1181834Sroberto@node ntpdsim Invocation 2181834Sroberto@section Invoking ntpdsim 3181834Sroberto@pindex ntpdsim 4181834Sroberto@cindex NTP daemon simulation program 5181834Sroberto@ignore 6181834Sroberto# 7181834Sroberto# EDIT THIS FILE WITH CAUTION (ntpdsim-opts.texi) 8181834Sroberto# 9200576Sroberto# It has been AutoGen-ed Tuesday December 8, 2009 at 08:13:15 AM EST 10181834Sroberto# From the definitions ntpdsim-opts.def 11181834Sroberto# and the template file aginfo.tpl 12181834Sroberto@end ignore 13181834SrobertoThis program has no explanation. 14181834Sroberto 15181834Sroberto 16181834Sroberto 17181834SrobertoThis section was generated by @strong{AutoGen}, 18181834Srobertothe aginfo template and the option descriptions for the @command{ntpdsim} program. It documents the ntpdsim usage text and option meanings. 19181834Sroberto 20181834SrobertoThis software is released under a specialized copyright license. 21181834Sroberto 22181834Sroberto@menu 23181834Sroberto* ntpdsim usage:: ntpdsim usage help (-?) 24181834Sroberto* ntpdsim authnoreq:: authnoreq option (-A) 25181834Sroberto* ntpdsim authreq:: authreq option (-a) 26181834Sroberto* ntpdsim bcastsync:: bcastsync option (-b) 27181834Sroberto* ntpdsim configfile:: configfile option (-c) 28181834Sroberto* ntpdsim debug-level:: debug-level option (-d) 29181834Sroberto* ntpdsim driftfile:: driftfile option (-f) 30181834Sroberto* ntpdsim dvar:: dvar option (-V) 31181834Sroberto* ntpdsim endsimtime:: endsimtime option (-S) 32181834Sroberto* ntpdsim freqerr:: freqerr option (-T) 33181834Sroberto* ntpdsim interface:: interface option (-I) 34181834Sroberto* ntpdsim ipv4:: ipv4 option (-4) 35181834Sroberto* ntpdsim ipv6:: ipv6 option (-6) 36181834Sroberto* ntpdsim jaildir:: jaildir option (-i) 37181834Sroberto* ntpdsim keyfile:: keyfile option (-k) 38181834Sroberto* ntpdsim logfile:: logfile option (-l) 39181834Sroberto* ntpdsim modifymmtimer:: modifymmtimer option (-M) 40181834Sroberto* ntpdsim ndelay:: ndelay option (-Y) 41181834Sroberto* ntpdsim nice:: nice option (-N) 42181834Sroberto* ntpdsim nofork:: nofork option (-n) 43181834Sroberto* ntpdsim novirtualips:: novirtualips option (-L) 44181834Sroberto* ntpdsim panicgate:: panicgate option (-g) 45181834Sroberto* ntpdsim pdelay:: pdelay option (-Z) 46181834Sroberto* ntpdsim phasenoise:: phasenoise option (-C) 47181834Sroberto* ntpdsim pidfile:: pidfile option (-p) 48181834Sroberto* ntpdsim priority:: priority option (-P) 49181834Sroberto* ntpdsim propagationdelay:: propagationdelay option (-r) 50181834Sroberto* ntpdsim quit:: quit option (-q) 51181834Sroberto* ntpdsim servertime:: servertime option (-O) 52181834Sroberto* ntpdsim set-debug-level:: set-debug-level option (-D) 53181834Sroberto* ntpdsim simbroadcastdelay:: simbroadcastdelay option (-B) 54181834Sroberto* ntpdsim simslew:: simslew option (-H) 55181834Sroberto* ntpdsim slew:: slew option (-x) 56181834Sroberto* ntpdsim statsdir:: statsdir option (-s) 57181834Sroberto* ntpdsim trustedkey:: trustedkey option (-t) 58181834Sroberto* ntpdsim updateinterval:: updateinterval option (-U) 59181834Sroberto* ntpdsim user:: user option (-u) 60181834Sroberto* ntpdsim var:: var option (-v) 61181834Sroberto* ntpdsim walknoise:: walknoise option (-W) 62181834Sroberto@end menu 63181834Sroberto 64181834Sroberto@node ntpdsim usage 65181834Sroberto@subsection ntpdsim usage help (-?) 66181834Sroberto@cindex ntpdsim usage 67181834Sroberto 68181834SrobertoThis is the automatically generated usage text for ntpdsim: 69181834Sroberto 70181834Sroberto@exampleindent 0 71181834Sroberto@example 72200576Srobertontpd - NTP daemon program - Ver. 4.2.5p247-RC 73200576SrobertoUSAGE: ntpdsim [ -<flag> [<val>] | --<name>[@{=| @}<val>] ]... 