Configuring The Source Ip Address For Ntp Packets - Cisco NCS 5000 Series Manual

Implementing NTP

Configuring the Source IP Address for NTP Packets

By default, the source IP address of an NTP packet sent by the router is the address of the interface through
which the NTP packet is sent. Use this procedure to set a different source address.
Note No specific command enables NTP; the first NTP configuration command that you issue enables NTP.
SUMMARY STEPS
1. configure
2. ntp
3. source type interface-path-id
4. Use one of the following commands:
DETAILED STEPS
Command or Action
Step 1
configure
Step 2 ntp
Example:
RP/0/RP0/CPU0:router(config)# ntp
Step 3 source type interface-path-id
Example:
RP/0/RP0/CPU0:router(config-ntp)#
source POS 0/0/0/1
Step 4 Use one of the following commands:
• end
• commit
Example:
RP/0/RP0/CPU0:router(config-ntp)#
end
• end
• commit
Purpose
Enters NTP configuration mode.
Configures an interface from which the IP source address is taken.
Note
Saves configuration changes.
• When you issue the end command, the system prompts you to commit
System Management Configuration Guide for Cisco NCS 5000 Series Routers, IOS XR Release 6.2.x
Configuring the Source IP Address for NTP Packets
This interface is used for the source address for all packets sent to all
destinations. If a source address is to be used for a specific association,
use the source keyword in the peer or server command shown in
Configuring Poll-Based Associations, on page
changes:
Uncommitted changes found, commit them before
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.
147.
157