Restricts a host or block of client IP addresses from getting NTP service. When NTP is enabled over a This command is available on the ExtremeSwitching X440-G2, X450-G2, X460-G2, X465, X590, X620, X670-G2, X690, X695, X870, 5320, 5420, 5520 series switches., 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.
| 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. |
| vr | Specifies VRs for NTP service. |
| vr_name | Specifies the VR name for allowing/denying NTP service. If no VR name is specified, the current command context is used. |
All addresses are denied by default.
If no VR name is specified, the current command context is used.
N/A.
The following command restricts a block of client IP addresses from getting NTP service:
configure ntp restrict-list add 132.25.82.3 deny
This command was first available in ExtremeXOS 12.7.
The vr keyword was added in ExtremeXOS 22.2.
This command is available on ExtremeSwitching X435, X440-G2, X450-G2, X460-G2, X465, X590, X620, X670-G2, X690, X695, X870, 5320, 5420, and 5520 series switches.