Purpose
Command or Action
Device#
configure terminal
Configures an interface and enters interface configuration
mode.
interface interface-id
Example:
Step 3
Device(config)#
interface gigabitethernet1/0/1
Enables the interface to send NTP broadcast packets to a
peer.
[
no
]
ntp broadcast
[
version number
] [
key key-id
]
[
destination-address
]
Step 4
Example:
•
number
: NTP version number. The range is 1 to 4. By
default, version 4 is used.
Device(config-if)#
ntp broadcast version 2
•
key-id
: Authentication key.
•
destination-address
: IP address of the peer that is
synchronizing its clock to this switch.
Use the
no
form of this command to disable the interface
from sending NTP broadcast packets.
Enables the interface to receive NTP broadcast packets.
[
no
]
ntp broadcast client
Step 5
Example:
Use the
no
form of this command to disable the interface
from receiving NTP broadcast packets.
Device(config-if)#
ntp broadcast client
Returns to privileged EXEC mode.
exit
Example:
Step 6
Device(config-if)#
exit
(Optional) Change the estimated round-trip delay between
the device and the NTP broadcast server
[
no
]
ntp broadcastdelay microseconds
Example:
Step 7
The default is 3000 microseconds. The range is from 1 to
999999.
Device(config)#
ntp broadcastdelay 100
Use the
no
form of this command to disable the interface
from receiving NTP broadcast packets.
Returns to privileged EXEC mode.
end
Example:
Step 8
Device(config)#
end
System Management Configuration Guide, Cisco IOS XE Fuji 16.8.x (Catalyst 9500 Switches)
19
Administering the Device
Configuring Broadcast-Based NTP Associations
