Re: [ntp:questions] ntpq -c

2012-05-22 Thread Richard B. Gilbert
On 5/21/2012 9:58 AM, Luc Roels wrote: Hi, I am an NTP newbie but have been asked to debug a problem in our system. Our software uses the output of the ntpd -c "rv assid" 127.0.0.1 to determine if the NTP server is reachable and if it is synced or not by inspecting the filtoffset line.

Re: [ntp:questions] outout of ntpq -p

2012-05-22 Thread Rick Jones
Chris Albertson wrote: > > In a nutshell, displaying IPv6 addresses and 80 column formatting > > simply aren't compatible. An IPv6 address is simply going to > > consume too much space for that. It may be that we aren't supposed > > to parse the output of the likes of ntpq -p but still... > A com

[ntp:questions] [ntp:announce] BitKeeper and rsync access to the NTP Source Code Repositories

2012-05-22 Thread Steve Kostecke
BitMover's ntp.bkbits.net service is no longer operational and we are pleased to announce our replacement service at bk.ntp.org. The NTP BitKeeper Repositories are now located at bk.ntp.org; please configure your BitKeeper client to use this new host-name. A web interface to the BitKeeper metadat

Re: [ntp:questions] [Thumbgps-devel] good paper on timing and delay

2012-05-22 Thread David Woolley
unruh wrote: However, the orbit of the sattelite is known exactly. Thus the propagation delay can be calculated to nanosecond accuracy once the position of the receiver is known, and that can be done by fitting the signals from three sattelites. In the network situation, the delay is unkown and

Re: [ntp:questions] outout of ntpq -p

2012-05-22 Thread Chris Albertson
> In a nutshell, displaying IPv6 addresses and 80 column formatting > simply aren't compatible.  An IPv6 address is simply going to consume > too much space for that. It may be that we aren't supposed to parse the > output of the likes of ntpq -p but still... A compromise might be to always write

Re: [ntp:questions] outout of ntpq -p

2012-05-22 Thread Rick Jones
Dave Hart wrote: > ntpq -n -c lassoc -c "rv &1 srcadr" > If you omit the -n, the IP address will be reversed to a hostname if possible. > http://bugs.ntp.org/show_bug.cgi?id=1763 > has a similar discussion. In a nutshell, displaying IPv6 addresses and 80 column formatting simply aren't compati

Re: [ntp:questions] outout of ntpq -p

2012-05-22 Thread Rick Jones
unruh wrote: > What is the issue? What do you need help for and why? Is it > aesthetic? V6 addresses are too long for the V4 space alloted to > addresses in the output, so they are truncated. But why is this a > problem? I cannot speak for the OP, but it would seem that any two NTP servers who's

[ntp:questions] Something which may help improve delays

2012-05-22 Thread Rick Jones
I did a very cursory check to see if this was already brought-up but may have missed it. Folks interested in addressing highly variable delays in networks and such may find the "codel" AQM interesting. It seeks to keep the time packets spend in queues down as part of addressing "buffer bloat." I

Re: [ntp:questions] outout of ntpq -p

2012-05-22 Thread Dave Hart
On Mon, May 21, 2012 at 7:31 PM, Atul Gupta wrote: > I am syncing with ntp server whose ip is :-  2001:5b0:3eff:fffa::310 > But, when i run ntpq program to check the ntp status, i get following out out > :- > > # ntpq -p >     remote           refid      st t when poll reach   delay   offset  jit

Re: [ntp:questions] outout of ntpq -p

2012-05-22 Thread Atul Gupta
thanks for reply. Yes, this is my problem that address is allocated for ipv4 address, so i can't see my complete ipv6 address, and i am not able to know that what is complete ipv6 address of server i am synced with ( like in this case, i am synced with server 2001:5b0:3eff:fffa::310 while i see onl

Re: [ntp:questions] [Thumbgps-devel] good paper on timing and delay

2012-05-22 Thread unruh
On 2012-05-22, Dave Hart wrote: > On Tue, May 22, 2012 at 2:07 PM, Ron Frazier (NTP) > wrote: >> The essential problem of time sync is to observe one or more remote time >> servers, with variable and asymmetric propagation delays between you and >> them, and choose what the best time to set your c

Re: [ntp:questions] outout of ntpq -p

2012-05-22 Thread unruh
On 2012-05-21, Atul Gupta wrote: > Hi, > I am running my ntpd in ipv6 multicast mode, below is my conf file :- > > multicastclient ff05::101 > disable auth > driftfile /var/log/ntp/drift > logfile /var/log/ntp/ntp.log > > I am syncing with ntp server whose ip is :- 2001:5b0:3eff:fffa::310 > , whi

Re: [ntp:questions] [Thumbgps-devel] good paper on timing and delay

2012-05-22 Thread Dave Hart
On Tue, May 22, 2012 at 2:07 PM, Ron Frazier (NTP) wrote: > The essential problem of time sync is to observe one or more remote time > servers, with variable and asymmetric propagation delays between you and > them, and choose what the best time to set your clock is. Obviously, not > simple. > > H

Re: [ntp:questions] good paper on timing and delay

2012-05-22 Thread Ron Frazier (NTP)
Hi Dave T, and others, (I'm cross posting my reply to the NTP questions list since I think they'd be interested too. The original message was from the Thumbgps-devel mailing list.) I enjoyed that article. I'll admit to not spending 4 hours studying it, and sometimes my eyes glazed over, but I e

Re: [ntp:questions] ntpq -c

2012-05-22 Thread Lloyd Dizon
On Mon, May 21, 2012 at 3:58 PM, Luc Roels wrote: > I am an NTP newbie but have been asked to debug a problem in our system. Our > software uses the output of the ntpd -c "rv assid" 127.0.0.1 to determine if > the NTP server is reachable and if it is synced or not by inspecting the > filtoffset

[ntp:questions] ntpq -c

2012-05-22 Thread Luc Roels
Hi, I am an NTP newbie but have been asked to debug a problem in our system. Our software uses the output of the ntpd -c "rv assid" 127.0.0.1 to determine if the NTP server is reachable and if it is synced or not by inspecting the filtoffset line. On some machines this command takes up

[ntp:questions] outout of ntpq -p

2012-05-22 Thread Atul Gupta
Hi, I am running my ntpd in ipv6 multicast mode, below is my conf file :- multicastclient ff05::101 disable auth driftfile /var/log/ntp/drift logfile /var/log/ntp/ntp.log I am syncing with ntp server whose ip is :- 2001:5b0:3eff:fffa::310 , which i can verify through my ntp logs ( below ) :- rec