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Miroslav Lichvar b86c50bb9f ntp: refresh IP addresses periodically 
Refresh NTP sources specified by hostname periodically (every 2 weeks
by default) to avoid long-running instances using a server which is no
longer intended for service, even if it is still responding correctly
and would not be replaced as unreachable, and help redistributing load
in large pools like pool.ntp.org. Only one source is refreshed at a time
to not interrupt clock updates if there are multiple selectable servers.

The refresh directive configures the interval. A value of 0 disables
the periodic refreshment.

Suggested-by: Ask Bjørn Hansen <ask@develooper.com>
2023-06-21 11:28:42 +02:00
..
001-defaults test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
002-largenetwork test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
003-largefreqoffset test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
004-largetimeoffset test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
005-externalstep test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
006-largejitter test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
007-largewander test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
008-ntpera test: ensure awk commands in 008-ntpera return an integer 2022-01-13 09:40:12 +01:00
009-sourceselection test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
010-multrecv test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
011-asymjitter test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
012-daemonts test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
013-nameserv test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
101-poll test: extend 101-poll and 127-filter tests 2022-07-21 15:33:35 +02:00
102-iburst test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
103-initstepslew test: extend 103-initstepslew test 2021-04-07 16:55:38 +02:00
104-driftfile test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
105-ntpauth test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
106-refclock test: update description of 106-refclock 2023-03-02 15:34:03 +01:00
107-allowdeny test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
108-peer test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
109-makestep test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
110-chronyc cmdmon: add timestamp counters to serverstats report 2023-03-22 10:47:22 +01:00
111-knownclient test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
112-port test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
113-leapsecond test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
114-presend test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
115-cmdmontime test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
116-minsources test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
117-fallbackdrift test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
118-maxdelay ntp: add maxdelayquant option 2022-07-21 16:05:48 +02:00
119-smoothtime test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
120-selectoptions test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
121-orphan test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
122-xleave ntp: don't use first response in interleaved mode 2022-06-30 10:18:48 +02:00
123-mindelay test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
124-tai test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
125-packetloss test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
126-burst test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
127-filter test: extend 101-poll and 127-filter tests 2022-07-21 15:33:35 +02:00
128-nocontrol test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
129-reload test: extend 129-reload test 2021-04-22 10:20:31 +02:00
130-quit test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
131-maxchange test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
132-logchange test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
133-hwtimestamp ntp: add maximum PHC poll interval 2023-03-22 09:13:53 +01:00
134-log sources: add selection log 2022-05-19 08:23:05 +02:00
135-ratelimit test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
136-broadcast test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
137-pool sources: delay source replacement 2023-06-15 14:23:47 +02:00
138-syncloop test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
139-nts ntp: randomize replacement interval 2023-06-08 16:14:48 +02:00
140-noclientlog test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
141-copy ntp: add copy option 2021-04-15 15:17:13 +02:00
142-ptpport test: add 142-ptpport test 2021-08-19 14:51:42 +02:00
143-manual test: add 143-manual test 2021-09-23 14:48:59 +02:00
144-exp1 test: add 144-exp1 test 2021-11-16 10:36:26 +01:00
145-rtc test: add 145-rtc test 2023-04-13 16:22:50 +02:00
146-offline test: add 146-offline test 2023-04-18 11:39:27 +02:00
147-refresh ntp: refresh IP addresses periodically 2023-06-21 11:28:42 +02:00
148-replacement sources: delay source replacement 2023-06-15 14:23:47 +02:00
201-freqaccumulation test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
202-prefer test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
README test: don't download files in tests 2016-02-05 15:20:40 +01:00
run test: use env shebang in all bash scripts 2021-03-04 12:36:36 +01:00
test.common test: add option to dump traffic to pcaps 2023-04-03 14:36:30 +02:00

README 

This is a collection of simulation tests using the clknetsim simulator
(supported on Linux only).

https://github.com/mlichvar/clknetsim

The CLKNETSIM_PATH environment variable should point to the directory where
clknetsim was downloaded and compiled. If the variable is not set, the tests
will look for clknetsim in ./clknetsim in the current directory.

The tests are written in bash and they can be run directly. The ./run script
runs all tests.