Chapter 1 Setting Up the ACE
Synchronizing the ACE with an NTP Server
1-26
Cisco 4700 Series Application Control Engine Appliance Administration Guide
OL-11157-01
For example, to display the counters maintained by the local NTP, enter:
switch/Admin# show ntp statistics local
Table 1-5 describes the fields in the show ntp statistics local command output.
Ta b l e 1-5 Field Descriptions for show ntp statistics local Command
Field Description
System uptime Length of time that the ACE has been running.
Time since reset Time in hours since the ACE was last rebooted.
Old version packets Number of packets that m
atch the previous NTP
version. The version number is in every NTP packet.
New version packets Number of packets that match the current NTP v
ersion.
The version number is in every NTP packet.
Unknown version number Number of packets with an unknown NTP version.
Bad packet format Number of NTP packets that were received and
d
ropped by the ACE due to an invalid packet format.
Packets processed Number of NTP packets received and processed by the
AC
E.
Bad authentication Number of packets not v
erified as authentic.
Dropped packets Total number of NTP packets dropped by the ACE
Ignored packets Total number of NTP packets ignored by the ACE
Received packets Total number of NTP packets received by the ACE
Packets sent Total number of NTP packets transmitted by the ACE
Packets not sent Total number of NTP packets not sent by the ACE due
to an error
Interrupts handled Total number of NTP timer interrupts handled by the
AC
E
Received by int Total number of pulses recei
ved that triggered an
interrupt
Table 1-4 Field Descriptions for show ntp statistics io Command (continued)
Field Description
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