NTP
The nv unset commands remove the configuration you set with the equivalent nv set commands. This guide only describes an nv unset command if it differs from the nv set command.
nv set system ntp vrf <vrf-id>
Configures the Network Time Protocol (NTP) in a specific VRF. The default VRF is default.
In Cumulus Linux 5.14 and earlier, this command is nv set service ntp <vrf-id>.
Command Syntax
| Syntax | Description |
|---|---|
<vrf-id> |
The VRF you want to configure. |
Version History
Introduced in Cumulus Linux 5.15.0
Example
cumulus@switch:~$ nv set system ntp vrf default
nv set system ntp listen <interface-name>
Configures the NTP interface on which to listen. The default setting is eth0.
In Cumulus Linux 5.14 and earlier, this command is nv set service ntp <vrf-id> listen <interface-name>.
Command Syntax
| Syntax | Description |
|---|---|
<interface-name> |
The NTP interface on which to listen. |
Version History
Introduced in Cumulus Linux 5.15.0
Example
cumulus@switch:~$ nv set system ntp listen swp10
nv set service ntp <vrf-id> pool <server-id>
Configures the remote NTP server pool.
Cumulus Linux 5.15 and later no longer supports this command.
Command Syntax
| Syntax | Description |
|---|---|
<vrf-id> |
The VRF you want to configure. |
<server-id> |
The NTP server pool. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set service ntp default pool 4.cumulusnetworks.pool.ntp.org
nv set system ntp server <server-id>
Configures the remote NTP server.
In Cumulus Linux 5.14 and earlier, this command is nv set service ntp <vrf-id> server <server-id>.
Command Syntax
| Syntax | Description |
|---|---|
<server-id> |
The hostname or IP address of the NTP server. |
Version History
Introduced in Cumulus Linux 5.15.0
Example
cumulus@switch:~$ nv set system ntp server time.nist.gov
nv set system ntp server <server-id> association-type
Configures the NTP server association type. You can specify server or pool. The default value is server.
Command Syntax
| Syntax | Description |
|---|---|
<server-id> |
The NTP server pool. |
Version History
Introduced in Cumulus Linux 5.15.0
Example
cumulus@switch:~$ nv set system ntp server 192.168.200.1 association-type pool
nv set system ntp server <server-id> iburst
Configures NTP to send a burst of eight packets instead of the usual one packet when the server pool is unreachable. You can specify enabled or disabled. The default setting is disabled.
In Cumulus Linux 5.14 and earlier, this command is nv set service ntp <vrf-id> server <server-id> iburst and the value is on or off.
Command Syntax
| Syntax | Description |
|---|---|
<server-id> |
The NTP server pool. |
Version History
Introduced in Cumulus Linux 5.15.0
Example
cumulus@switch:~$ nv set system ntp server 192.168.200.1 iburst
nv set system ntp server <server-id> state
Enables and disables the NTP server. You can specify enabled or disabled. The default setting is enabled.
Command Syntax
| Syntax | Description |
|---|---|
<server-id> |
The NTP server pool. |
Version History
Introduced in Cumulus Linux 5.15.0
Example
cumulus@switch:~$ nv set system ntp server 192.168.200.1 state enabled
nv set system ntp server <server-id> version
Configure the NTP server version. You can specify 3 or 4. The default setting is 4.
Command Syntax
| Syntax | Description |
|---|---|
<server-id> |
The NTP server pool. |
Version History
Introduced in Cumulus Linux 5.15.0
Example
cumulus@switch:~$ nv set system ntp server 192.168.200.1 version 3
nv set system ntp state
Enables and disables NTP. You can specify enabled or disabled. The default setting is enabled.
Version History
Introduced in Cumulus Linux 5.15.0
Example
cumulus@switch:~$ nv set system ntp state disabled
nv set system ntp vrf <vrf-id>
Configures the VRF for NTP.
Command Syntax
| Syntax | Description |
|---|---|
<vrf-id> |
The VRF name. |
Version History
Introduced in Cumulus Linux 5.15.0
Example
cumulus@switch:~$ nv set system ntp vrf RED