Code: Select all
/ip firewall filter
add action=fasttrack-connection chain=forward connection-state=established,related hw-offload=yes
add action=accept chain=forward connection-state=established,related
add action=accept chain=input dst-port=123 in-interface=lab protocol=udp
add action=accept chain=input dst-port=123 in-interface=mgmt protocol=udp
/system ntp server
set broadcast=yes broadcast-addresses=192.168.68.255,192.168.77.255 enabled=yes
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# systemctl is-active chronyd
active
# chronyc tracking
Reference ID : 00000000 ()
Stratum : 0
Ref time (UTC) : Thu Jan 01 00:00:00 1970
System time : 0.000000007 seconds slow of NTP time
Last offset : +0.000000000 seconds
RMS offset : 0.000000000 seconds
Frequency : 389.664 ppm fast
Residual freq : +0.000 ppm
Skew : 0.000 ppm
Root delay : 1.000000000 seconds
Root dispersion : 1.000000000 seconds
Update interval : 0.0 seconds
Leap status : Not synchronised
# chronyc sources
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^? mikrotik. 0 7 0 - +0ns[ +0ns] +/- 0ns
# nc -zvu mikrotik 123
Connection to mikrotik (192.168.68.1) 123 port [udp/ntp] succeeded!
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# chronyd -q 'server mikrotik iburst'
2023-03-12T13:54:51Z chronyd version 4.3 starting (+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SIGND +ASYNCDNS +NTS +SECHASH +IPV6 +DEBUG)
2023-03-12T13:54:51Z Could not open command socket on [::1]:323
2023-03-12T13:54:51Z Initial frequency 389.664 ppm
2023-03-12T13:54:59Z No suitable source for synchronisation
2023-03-12T13:54:59Z chronyd exiting
# chronyd -q 'server 192.168.68.1 iburst'
2023-03-12T13:56:31Z chronyd version 4.3 starting (+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SIGND +ASYNCDNS +NTS +SECHASH +IPV6 +DEBUG)
2023-03-12T13:56:31Z Could not open command socket on [::1]:323
2023-03-12T13:56:31Z Initial frequency 389.664 ppm
2023-03-12T13:56:40Z No suitable source for synchronisation
2023-03-12T13:56:40Z chronyd exiting