From: Brian Dennis (brian@5g.net)
Date: Sun Dec 01 2002 - 14:32:50 GMT-3
A very good explanation of NTP modes can be found in RFC 1305 (NTP v3
Specification, Implementation and Analysis).
http://www.faqs.org/rfcs/rfc1305.html
Brian Dennis, CCIE #2210 (R&S/ISP Dial/Security)
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
John Tafasi
Sent: Saturday, November 30, 2002 11:26 PM
To: Cisco Group Study; ccielab
Subject: ntp packets modes
the debug ntp packets command shows packets sent and received with
different
modes. What are these modes? can some one explain?
R5-2503#
Mar 6 02:42:08.879: NTP: rcv packet from 10.10.10.1 to 10.10.10.2 on
BRI0:
Mar 6 02:42:08.883: leap 0, mode 2, version 3, stratum 8, ppoll 64
Mar 6 02:42:08.887: rtdel 0000 (0.000), rtdsp 0009 (0.137), refid
7F7F0701
(12
7.127.7.1)
Mar 6 02:42:08.891: ref AF428DF1.DDC96254 (02:41:53.866 UTC Sat Mar 6
1993)
Mar 6 02:42:08.891: org AF428DCF.F7F245A8 (02:41:19.968 UTC Sat Mar 6
1993)
Mar 6 02:42:08.895: rec AF428DCF.FC06E685 (02:41:19.984 UTC Sat Mar 6
1993)
Mar 6 02:42:08.899: xmt AF428E00.DDC524C4 (02:42:08.866 UTC Sat Mar 6
1993)
Mar 6 02:42:08.903: inp AF428E00.E1C1EE1B (02:42:08.881 UTC Sat Mar 6
1993)
R5-2503#
Mar 6 02:42:23.966: NTP: xmit packet to 10.10.10.1:
Mar 6 02:42:23.970: leap 0, mode 1, version 3, stratum 8, ppoll 1024
Mar 6 02:42:23.970: rtdel 0000 (0.000), rtdsp 000B (0.168), refid
7F7F0701
(12
7.127.7.1)
Mar 6 02:42:23.974: ref AF428DEF.F7D4D2C0 (02:41:51.968 UTC Sat Mar 6
1993)
Mar 6 02:42:23.978: org AF428E00.DDC524C4 (02:42:08.866 UTC Sat Mar 6
1993)
Mar 6 02:42:23.982: rec AF428E00.E1C1EE1B (02:42:08.881 UTC Sat Mar 6
1993)
Mar 6 02:42:23.986: xmt AF428E0F.F7B05F8D (02:42:23.967 UTC Sat Mar 6
1993)
R5-2503#
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