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