Re: [ntp:questions] iburst and NIST servers

2015-08-02 Thread Mike Cook
Just checked that the iburst rate is one packet every 2 secs for a responding client , total 6 . 16:45:00.115534 IP 209.200.39.7.123 > 129.6.15.30.123: NTPv4, Client, length 48 16:45:00.206980 IP 129.6.15.30.123 > 209.200.39.7.123: NTPv4, Server, length 48 16:45:02.122616 IP 209.200.39.7.123 > 1

Re: [ntp:questions] iburst and NIST servers

2015-08-02 Thread Charles Swiger
On Aug 2, 2015, at 2:31 AM, Mike Cook wrote: > Can anyone confirm that this is an issue? > > I habitually put an burst directive in my ntp.conf server statements. ex: > > server 129.6.15.30 noselect iburst minpoll 4 maxpoll 6 > server 128.138.140.44 noselect iburst minpoll 4 maxpoll 6 >

[ntp:questions] iburst and NIST servers

2015-08-02 Thread Mike Cook
Hi, Can anyone confirm that this is an issue? I habitually put an burst directive in my ntp.conf server statements. ex: server 129.6.15.30 noselect iburst minpoll 4 maxpoll 6 server 128.138.140.44 noselect iburst minpoll 4 maxpoll 6 server 98.175.203.200 noselect iburst minpoll 4 maxp

[ntp:questions] NIST server anomaly

2015-08-02 Thread Mike Cook
While modifying a couple of servers ntp configs to test their UT1 service I noticed the following that seem odd. If anyone has seen the same I would like to know and if there are plausible explanations I would also be interested. The issue pertains to server time-c.nist.gov (129.6.15.30) which