Use the broadcast command to set your networking device to send NTP broadcast packets.
No specific command enables NTP; the first NTP configuration command that you issue enables NTP.Note
SUMMARY STEPS
1.
configure
2.
ntp
3.
(Optional) broadcastdelay microseconds
4.
interface type interface-path-id
5.
broadcast client
6.
broadcast [destination ip-address] [key key-id] [version number]
7.
Use one of the following commands:
•
end
•
commit
DETAILED STEPS
PurposeCommand or Action
configure
Step 1
Enters NTP configuration mode.ntp
Example:
RP/0/RP0/CPU0:router(config)# ntp
Step 2
(Optional)
Adjusts the estimated round-trip delay for NTP broadcasts.
broadcastdelay microseconds
Example:
RP/0/RP0/CPU0:router(config-ntp)#
broadcastdelay 5000
Step 3
Enters NTP interface configuration mode.
interface type interface-path-id
Example:
RP/0/RP0/CPU0:router(config-ntp)#
interface POS 0/1/0/0
Step 4
Configures the specified interface to receive NTP broadcast packets.broadcast client
Step 5
Example:
RP/0/RP0/CPU0:router(config-ntp-int)#
broadcast client
Go to 6 to configure the interface to send NTP broadcast
packets.
Note
System Management Configuration Guide for Cisco NCS 5000 Series Routers, IOS XR Release 6.2.x
150
Implementing NTP
Configuring Broadcast-Based NTP Associates