<div dir="ltr">  Hi, list,<div><br></div><div>  I'm using Kea V1.5.0 and running two dhcp servers in Hot-standby mode. My lease database is Memfile. I setup NTP for both servers. </div><div><br></div><div>   Here is part of my configuration, </div><div>===============<br>              "high-availability": [ {<br>                    "this-server-name": "server2",<br>                    "mode": "hot-standby",<br>                    "heartbeat-delay": 10000,<br>                    "max-response-delay": 10000,<br>                    "max-ack-delay": 5000,<br>                    "max-unacked-clients": 5,<br><br>                    "send-lease-updates": true,<br>                    "sync-leases": true,<br>                    "sync-page-limit": 10000,<br>                    "sync-timeout": 30000,<br><br>                    "peers": [<br>                        {<br>                            "name": "server1",<br>                            "url": "<a href="http://172.16.232.18:8080/" target="_blank">http://172.16.232.18:8080/</a>",<br>                            "role": "primary",<br>                            "auto-failover": true<br>                        },<br>                        {<br>                            "name": "server2",<br>                            "url": "<a href="http://172.16.232.20:8080/" target="_blank">http://172.16.232.20:8080/</a>",<br>                            "role": "standby",<br>                            "auto-failover": true<br>                        }<br></div><div>=============</div><div><br></div><div>Yet  on standby server ,it says that,</div><div>===============</div><div>2020-04-02 11:08:19.269 INFO  [kea-dhcp4.ha-hooks/11468] HA_LOCAL_DHCP_DISABLE local DHCP service is disabled while the server2 is in the WAITING state<br>2020-04-02 11:08:19.269 INFO  [kea-dhcp4.ha-hooks/11468] HA_SERVICE_STARTED started high availability service in hot-standby mode as standby server<br>2020-04-02 11:08:19.269 INFO  [kea-dhcp4.dhcp4/11468] DHCP4_STARTED Kea DHCPv4 server version 1.5.0 started<br>2020-04-02 11:08:31.283 INFO  [kea-dhcp4.ha-hooks/11468] HA_STATE_TRANSITION server transitions from WAITING to TERMINATED state, partner state is TERMINATED<br>2020-04-02 11:08:31.283 INFO  [kea-dhcp4.ha-hooks/11468] HA_LEASE_UPDATES_DISABLED lease updates will not be sent to the partner while in TERMINATED state<br>2020-04-02 11:08:31.283 INFO  [kea-dhcp4.ha-hooks/11468] HA_LOCAL_DHCP_ENABLE local DHCP service is enabled while the server2 is in the TERMINATED state<br>2020-04-02 11:08:31.283 ERROR [kea-dhcp4.ha-hooks/11468] HA_TERMINATED HA service terminated because of the unacceptable clock skew; fix the problem and restart!<br></div><div><br></div><div>============</div><div><br></div><div>I'm sure two severs get correct date time. So what's the reason ?</div><div><br></div><div>Is it related to <a href="https://gitlab.isc.org/isc-projects/kea/-/merge_requests/414" target="_blank">https://gitlab.isc.org/isc-projects/kea/-/merge_requests/414</a> ?</div><div><br></div><div>Thanks and take care.</div><div><br></div><div>-hongquan</div><div class="gmail-yj6qo"></div><div class="gmail-adL"><br></div></div>