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| linux.debian.user debian-user@lists.debian.org. |
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#1 |
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Messages: n/a
Hébergeur: |
Yes I am in Asia.
I picked up three server from the script as fallows. 202.234.64.222 124.10.47.8 152.118.24.8 And run the ntpdate command, But still i am facing the same problem and got the following Error. [root@localhost etc]# ntpdate -ud 152.118.24.8 18 Jun 10:08:55 ntpdate[8675]: ntpdate 4.2.0a@1.1190-r Mon Oct 11 09:10:21 EDT 2004 (1) Looking for host 152.118.24.8 and service ntp host found : uicsgtw.cs.ui.ac.id transmit(152.118.24.8) transmit(152.118.24.8) transmit(152.118.24.8) transmit(152.118.24.8) transmit(152.118.24.8) 152.118.24.8: Server dropped: no data server 152.118.24.8, port 123 stratum 0, precision 0, leap 00, trust 000 refid [152.118.24.8], delay 0.00000, dispersion 64.00000 transmitted 4, in filter 4 reference time: 00000000.00000000 Thu, Feb 7 2036 11:58:16.000 originate timestamp: 00000000.00000000 Thu, Feb 7 2036 11:58:16.000 transmit timestamp: ca208ae3.c947bedb Mon, Jun 18 2007 10:08:59.786 filter delay: 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 filter offset: 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 delay 0.00000, dispersion 64.00000 offset 0.000000 18 Jun 10:09:00 ntpdate[8675]: no server suitable for synchronization found Is it necessary to access time server only on Live server in my organization or i can access it on internal network PC? ----- Original Message ----- From: "Rick Thomas" <rbthomas55@pobox.com> To: "anup" <anup.behare@einfochips.com> Cc: <debian-user@lists.debian.org> Sent: Sunday, June 17, 2007 10:54 AM Subject: Re: ntpdate[5498]: no server suitable for synchronization found I assume you are in Asia. If so, run the following script and examine the output. Pick three hosts that look best and use them in place of "3.asia.pool.ntp.org". Script: --------cut here--------------- for i in 0 1 2 3 do host $i.asia.pool.ntp.org done | while read x echo "" do y="$(echo $x | sed 's/^.*has address //')" ping -c10 -q $y host $y done --------cut here--------------- Criteria for a "good" host: no more than 10% packet loss. max round trip time is acceptably low deviation (mdev or stddev, depending on which version of ping) of round trip time is acceptably low. Enjoy! Rick |
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#2 |
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Messages: n/a
Hébergeur: |
It's starting to look like you have firewall problems.
Is port 123 (ntp) allowed through your organizational firewall? If not, you may need to talk to your network administrators. Rick On Jun 18, 2007, at 12:53 AM, anup wrote: > Yes I am in Asia. > I picked up three server from the script as fallows. > 202.234.64.222 > 124.10.47.8 > 152.118.24.8 > And run the ntpdate command, But still i am facing the same > problem and got the following Error. > > [root@localhost etc]# ntpdate -ud 152.118.24.8 > 18 Jun 10:08:55 ntpdate[8675]: ntpdate 4.2.0a@1.1190-r Mon Oct 11 > 09:10:21 EDT 2004 (1) > Looking for host 152.118.24.8 and service ntp > host found : uicsgtw.cs.ui.ac.id > transmit(152.118.24.8) > transmit(152.118.24.8) > transmit(152.118.24.8) > transmit(152.118.24.8) > transmit(152.118.24.8) > 152.118.24.8: Server dropped: no data > server 152.118.24.8, port 123 > stratum 0, precision 0, leap 00, trust 000 > refid [152.118.24.8], delay 0.00000, dispersion 64.00000 > transmitted 4, in filter 4 > reference time: 00000000.00000000 Thu, Feb 7 2036 11:58:16.000 > originate timestamp: 00000000.00000000 Thu, Feb 7 2036 11:58:16.000 > transmit timestamp: ca208ae3.c947bedb Mon, Jun 18 2007 10:08:59.786 > filter delay: 0.00000 0.00000 0.00000 0.00000 > 0.00000 0.00000 0.00000 0.00000 > filter offset: 0.000000 0.000000 0.000000 0.000000 > 0.000000 0.000000 0.000000 0.000000 > delay 0.00000, dispersion 64.00000 > offset 0.000000 > > 18 Jun 10:09:00 ntpdate[8675]: no server suitable for > synchronization found > > > Is it necessary to access time server only on Live server in my > organization or i can access it on internal network PC? > > > > ----- Original Message ----- From: "Rick Thomas" > <rbthomas55@pobox.com> > To: "anup" <anup.behare@einfochips.com> > Cc: <debian-user@lists.debian.org> > Sent: Sunday, June 17, 2007 10:54 AM > > Subject: Re: ntpdate[5498]: no server suitable for synchronization > found > > I assume you are in Asia. If so, run the following script and > examine the output. Pick three hosts that look best and use them > in place of "3.asia.pool.ntp.org". > > Script: > --------cut here--------------- > for i in 0 1 2 3 > do > host $i.asia.pool.ntp.org > done | while read x > echo "" > do y="$(echo $x | sed 's/^.