74200576Sroberto Flg Arg Option-Name Description 75200576Sroberto -4 no ipv4 Force IPv4 DNS name resolution 76200576Sroberto - prohibits these options: 77200576Sroberto ipv6 78200576Sroberto -6 no ipv6 Force IPv6 DNS name resolution 79200576Sroberto - prohibits these options: 80200576Sroberto ipv4 81200576Sroberto -a no authreq Require crypto authentication 82200576Sroberto - prohibits these options: 83200576Sroberto authnoreq 84200576Sroberto -A no authnoreq Do not require crypto authentication 85200576Sroberto - prohibits these options: 86200576Sroberto authreq 87200576Sroberto -b no bcastsync Allow us to sync to broadcast servers 88200576Sroberto -c Str configfile configuration file name 89200576Sroberto -d no debug-level Increase output debug message level 90200576Sroberto - may appear multiple times 91200576Sroberto -D Str set-debug-level Set the output debug message level 92200576Sroberto - may appear multiple times 93200576Sroberto -f Str driftfile frequency drift file name 94200576Sroberto -g no panicgate Allow the first adjustment to be Big 95200576Sroberto - may appear multiple times 96200576Sroberto -i --- jaildir built without --enable-clockctl or --enable-linuxcaps 97200576Sroberto -I Str interface Listen on an interface name or address 98200576Sroberto - may appear multiple times 99200576Sroberto -k Str keyfile path to symmetric keys 100200576Sroberto -l Str logfile path to the log file 101200576Sroberto -L no novirtualips Do not listen to virtual interfaces 102200576Sroberto -n no nofork Do not fork 103200576Sroberto -N no nice Run at high priority 104200576Sroberto -p Str pidfile path to the PID file 105200576Sroberto -P Num priority Process priority 106200576Sroberto -q no quit Set the time and quit 107200576Sroberto -r Str propagationdelay Broadcast/propagation delay 108200576Sroberto Str saveconfigquit Save parsed configuration and quit 109200576Sroberto -s Str statsdir Statistics file location 110200576Sroberto -t Str trustedkey Trusted key number 111200576Sroberto - may appear multiple times 112200576Sroberto -u --- user built without --enable-clockctl or --enable-linuxcaps 113200576Sroberto -U Num updateinterval interval in seconds between scans for new or dropped interfaces 114200576Sroberto Str var make ARG an ntp variable (RW) 115200576Sroberto - may appear multiple times 116200576Sroberto Str dvar make ARG an ntp variable (RW|DEF) 117200576Sroberto - may appear multiple times 118200576Sroberto -x no slew Slew up to 600 seconds 119200576Sroberto opt version Output version information and exit 120200576Sroberto -? no help Display extended usage information and exit 121200576Sroberto -! no more-help Extended usage information passed thru pager 122200576Sroberto 123200576SrobertoOptions are specified by doubled hyphens and their name 124200576Srobertoor by a single hyphen and the flag character. 125200576Sroberto 126200576SrobertoThe following option preset mechanisms are supported: 127200576Sroberto - examining environment variables named NTPD_* 128200576Sroberto 129200576Sroberto 130200576Sroberto 131200576Srobertoplease send bug reports to: http://bugs.ntp.org, bugs@@ntp.org 132181834Sroberto@end example 133181834Sroberto@exampleindent 4 134181834Sroberto 135181834Sroberto@node ntpdsim ipv4 136181834Sroberto@subsection ipv4 option (-4) 137181834Sroberto@cindex ntpdsim-ipv4 138181834Sroberto 139181834SrobertoThis is the ``force ipv4 dns name resolution'' option. 