Changes the NTP version running on an NTP server to 3 or 4. The default version is 4.
Syntax
ntp server <server> version <version>
Parameters
server
The hostname or IPv4 or IPv6 address of the NTP server.
version
The NTP version, which can be 3 or 4.
Example
The following example changes the NTP version on NTP server 172.16.22.1 to 3.
hostname (config) # ntp server 172.16.22.1 version 3 hostname (config) # show ntp configured NTP enabled: yes NTP Authentication enabled: yes No NTP peers configured. NTP server 172.16.22.1 Enabled: yes NTP version: 3 Key: none ...
Command mode
Config
Supported appliances
This command was released as follows:
Malware Analysis: Before release 6.4
Central Management System: Before release 6.4
Email Security — Server: Before release 6.4. The NTP Authentication enabled and Key fields were introduced in EX Series 7.8.0.
File Protect: Before release 6.4
Endpoint Security (HX): Release 2.5
Network Security: Before release 6.4