Cisco Systems SMC-169 manual Disabling NTP Services on a Specific Interface, SMC-180

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Implementing NTP on Cisco IOS XR Software

How to Implement NTP on Cisco IOS XR Software

Disabling NTP Services on a Specific Interface

This task explains how to disable NTP services on a specific interface.

NTP services are disabled on all interfaces by default.

NTP is enabled globally when any NTP commands are entered. You can selectively prevent NTP packets from being received through a specific interface by turning off NTP on a given interface.

SUMMARY STEPS

1.configure

2.ntp

3.no interface type instance or

interface type instance disable

4.end or commit

DETAILED STEPS

 

Command or Action

Purpose

Step 1

 

 

configure

Enters global configuration mode.

 

Example:

 

 

RP/0/RP0/CPU0:router# configure

 

Step 2

 

 

ntp

Enters NTP configuration mode.

 

Example:

 

 

RP/0/RP0/CPU0:router(config)# ntp

 

 

 

 

Cisco IOS XR System Management Configuration Guide

SMC-180

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Contents Implementing NTP on Cisco IOS XR Software NTP Functional Overview SMC-170Configuring Poll-Based Associations Poll-Based AssociationsSMC-171 Summary Steps SMC-172Configuring Broadcast-Based NTP Associations Broadcast-Based NTP AssociationsSMC-173 SMC-174 Configuring NTP Access Groups NTP Access GroupsSMC-175 SMC-176 SMC-177 Configuring NTP Authentication NTP AuthenticationSMC-178 Supported is md5 SMC-179Disabling NTP Services on a Specific Interface SMC-180SMC-181 Configuring the Source IP Address for NTP Packets SMC-182SMC-183 Configuring the System as an Authoritative NTP Server SMC-184Updating the Hardware Clock SMC-185SMC-186 Verifying the Status of the External Reference Clock ExamplesSMC-187 Configuring Poll-Based Associations Example Configuring Broadcast-Based Associations ExampleSMC-188 Configuring NTP Access Groups Example Configuring NTP Authentication ExampleSMC-189 Configuring the Source IP Address for NTP Packets Example Disabling NTP on an Interface ExampleSMC-190 Updating the Hardware Clock Example Related DocumentsStandards MIBsRFCs Technical AssistanceSMC-192