140181834Sroberto 141181834SrobertoThis option has some usage constraints. It: 142181834Sroberto@itemize @bullet 143181834Sroberto@item 144181834Srobertois a member of the ipv4 class of options. 145181834Sroberto@end itemize 146181834Sroberto 147181834SrobertoForce DNS resolution of following host names on the command line 148181834Srobertoto the IPv4 namespace. 149181834Sroberto 150181834Sroberto@node ntpdsim ipv6 151181834Sroberto@subsection ipv6 option (-6) 152181834Sroberto@cindex ntpdsim-ipv6 153181834Sroberto 154181834SrobertoThis is the ``force ipv6 dns name resolution'' option. 155181834Sroberto 156181834SrobertoThis option has some usage constraints. It: 157181834Sroberto@itemize @bullet 158181834Sroberto@item 159181834Srobertois a member of the ipv4 class of options. 160181834Sroberto@end itemize 161181834Sroberto 162181834SrobertoForce DNS resolution of following host names on the command line 163181834Srobertoto the IPv6 namespace. 164181834Sroberto 165181834Sroberto@node ntpdsim authreq 166181834Sroberto@subsection authreq option (-a) 167181834Sroberto@cindex ntpdsim-authreq 168181834Sroberto 169181834SrobertoThis is the ``require crypto authentication'' option. 170181834Sroberto 171181834SrobertoThis option has some usage constraints. It: 172181834Sroberto@itemize @bullet 173181834Sroberto@item 174181834Srobertomust not appear in combination with any of the following options: 175181834Srobertoauthnoreq. 176181834Sroberto@end itemize 177181834Sroberto 178181834SrobertoRequire cryptographic authentication for broadcast client, 179181834Srobertomulticast client and symmetric passive associations. 180181834SrobertoThis is the default. 181181834Sroberto 182181834Sroberto@node ntpdsim authnoreq 183181834Sroberto@subsection authnoreq option (-A) 184181834Sroberto@cindex ntpdsim-authnoreq 185181834Sroberto 186181834SrobertoThis is the ``do not require crypto authentication'' option. 187181834Sroberto 188181834SrobertoThis option has some usage constraints. It: 189181834Sroberto@itemize @bullet 190181834Sroberto@item 191181834Srobertomust not appear in combination with any of the following options: 192181834Srobertoauthreq. 193181834Sroberto@end itemize 194181834Sroberto 195181834SrobertoDo not require cryptographic authentication for broadcast client, 196181834Srobertomulticast client and symmetric passive associations. 197181834SrobertoThis is almost never a good idea. 198181834Sroberto 199181834Sroberto@node ntpdsim bcastsync 200181834Sroberto@subsection bcastsync option (-b) 201181834Sroberto@cindex ntpdsim-bcastsync 202181834Sroberto 203181834SrobertoThis is the ``allow us to sync to broadcast servers'' option. 204181834Sroberto 205181834Sroberto 206181834Sroberto@node ntpdsim simbroadcastdelay 207181834Sroberto@subsection simbroadcastdelay option (-B) 208181834Sroberto@cindex ntpdsim-simbroadcastdelay 209181834Sroberto 210181834SrobertoThis is the ``simulator broadcast delay'' option. 211181834Sroberto 212181834Sroberto 213181834Sroberto@node ntpdsim configfile 214181834Sroberto@subsection configfile option (-c) 215181834Sroberto@cindex ntpdsim-configfile 216181834Sroberto 217181834SrobertoThis is the ``configuration file name'' option. 218181834SrobertoThe name and path of the configuration file, 219181834Sroberto/etc/ntp.conf 220181834Srobertoby default. 221181834Sroberto 222181834Sroberto@node ntpdsim phasenoise 223181834Sroberto@subsection phasenoise option (-C) 224181834Sroberto@cindex ntpdsim-phasenoise 225181834Sroberto 226181834SrobertoThis is the ``phase noise level'' option. 