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Cisco NCS 5000 Series User Manual

Cisco NCS 5000 Series
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PurposeCommand or Action
To complete the configuration of a peer-to-peer association
between the router and the remote device, the router must
also be configured as a peer on the remote device.
Note
Example:
RP/0/RP0/CPU0:router(config-ntp)# peer
192.168.22.33
minpoll 8 maxpoll 12 source tengige
0/0/0/1
Saves configuration changes.Use one of the following commands:
Step 5
end
When you issue the end command, the system prompts you to
commit changes:
Uncommitted changes found, commit them before
commit
Example:
RP/0/RP0/CPU0:router(config-ntp)# end
exiting(yes/no/cancel)?
[cancel]:
Entering yes saves configuration changes to the running
configuration file, exits the configuration session, and
returns the router to EXEC mode.
or
RP/0/RP0/CPU0:router(config-ntp)# commit
Entering no exits the configuration session and returns the
router to EXEC mode without committing the configuration
changes.
Entering cancel leaves the router in the current
configuration session without exiting or committing the
configuration changes.
Use the commit command to save the configuration changes
to the running configuration file and remain within the
configuration session.
Configuring Broadcast-Based NTP Associates
In a broadcast-based NTP association, an NTP server propagates NTP broadcast packets throughout a network.
Broadcast clients listen for the NTP broadcast packets propagated by the NTP server and do not engage in
any polling.
Broadcast-based NTP associations should be used when time accuracy and reliability requirements are modest
and if your network is localized and has a large number of clients (more than 20). Broadcast-based NTP
associations also are recommended for use on networks that have limited bandwidth, system memory, or CPU
resources. Time accuracy is marginally reduced in broadcast-based NTP associations because information
flows only one way.
Use the broadcast client command to set your networking device to listen for NTP broadcast packets
propagated through a network. For broadcast client mode to work, the broadcast server and its clients must
be located on the same subnet. The time server that is transmitting NTP broadcast packets must be enabled
on the interface of the given device using the broadcast command.
System Management Configuration Guide for Cisco NCS 5000 Series Routers, IOS XR Release 6.2.x
149
Implementing NTP
Configuring Broadcast-Based NTP Associates

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Cisco NCS 5000 Series Specifications

General IconGeneral
BrandCisco
ModelNCS 5000 Series
CategoryNetwork Router
LanguageEnglish

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