Component: vrrp

7.24beta2 Development 2026-Jun-10 (1 week ago)

• fixed stability issue when "sync-connection-tracking" is enabled;

7.24beta1 Development 2026-May-26 (3 weeks ago)

• added "v3-checksum-as-v2" setting;

7.23rc4 Testing 2026-May-22 (4 weeks ago)

• fixed stability issue when using VRRP with a hardware-offloaded bridge (additional fixes);

7.22.3 Stable 2026-May-07 (1 month ago)

• fixed stability issue when using VRRP with a hardware-offloaded bridge for Marvell Prestera switch chip;

7.23rc3 Testing 2026-May-06 (1 month ago)

• fixed stability issue when using VRRP with a hardware-offloaded bridge for Marvell Prestera switch chip;

7.22.2 Stable 2026-Apr-22 (1 month ago)

• fixed packet drop in CHR (introduced in v7.22);

7.23rc1 Testing 2026-Apr-14 (2 months ago)

• fixed packet drop in CHR (introduced in v7.22);

7.21 Stable 2026-Jan-12 (5 months ago)

• do not show "ttl not 255" warning when received VRRP VRID does not match with configured VRID;
• fixed gratuitous ARP being sent after VRRP is disabled (fixes packet forwarding on HW offloaded bridge after VRRP is disabled);

7.21beta2 Testing 2025-Oct-06 (8 months ago)

• do not show "ttl not 255" warning when received VRRP VRID does not match with configured VRID;
• fixed gratuitous ARP being sent after VRRP is disabled (fixes packet forwarding on HW offloaded bridge after VRRP is disabled);

7.20 Stable 2025-Sep-29 (8 months ago)

• added "connection-tracking-port" and "connection-tracking-mode" settings for "sync-connection-tracking";
• added proxy-arp support;
• fixed invalid TCP connection state after failover with enabled sync-connection-tracking;
• fixed sync-connection-tracking issue when parent interface is disabled/enabled;
• improved responsiveness when router has many IP addresses depending on VRRP state;
• improved stability when removing VRRP interface with enabled sync-connection-tracking;
• make MTU property read-only;

7.20beta7 Testing 2025-Jul-30 (10 months ago)

• fixed invalid TCP connection state after failover with enabled sync-connection-tracking;
• improved stability when removing VRRP interface with enabled sync-connection-tracking;

7.20beta5 Testing 2025-Jul-03 (11 months ago)

• added "connection-tracking-port" and "connection-tracking-mode" settings for "sync-connection-tracking" (additional fixes);

7.20beta4 Testing 2025-Jun-13 (1 year ago)

• added "conntrack-port" and "mode" settings for "sync-connection-tracking";

7.20beta2 Testing 2025-May-27 (1 year ago)

• added proxy-arp support;
• fixed sync-connection-tracking issue when parent interface is disabled/enabled;
• improved responsiveness when router has many IP addresses depending on VRRP state;
• make MTU property read-only;

7.19 Stable 2025-May-22 (1 year ago)

• fixed detection of connection tracking after reboot (introduced in v7.17);

7.19rc3 Testing 2025-May-20 (1 year ago)

• fixed detection of connection tracking after reboot (introduced in v7.17);

7.10 Stable 2023-Jun-15 (3 years ago)

• added warning if "sync-connection-tracking=yes" while the global connection tracking is inactive;
• added warning if the VRRP group is misconfigured;
• added warning if VRRP or its interface does not have an IP address;
• do not start connection synchronization if the global connection tracking is inactive;
• fixed issue where disabled VRRP interface is affecting group;
• fixed VRRP interface state on physical cable disconnection;
• improved system stability on changing "group-authority" or "sync-connection-tracking";
• renamed "group-master" to "group-authority" to avoid confusion with VRRP master;
• send VRRP announcements only by "group-authority";

7.10beta8 Testing 2023-May-22 (3 years ago)

• added warning if "sync-connection-tracking=yes" while the global connection tracking is inactive;
• added warning if the VRRP group is misconfigured;
• added warning if VRRP or its interface does not have an IP address;
• do not start connection synchronization if the global connection tracking is inactive;
• fixed issue where disabled VRRP interface is affecting group;
• fixed VRRP interface state on physical cable disconnection;
• improved system stability on changing "group-authority" or "sync-connection-tracking";
• renamed "group-master" to "group-authority" to avoid confusion with VRRP master;
• send VRRP announcements only by "group-authority";

7.9 Stable 2023-May-02 (3 years ago)

• added "self" value for "group-master" setting;

7.9beta4 Testing 2023-Mar-23 (3 years ago)

• added "self" value for "group-master" setting;

7.7 Stable 2023-Jan-12 (3 years ago)

• always use slave interface MTU;
• improved interface stability on configuration changes;

7.7beta9 Testing 2022-Nov-30 (3 years ago)

• always use slave interface MTU;
• improved interface stability on configuration changes;

7.6 Stable 2022-Oct-17 (3 years ago)

• fixed connection tracking synchronization on MMIPS and MIPSBE devices;

7.6beta4 Testing 2022-Sep-01 (3 years ago)

• fixed connection tracking synchronization on MMIPS and MIPSBE devices;

7.5 Stable 2022-Aug-30 (3 years ago)

• added "sync-connection-tracking" compatibility with preemption-mode;
• fixed high CPU usage when "sync-connection-tracking=yes" and the backup router goes offline;
• fixed HW offloaded bridge MAC address learning when changing from VRRP master to backup;
• fixed initial connection tracking synchronization, a backup router now always receives all existing connections;
• improved connection tracking synchronization protocol (CTSYNC), the new protocol is incompatible with previous RouterOS versions with "sync-connection-tracking=yes";