227181834Sroberto 228181834Sroberto 229181834Sroberto@node ntpdsim debug-level 230181834Sroberto@subsection debug-level option (-d) 231181834Sroberto@cindex ntpdsim-debug-level 232181834Sroberto 233181834SrobertoThis is the ``increase output debug message level'' option. 234181834Sroberto 235181834SrobertoThis option has some usage constraints. It: 236181834Sroberto@itemize @bullet 237181834Sroberto@item 238181834Srobertomay appear an unlimited number of times. 239181834Sroberto@item 240181834Srobertomust be compiled in by defining @code{DEBUG} during the compilation. 241181834Sroberto@end itemize 242181834Sroberto 243181834SrobertoIncrease the debugging message output level. 244181834Sroberto 245181834Sroberto@node ntpdsim set-debug-level 246181834Sroberto@subsection set-debug-level option (-D) 247181834Sroberto@cindex ntpdsim-set-debug-level 248181834Sroberto 249181834SrobertoThis is the ``set the output debug message level'' option. 250181834Sroberto 251181834SrobertoThis option has some usage constraints. It: 252181834Sroberto@itemize @bullet 253181834Sroberto@item 254181834Srobertomay appear an unlimited number of times. 255181834Sroberto@item 256181834Srobertomust be compiled in by defining @code{DEBUG} during the compilation. 257181834Sroberto@end itemize 258181834Sroberto 259181834SrobertoSet the output debugging level. Can be supplied multiple times, 260181834Srobertobut each overrides the previous value(s). 261181834Sroberto 262181834Sroberto@node ntpdsim driftfile 263181834Sroberto@subsection driftfile option (-f) 264181834Sroberto@cindex ntpdsim-driftfile 265181834Sroberto 266181834SrobertoThis is the ``frequency drift file name'' option. 267181834SrobertoThe name and path of the frequency file, 268181834Sroberto/etc/ntp.drift 269181834Srobertoby default. 270181834SrobertoThis is the same operation as the 271181834Srobertodriftfile driftfile 272181834Srobertoconfiguration specification in the 273181834Sroberto/etc/ntp.conf 274181834Srobertofile. 275181834Sroberto 276181834Sroberto@node ntpdsim panicgate 277181834Sroberto@subsection panicgate option (-g) 278181834Sroberto@cindex ntpdsim-panicgate 279181834Sroberto 280181834SrobertoThis is the ``allow the first adjustment to be big'' option. 281181834SrobertoNormally, 282181834Srobertontpd 283181834Srobertoexits with a message to the system log if the offset exceeds the panic threshold, which is 1000 s by default. This option allows the time to be set to any value without restriction; however, this can happen only once. If the threshold is exceeded after that, 284181834Srobertontpd 285181834Srobertowill exit with a message to the system log. This option can be used with the 286181834Sroberto-q 287181834Srobertoand 288181834Sroberto-x 289181834Srobertooptions. 290181834SrobertoSee the 291181834Srobertotinker 292181834Srobertoconfiguration file directive for other options. 293181834Sroberto 294181834Sroberto@node ntpdsim simslew 295181834Sroberto@subsection simslew option (-H) 296181834Sroberto@cindex ntpdsim-simslew 297181834Sroberto 298181834SrobertoThis is the ``simuator slew'' option. 299181834Sroberto 300181834Sroberto 301181834Sroberto@node ntpdsim jaildir 302181834Sroberto@subsection jaildir option (-i) 303181834Sroberto@cindex ntpdsim-jaildir 304181834Sroberto 305181834SrobertoThis is the ``jail directory'' option. 306181834SrobertoChroot the server to the directory 307181834Srobertojaildir 308181834Sroberto. 309181834SrobertoThis option also implies that the server attempts to drop root privileges at startup (otherwise, chroot gives very little additional security), and it is only available if the OS supports to run the server without full root privileges. 