Juniper JUNOSE 11.3, Configuration Manual

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Peer—IP address of server, status of the server: configured, master, selected,
candidate, correct, or unusable
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configured—Confirmation that you assigned this NTP server to the system
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master — System has chosen this server as the master
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selected — System will consider this server when it chooses the master
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candidate — System may consider this server when it chooses the master
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correct—System considers the server’s clock to be reasonably correct
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unusable — Server does not meet the initial criteria for the master
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stratum—Number of hops between the server and its stratum 1 server
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Peer is a Broadcast/Configured Server—Type of NTP server: one that broadcasts
NTP messages or one you have configured for NTP services
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version—Version of NTP on the server
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polled every—Time between NTP requests from the system to the server
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polls every—Time between NTP requests from the server to its NTP servers
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Root Delay—Round-trip time between the server and its stratum 1 root server
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Root Dispersion—Measure of all the errors associated with the network hops and
servers between the server and its stratum 1 server
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Sync Dist.—Measure of the total time error since the update in the path to the
stratum 1 server
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Peer Delay—Round-trip delay, with the lowest dispersion value in the sample
buffer, between the system and the server
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Peer Dispersion—Lowest measure, in the sample buffer, of the error associated
with the peer offset, based on the peer delay and precision
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Offset—Difference, with the lowest dispersion in the sample buffer, between the
system’s clock and the server’s clock
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Reachability — 8-bit number that shows whether or not the NTP server responded
to the last eight requests from the system; one indicates a response; zero indicates
no response. For example, 11111111 indicates that the NTP server responded to the
last eight requests. If the system reaches one server less often than it does other
servers, that server is not a good choice for the master.
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Precision—Length of the clock tick (interrupt interval) of the server’s clock
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Source—IP address of the interface to which NTP servers should send NTP
responses
Copyright © 2010, Juniper Networks, Inc. 520
JunosE 11.3.x System Basics Configuration Guide