Use VRF name to synchronize the time with server. If this option is not specified, it defaults to
mgmt-vrf.
key
The symmetric key ID. By default, no symmetric key is configured. The range is 1 to 65,534.
version3 | 4
The NTP version supported by peer. If this option is not specified, then defaults to 4.
minpollinterval
The shortest polling interval. The range is 4 to 17. Default is 6. The interval argument is power of 2: 3=8s, 4=16s, 5=32s, 6=64s, 7=128s, 8=256s, 9=512s etc.
maxpollinterval
The longest polling interval. The range is 4 to 17. Default is 10. The interval argument is power of 2: 3=8s, 4=16s, 5=32s, 6=64s, 7=128s, 8=256s, 9=512s etc.