310181834SrobertoYou may need to also specify a 311181834Sroberto-u 312181834Srobertooption. 313181834Sroberto 314181834Sroberto@node ntpdsim interface 315181834Sroberto@subsection interface option (-I) 316181834Sroberto@cindex ntpdsim-interface 317181834Sroberto 318181834SrobertoThis is the ``listen on interface'' option. 319181834Sroberto 320181834SrobertoThis option has some usage constraints. It: 321181834Sroberto@itemize @bullet 322181834Sroberto@item 323181834Srobertomay appear an unlimited number of times. 324181834Sroberto@end itemize 325181834Sroberto 326181834Sroberto 327181834Sroberto 328181834Sroberto@node ntpdsim keyfile 329181834Sroberto@subsection keyfile option (-k) 330181834Sroberto@cindex ntpdsim-keyfile 331181834Sroberto 332181834SrobertoThis is the ``path to symmetric keys'' option. 333181834SrobertoSpecify the name and path of the symmetric key file. 334181834Sroberto/etc/ntp.keys 335181834Srobertois the default. 336181834SrobertoThis is the same operation as the 337181834Srobertokeys keyfile 338181834Srobertoconfiguration file directive. 339181834Sroberto 340181834Sroberto@node ntpdsim logfile 341181834Sroberto@subsection logfile option (-l) 342181834Sroberto@cindex ntpdsim-logfile 343181834Sroberto 344181834SrobertoThis is the ``path to the log file'' option. 345181834SrobertoSpecify the name and path of the log file. 346181834SrobertoThe default is the system log file. 347181834SrobertoThis is the same operation as the 348181834Srobertologfile logfile 349181834Srobertoconfiguration file directive. 350181834Sroberto 351181834Sroberto@node ntpdsim novirtualips 352181834Sroberto@subsection novirtualips option (-L) 353181834Sroberto@cindex ntpdsim-novirtualips 354181834Sroberto 355181834SrobertoThis is the ``do not listen to virtual ips'' option. 356181834SrobertoDo not listen to virtual IPs. The default is to listen. 357181834Sroberto 358181834Sroberto@node ntpdsim modifymmtimer 359181834Sroberto@subsection modifymmtimer option (-M) 360181834Sroberto@cindex ntpdsim-modifymmtimer 361181834Sroberto 362181834SrobertoThis is the ``modify multimedia timer (windows only)'' option. 363181834Sroberto 364181834SrobertoThis option has some usage constraints. It: 365181834Sroberto@itemize @bullet 366181834Sroberto@item 367181834Srobertomust be compiled in by defining @code{SYS_WINNT} during the compilation. 368181834Sroberto@end itemize 369181834Sroberto 370181834SrobertoSet the Windows Multimedia Timer to highest resolution. 371181834Sroberto 372181834Sroberto@node ntpdsim nofork 373181834Sroberto@subsection nofork option (-n) 374181834Sroberto@cindex ntpdsim-nofork 375181834Sroberto 376181834SrobertoThis is the ``do not fork'' option. 377181834Sroberto 378181834Sroberto 379181834Sroberto@node ntpdsim nice 380181834Sroberto@subsection nice option (-N) 381181834Sroberto@cindex ntpdsim-nice 382181834Sroberto 383181834SrobertoThis is the ``run at high priority'' option. 384181834SrobertoTo the extent permitted by the operating system, run 385181834Srobertontpd 386181834Srobertoat the highest priority. 387181834Sroberto 388181834Sroberto@node ntpdsim servertime 389181834Sroberto@subsection servertime option (-O) 390181834Sroberto@cindex ntpdsim-servertime 391181834Sroberto 392181834SrobertoThis is the ``server time'' option. 393181834Sroberto 394181834Sroberto 395181834Sroberto@node ntpdsim pidfile 396181834Sroberto@subsection pidfile option (-p) 397181834Sroberto@cindex ntpdsim-pidfile 398181834Sroberto 399181834SrobertoThis is the ``path to the pid file'' option. 