Appendix A Open Source Used In Cisco Aironet 600 Series OfficeExtend Access Point
ntpclient 345.0
attempt to lock local clock to server using adjtimex(2) | |
local NTP client UDP port (default 0 means "any available") | |
replay analysis code based on stdin | |
simple clock set (implies |
Mortal users can use this program for monitoring, but not clock setting (with the
The test.dat file has 200 lines of sample output. Its first few lines, with the output column headers that are shown when the
chosen, are: |
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day second | elapsed | stall | skew dispersion freq | |||
51785 180.386 | 1398.0 | 40.3 | 953773.9 | 793.5 | ||
51785 780.382 | 1358.0 | 41.3 | 954329.0 | 915.5 | ||
51785 1380.381 | 1439.0 | 56.0 | 954871.3 | 915.5 | ||
day, second: time of measurement |
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elapsed: | total time from query to response (microseconds) | |||||
stall: | time the server reports that it sat on the request (microseconds) | |||||
skew: | difference between local time and server time (microseconds) | |||||
dispersion: reported by server, see | ||||||
freq: | local clock frequency adjustment (Linux only, ppm*65536) | |||||
test.dat is suitable for piping into ntpclient
They are spaced 10 minutes apart, representing over a year of data logging (not continuous, unfortunately).
envelope is a perl script that I have used for my lock studies. It’s kind of a hack and not worth documenting here.
-Larry Doolittle <larry@doolittle.boa.org
GNU GENERAL PUBLIC LICENSE Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51Franklin Street, Fifth Floor, Boston, MA
Preamble
The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free
Cisco Aironet 600 Series OfficeExtend Access Point User Guide
