N Commands

This chapter describes the system management commands that begin with N.

ntp

form of this command.

 
Syntax Description

Specifies the hostname or IP address of an NTP peer.

Specifies the hostname or IP address of the NTP server.

(Optional) Specifies this peer/server as the preferred peer/server.

(Optional) Specifies the virtual routing and forwarding (VRF) used to reach this peer/server.

 
Command Default

None

 
Command Modes

Global configuration mode

 
Command History

Release
Modification

4.0(0)N1(1a)

This command was introduced.

4.0(1a)N1(1)

is retained for backwards compatibility.

 
Usage Guidelines

You can specify multiple peer associations.

Examples

This example shows how to form a server association with a server:

switch(config)# ntp server ntp.cisco.com
 

This example shows how to form a peer association with a peer:

switch(config)# ntp peer 192.168.10.0
 

This example shows how to delete an association with a peer:

switch(config)# no ntp peer 192.168.10.0
 

 
Related Commands

Command
Description

Enables CFS distribution for NTP.

Displays NTP information.

ntp abort

command.

 
Syntax Description

This command has no arguments or keywords.

 
Command Default

None

 
Command Modes

Global configuration mode

 
Command History

Release
Modification

4.0(0)N1(1a)

This command was introduced.

Examples

This example shows how to discard the NTP CFS distribution session in progress:

switch(config)# ntp abort
 

 
Related Commands

Command
Description

Enables CFS distribution for NTP.

Displays NTP information.

ntp authenticate

To enable Network Time Protocol (NTP) authentication, use the ntp authenticate command. To disable NTP authentication, use the no form of this command.

no ntp authenticate

 
Syntax Description

This command has no arguments or keywords.

 
Command Default

Disabled

 
Command Modes

Global configuration (config)

 
Command History

Release
Modification

5.0(3)N1(1)

This command was introduced.

 
Usage Guidelines

This command does not require a license.

Examples

This example shows how to enable NTP authentication:

switch(config)# ntp authenticate
 

This example shows how to disable NTP authentication:

switch(config)# no ntp authenticate
switch(config)#
 

 
Related Commands

Command
Description

Displays the status of NTP authentication.

ntp commit

command.

 
Syntax Description

This command has no arguments or keywords.

 
Command Default

None

 
Command Modes

Global configuration mode

 
Command History

Release
Modification

4.0(0)N1(1a)

This command was introduced.

Examples

This example shows how to commit changes to the active NTP configuration:

switch(config)# ntp commit
 

 
Related Commands

Command
Description

Enables CFS distribution for NTP.

Displays NTP information.

ntp distribute

form of this command.

 
Syntax Description

This command has no arguments or keywords.

 
Command Default

Disabled

 
Command Modes

Global configuration mode

 
Command History

Release
Modification

4.0(0)N1(1a)

This command was introduced.

 
Usage Guidelines

command.

Examples

This example shows how to distribute the active NTP configuration to the fabric:

switch(config)# ntp distribute
 

 
Related Commands

Command
Description

Commits the NTP configuration changes to the active configuration.

Displays NTP information.

ntp sync-retry

command.

 
Syntax Description

This command has no arguments or keywords.

 
Command Default

None

 
Command Modes

EXEC mode

 
Command History

Release
Modification

4.0(0)N1(1a)

This command was introduced.

Examples

This example shows how to retry synchronization with the configured NTP servers:

switch# ntp sync-retry
 

 
Related Commands

Command
Description

Enables CFS distribution for NTP.

Displays NTP information.