400181834SrobertoSpecify the name and path of the file used to record 401181834Srobertontpd's 402181834Srobertoprocess ID. 403181834SrobertoThis is the same operation as the 404181834Srobertopidfile pidfile 405181834Srobertoconfiguration file directive. 406181834Sroberto 407181834Sroberto@node ntpdsim priority 408181834Sroberto@subsection priority option (-P) 409181834Sroberto@cindex ntpdsim-priority 410181834Sroberto 411181834SrobertoThis is the ``process priority'' option. 412181834SrobertoTo the extent permitted by the operating system, run 413181834Srobertontpd 414181834Srobertoat the specified 415181834Srobertosched_setscheduler(SCHED_FIFO) 416181834Srobertopriority. 417181834Sroberto 418181834Sroberto@node ntpdsim quit 419181834Sroberto@subsection quit option (-q) 420181834Sroberto@cindex ntpdsim-quit 421181834Sroberto 422181834SrobertoThis is the ``set the time and quit'' option. 423181834Srobertontpd 424181834Srobertowill exit just after the first time the clock is set. This behavior mimics that of the 425181834Srobertontpdate 426181834Srobertoprogram, which is to be retired. 427181834SrobertoThe 428181834Sroberto-g 429181834Srobertoand 430181834Sroberto-x 431181834Srobertooptions can be used with this option. 432181834SrobertoNote: The kernel time discipline is disabled with this option. 433181834Sroberto 434181834Sroberto@node ntpdsim propagationdelay 435181834Sroberto@subsection propagationdelay option (-r) 436181834Sroberto@cindex ntpdsim-propagationdelay 437181834Sroberto 438181834SrobertoThis is the ``broadcast/propagation delay'' option. 439181834SrobertoSpecify the default propagation delay from the broadcast/multicast server to this client. This is necessary only if the delay cannot be computed automatically by the protocol. 440181834Sroberto 441181834Sroberto@node ntpdsim updateinterval 442181834Sroberto@subsection updateinterval option (-U) 443181834Sroberto@cindex ntpdsim-updateinterval 444181834Sroberto 445181834SrobertoThis is the ``interval in seconds between scans for new or dropped interfaces'' option. 446181834SrobertoGive the time in seconds between two scans for new or dropped interfaces. 447181834SrobertoFor systems with routing socket support the scans will be performed shortly after the interface change 448181834Srobertohas been detected by the system. 449181834SrobertoUse 0 to disable scanning. 450181834Sroberto 451181834Sroberto@node ntpdsim statsdir 452181834Sroberto@subsection statsdir option (-s) 453181834Sroberto@cindex ntpdsim-statsdir 454181834Sroberto 455181834SrobertoThis is the ``statistics file location'' option. 456181834SrobertoSpecify the directory path for files created by the statistics facility. 457181834SrobertoThis is the same operation as the 458181834Srobertostatsdir statsdir 459181834Srobertoconfiguration file directive. 460181834Sroberto 461181834Sroberto@node ntpdsim endsimtime 462181834Sroberto@subsection endsimtime option (-S) 463181834Sroberto@cindex ntpdsim-endsimtime 464181834Sroberto 465181834SrobertoThis is the ``simulation end time'' option. 466181834Sroberto 467181834Sroberto 468181834Sroberto@node ntpdsim trustedkey 469181834Sroberto@subsection trustedkey option (-t) 470181834Sroberto@cindex ntpdsim-trustedkey 471181834Sroberto 472181834SrobertoThis is the ``trusted key number'' option. 473181834Sroberto 474181834SrobertoThis option has some usage constraints. It: 475181834Sroberto@itemize @bullet 476181834Sroberto@item 477181834Srobertomay appear an unlimited number of times. 478181834Sroberto@end itemize 479181834Sroberto 480181834SrobertoAdd a key number to the trusted key list. 481181834Sroberto 482181834Sroberto@node ntpdsim freqerr 483181834Sroberto@subsection freqerr option (-T) 484181834Sroberto@cindex ntpdsim-freqerr 485181834Sroberto 486181834SrobertoThis is the ``simulation frequency error'' option. 