*has address //')" > ping -c10 -q $y > host $y > done > --------cut here--------------- > Criteria for a "good" host: > no more than 10% packet loss. > max round trip time is acceptably low > > deviation (mdev or stddev, depending on which version of ping) of > round trip time is acceptably low. > > Enjoy! > > Rick -- To UNSUBSCRIBE, email to debian-user-REQUEST@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org |
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#3 |
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Messages: n/a
Hébergeur: |
Thanks Rick. That was the problem of firewall. ~Anup ----- Original Message ----- From: "Rick Thomas" <rbthomas55@pobox.com> To: "anup" <anup.behare@einfochips.com> Cc: <debian-user@lists.debian.org> Sent: Monday, June 18, 2007 2:03 PM Subject: Re: ntpdate[5498]: no server suitable for synchronization found > It's starting to look like you have firewall problems. > > Is port 123 (ntp) allowed through your organizational firewall? > > If not, you may need to talk to your network administrators. > > Rick > > On Jun 18, 2007, at 12:53 AM, anup wrote: > >> Yes I am in Asia. >> I picked up three server from the script as fallows. >> 202.234.64.222 >> 124.10.47.8 >> 152.118.24.8 >> And run the ntpdate command, But still i am facing the same problem and >> got the following Error. >> >> [root@localhost etc]# ntpdate -ud 152.118.24.8 >> 18 Jun 10:08:55 ntpdate[8675]: ntpdate 4.2.0a@1.1190-r Mon Oct 11 >> 09:10:21 EDT 2004 (1) >> Looking for host 152.118.24.8 and service ntp >> host found : uicsgtw.cs.ui.ac.id >> transmit(152.118.24.8) >> transmit(152.118.24.8) >> transmit(152.118.24.8) >> transmit(152.118.24.8) >> transmit(152.118.24.8) >> 152.118.24.8: Server dropped: no data >> server 152.118.24.8, port 123 >> stratum 0, precision 0, leap 00, trust 000 >> refid [152.118.24.8], delay 0.00000, dispersion 64.00000 >> transmitted 4, in filter 4 >> reference time: 00000000.00000000 Thu, Feb 7 2036 11:58:16.000 >> originate timestamp: 00000000.00000000 Thu, Feb 7 2036 11:58:16.000 >> transmit timestamp: ca208ae3.c947bedb Mon, Jun 18 2007 10:08:59.786 >> filter delay: 0.00000 0.00000 0.00000 0.00000 >> 0.00000 0.00000 0.00000 0.00000 >> filter offset: 0.000000 0.000000 0.000000 0.000000 >> 0.000000 0.000000 0.000000 0.000000 >> delay 0.00000, dispersion 64.00000 >> offset 0.000000 >> >> 18 Jun 10:09:00 ntpdate[8675]: no server suitable for synchronization >> found >> >> >> Is it necessary to access time server only on Live server in my >> organization or i can access it on internal network PC? >> >> >> >> ----- Original Message ----- From: "Rick Thomas" <rbthomas55@pobox.com> >> To: "anup" <anup.behare@einfochips.com> >> Cc: <debian-user@lists.debian.org> >> Sent: Sunday, June 17, 2007 10:54 AM >> >> Subject: Re: ntpdate[5498]: no server suitable for synchronization found >> >> I assume you are in Asia. If so, run the following script and examine >> the output. Pick three hosts that look best and use them in place of >> "3.asia.pool.ntp.org". >> >> Script: >> --------cut here--------------- >> for i in 0 1 2 3 >> do >> host $i.asia.pool.ntp.org >> done | while read x >> echo "" >> do y="$(echo $x | sed 's/^.*has address //')" >> ping -c10 -q $y >> host $y >> done >> --------cut here--------------- >> Criteria for a "good" host: >> no more than 10% packet loss. >> max round trip time is acceptably low >> >> deviation (mdev or stddev, depending on which version of ping) of round >> trip time is acceptably low. >> >> Enjoy! >> >> Rick > > > > - This message has been scanned for viruses, spam and dangerous content by > www.CleanMailGateway.com, and is believed to be clean. > -- To UNSUBSCRIBE, email to debian-user-REQUEST@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org |
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