configure 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.