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 service ntp <vrf-id>
Configures the Network Time Protocol (NTP) in a specific VRF. The default VRF is default.
Command Syntax
| Syntax | Description |
|---|---|
<vrf-id> | The VRF you want to configure. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set service ntp default
nv set service ntp <vrf-id> listen <interface-name>
Configures the NTP interface on which to listen. The default setting is eth0.
Command Syntax
| Syntax | Description |
|---|---|
<vrf-id> | The VRF you want to configure. |
<interface-name> | The NTP interface on which to listen. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set service ntp default listen swp10
nv set service ntp <vrf-id> pool <server-id>
Configures the remote NTP server pool.
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 service ntp <vrf-id> pool <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 on or off. The default setting is off.
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 iburst on
nv set service ntp <vrf-id> server <server-id>
Configures the remote NTP server.
Command Syntax
| Syntax | Description |
|---|---|
<vrf-id> | The VRF you want to configure. |
<server-id> | The hostname or IP address of the NTP server. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set service ntp default server time.nist.gov
nv set service ntp <vrf-id> server <server-id> iburst
Configures NTP to send a burst of eight packets instead of the usual one packet when the server is unreachable. You can specify on or off. The default setting is off.
Command Syntax
| Syntax | Description |
|---|---|
<vrf-id> | The VRF you want to configure. |
<server-id> | The hostname or IP address of the NTP server. |
Version History
Introduced in Cumulus Linux 5.0.0
Example
cumulus@switch:~$ nv set service ntp default server 192.168.0.254 iburst on