7.25beta3);
7.25rc1 Testing 2026-Oct-01 (1 month ago)
  • fix MLAG bond slave interfaces not coming up when the MLAG configuration is removed (introduced in v7.25beta3);
  • fix MLAG peer ports going down when a bridge port is enabled (introduced in v7.25beta5);
  • fix virtual slave ports being removed from the bridge when MLO is triggered (introduced in v7.25beta4);
7.26beta1 Development 2026-Oct-01 (1 month ago)
  • add a per-VLAN DHCP snooping option;
  • fix loop-protect not working when a VLAN interface is added to the bridge;
  • show if bridge port is blocked by dot1x;
  • store hw option for disabled bridge ports;
7.24.5 Stable 2026-Sep-29 (1 month ago)
  • disable DHCP snooping ip binding table (introduced in v7.24);
  • enable vlan hardware offloading on hAP be3 Media device;
7.25beta5 Development 2026-Sep-16 (1 month ago)
  • fix host-table entry removal on CRS8xx devices (introduced in v7.25beta4);
  • warn about VLAN entries when vlan-filtering is disabled;
7.25beta4 Development 2026-Sep-10 (1 month ago)
  • improve FDB synchronization between MLAG peers when VLANs are added;
7.25beta3 Development 2026-Sep-02 (2 months ago)
  • add dynamic ARP inspection;
  • add IP source guard;
  • add mlag-lacp-fallback and mlag-init-delay settings for MLAG;
  • fix a false "already added as bridge port" error;
  • fix an MLAG peer getting stuck in the disabled state after config changes;
  • fix bridge ports not forwarding;
  • fix MLAG failing to establish after bridge config changes;
  • fix MLAG MAC handling when used with VRRP;
  • fix unexpected MAC aging in MLAG after a MAC move;
  • fix VRRP MAC behavior in MLAG setups;
  • improve stability;
  • make MVRP work with MLAG dual bonds;
  • rename the IGMP last-member-interval property to last-member-query-interval;
7.24.1 Stable 2026-Aug-21 (2 months ago)
  • fix missing host "E" flag for CRS8xx series switches;
  • fix MLAG for CRS8xx series switches;
  • fix stability issue when using VRRP on bridge;
  • improve MLAG host aging and deletion logic;
7.24 Stable 2026-Aug-14 (2 months ago)
  • added "querier-uses-bridge-address" setting to use bridge source IP address for IGMP querier;
  • added DHCPv4 snooping IP binding table;
  • added scheduling point during VLAN processing to prevent soft lockups when flushing FDB over large VLAN ranges;
  • fixed forwarding through peer-port after disabling MLAG;
  • fixed local static host entries;
  • fixed MLAG MAC address handling issues related to aging, flushing and moving;
  • fixed stability issue when using DHCPv4 snooping;
  • fixed stuck MLAG session when using mismatched L2MTU (introduced in v7.23);
  • improved bridge and port STP "priority" setting (warn when a non-compliant value is used and allow selecting a value from a list);
  • improved STP, BPDU and topology change handling with MLAG, ensure dual-connected port STP state is in sync with MLAG peer;
7.24rc3 Testing 2026-Jul-28 (3 months ago)
  • fixed MLAG MAC address handling issues related to aging, flushing and moving (additional fixes);
7.24rc2 Testing 2026-Jul-10 (3 months ago)
  • fixed MLAG MAC address handling issues related to aging, flushing and moving (additional fixes);
7.21.5 Long-term 2026-Jul-03 (4 months ago)
  • fixed dynamic VLAN update for wifi interfaces;
  • fixed stability issue when using DHCPv4 snooping;
7.24rc1 Testing 2026-Jul-01 (4 months ago)
  • fixed forwarding through peer-port after disabling MLAG;
  • fixed stability issue when using DHCPv4 snooping;
  • improved STP, BPDU and topology change handling with MLAG, ensure dual-connected port STP state is in sync with MLAG peer;
7.24beta3 Development 2026-Jun-19 (4 months ago)
  • added scheduling point during VLAN processing to prevent soft lockups when flushing FDB over large VLAN ranges;
  • fixed local static host entries (additional fixes);
  • fixed MLAG MAC address handling issues related to aging, flushing and moving;
  • fixed stuck MLAG session when using mismatched L2MTU (introduced in v7.23);
  • temporarily reverted ARP inspection and IP source guard support (introduced in v7.24beta2);
7.24beta2 Development 2026-Jun-10 (4 months ago)
  • added ARP inspection and IP source guard support;
7.23.1 Stable 2026-Jun-02 (5 months ago)
  • fixed stability issue when using DHCPv4 snooping;
7.24beta1 Development 2026-May-26 (5 months ago)
  • added "querier-uses-bridge-address" setting to use bridge source IP address for IGMP querier;
  • added DHCPv4 snooping IP binding table;
  • fixed local static host entries;
  • fixed stability issue when using DHCPv4 snooping;
  • improved STP bridge and port priority settings (warn when a non-compliant value is used and allow selecting a value from a list);
7.23 Stable 2026-May-25 (5 months ago)
  • added ability to set custom Option 82 with dhcp-agent-circuit-id, dhcp-agent-remote-id settings (replaces add-dhcp-option82 setting; configuration is automatically updated after upgrade);
  • added DHCPv6 snooping feature with ability to set custom Option 18 and Option 37;
  • fixed dynamic VLAN update for WiFi interfaces;
  • improved MAC synchronization for MLAG;
  • recognize more DHCP message types when dhcp-snooping is enabled;