487181834Sroberto 488181834Sroberto 489181834Sroberto@node ntpdsim walknoise 490181834Sroberto@subsection walknoise option (-W) 491181834Sroberto@cindex ntpdsim-walknoise 492181834Sroberto 493181834SrobertoThis is the ``simulation random walk noise'' option. 494181834Sroberto 495181834Sroberto 496181834Sroberto@node ntpdsim user 497181834Sroberto@subsection user option (-u) 498181834Sroberto@cindex ntpdsim-user 499181834Sroberto 500181834SrobertoThis is the ``run as userid (or userid:groupid)'' option. 501181834SrobertoSpecify a user, and optionally a group, to switch to. 502181834SrobertoThis option is only available if the OS supports to run the server without full root privileges. 503181834SrobertoCurrently, this option is supported under NetBSD (configure with 504181834Sroberto--enable-clockctl 505181834Sroberto) and Linux (configure with 506181834Sroberto--enable-linuxcaps 507181834Sroberto). 508181834Sroberto 509181834Sroberto@node ntpdsim var 510181834Sroberto@subsection var option (-v) 511181834Sroberto@cindex ntpdsim-var 512181834Sroberto 513181834SrobertoThis is the ``make arg an ntp variable (rw)'' option. 514181834Sroberto 515181834SrobertoThis option has some usage constraints. It: 516181834Sroberto@itemize @bullet 517181834Sroberto@item 518181834Srobertomay appear an unlimited number of times. 519181834Sroberto@end itemize 520181834Sroberto 521181834Sroberto 522181834Sroberto 523181834Sroberto@node ntpdsim dvar 524181834Sroberto@subsection dvar option (-V) 525181834Sroberto@cindex ntpdsim-dvar 526181834Sroberto 527181834SrobertoThis is the ``make arg an ntp variable (rw|def)'' option. 528181834Sroberto 529181834SrobertoThis option has some usage constraints. It: 530181834Sroberto@itemize @bullet 531181834Sroberto@item 532181834Srobertomay appear an unlimited number of times. 533181834Sroberto@end itemize 534181834Sroberto 535181834Sroberto 536181834Sroberto 537181834Sroberto@node ntpdsim slew 538181834Sroberto@subsection slew option (-x) 539181834Sroberto@cindex ntpdsim-slew 540181834Sroberto 541181834SrobertoThis is the ``slew up to 600 seconds'' option. 542181834SrobertoNormally, the time is slewed if the offset is less than the step threshold, which is 128 ms by default, and stepped if above the threshold. 543181834SrobertoThis option sets the threshold to 600 s, which is well within the accuracy window to set the clock manually. 544181834SrobertoNote: Since the slew rate of typical Unix kernels is limited to 0.5 ms/s, each second of adjustment requires an amortization interval of 2000 s. 545181834SrobertoThus, an adjustment as much as 600 s will take almost 14 days to complete. 546181834SrobertoThis option can be used with the 547181834Sroberto-g 548181834Srobertoand 549181834Sroberto-q 550181834Srobertooptions. 551181834SrobertoSee the 552181834Srobertotinker 553181834Srobertoconfiguration file directive for other options. 554181834SrobertoNote: The kernel time discipline is disabled with this option. 555181834Sroberto 556181834Sroberto@node ntpdsim ndelay 557181834Sroberto@subsection ndelay option (-Y) 558181834Sroberto@cindex ntpdsim-ndelay 559181834Sroberto 560181834SrobertoThis is the ``simulation network delay'' option. 561181834Sroberto 562181834Sroberto 563181834Sroberto@node ntpdsim pdelay 564181834Sroberto@subsection pdelay option (-Z) 565181834Sroberto@cindex ntpdsim-pdelay 566181834Sroberto 567181834SrobertoThis is the ``simulation processing delay'' option. 568181834Sroberto 569