Print
this page
Email this topic
Feedback
View PDF
Download EPUBconfigure ntp restrict-list
configure ntp restrict-list [add | delete] network {mask} [permit | deny]
Description
Restricts a host or block of client IP addresses from getting NTP service. When NTP is enabled over a VLAN, an NTP server is configured, or a broadcast NTP server is in a VLAN, the VLAN's IP block or NTP server's IP address is automatically added into the system with a permit action.
Syntax Description
| add | Restricts a client from getting NTP service. |
| delete | Removes a client from the restrict list. |
| network | Specifies a host or block of IP addresses. |
| mask | Specifies the subnet mask of the network. |
| permit | Specifies that a particular block of client IP addresses is permitted to get NTP service. |
| deny | Specifies that a particular block of client IP addresses is denied NTP service. |
Default
All addresses are denied by default.
Usage Guidelines
N/A.
Example
The following command restricts a block of client IP addresses from getting NTP service:
configure ntp restrict-list add 132.25.82.3 deny
History
This command was first available in ExtremeXOS 12.7.
Platform Availability
This command is available on all platforms.