- Information About Basic Device Management
- Licensing Requirements for Basic Device Management
- Changing the Device Hostname
- Configuring the MOTD Banner
- Configuring the Time Zone
- Configuring Summer Time (Daylight Saving Time)
- Manually Setting the Device Clock
- Setting the Clock Manager
- Managing Users
- Default Settings for Basic Device Parameters
- Additional References for Basic Device Management
Basic Device Management
This chapter contains the following sections:
- Information About Basic Device Management
- Licensing Requirements for Basic Device Management
- Changing the Device Hostname
- Configuring the MOTD Banner
- Configuring the Time Zone
- Configuring Summer Time (Daylight Saving Time)
- Manually Setting the Device Clock
- Setting the Clock Manager
- Managing Users
- Default Settings for Basic Device Parameters
- Additional References for Basic Device Management
Information About Basic Device Management
This section provides information about basic device management.
- Device Hostname
- Message-of-the-Day Banner
- Device Clock
- Clock Manager
- Time Zone and Summer Time (Daylight Saving Time)
- User Sessions
Device Hostname
You can change the device hostname displayed in the command prompt from the default (switch) to another character string. When you give the device a unique hostname, you can easily identify the device from the command-line interface (CLI) prompt.
Message-of-the-Day Banner
The message-of-the-day (MOTD) banner displays before the user login prompt on the device. This message can contain any information that you want to display for users of the device.
Device Clock
If you do not synchronize your device with a valid outside timing mechanism, such as an NTP clock source, you can manually set the clock time when your device boots.
Clock Manager
The Cisco Nexus chassis may contain clocks of different types that may need to be synchronized. These clocks are a part of various components (such as the supervisor, LC processors, or linecards) and each may be using a different protocol.
The clock manager provides a way to synchronize these different clocks.
Time Zone and Summer Time (Daylight Saving Time)
You can configure the time zone and summer time (daylight saving time) setting for your device. These values offset the clock time from Coordinated Universal Time (UTC). UTC is International Atomic Time (TAI) with leap seconds added periodically to compensate for the Earth's slowing rotation. UTC was formerly called Greenwich Mean Time (GMT).
User Sessions
You can display the active user session on your device. You can also send messages to the user sessions. For more information about managing user sessions and accounts, see the .
Licensing Requirements for Basic Device Management
The following table shows the licensing requirements for this feature:
Product |
License Requirement |
---|---|
Cisco NX-OS |
Basic device management requires no license. Any feature not included in a license package is bundled with the Cisco NX-OS system images and is provided at no extra charge to you. For a complete explanation of the Cisco NX-OS licensing scheme, see the . |
Changing the Device Hostname
You can change the device hostname displayed in the command prompt from the default (switch) to another character string.
Configuring the MOTD Banner
You can configure the MOTD to display before the login prompt on the terminal when a user logs in. The MOTD banner has the following characteristics:
Command or Action | Purpose | |||
---|---|---|---|---|
Step 1 | configure terminal Example: switch# configure terminal switch(config)# |
Enters global configuration mode. |
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Step 2 | banner motd delimiting-character message delimiting-character Example: switch(config)# banner motd #Welcome to the Switch# switch(config)# |
Configures the MOTD banner. Do not use the delimiting-character in the message text.
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Step 3 | exit Example: switch(config)# exit switch# |
Exits global configuration mode. |
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Step 4 | show banner motd Example: switch# show banner motd |
(Optional) Displays the configured MOTD banner. |
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Step 5 | copy running-config startup-config Example: switch# copy running-config startup-config |
(Optional) Copies the running configuration to the startup configuration. |
Configuring the Time Zone
You can configure the time zone to offset the device clock time from UTC.
Command or Action | Purpose | |
---|---|---|
Step 1 | configure terminal Example: switch# configure terminal switch(config)# |
Enters global configuration mode. |
Step 2 | clock timezone zone-name offset-hours offset-minutes Example: switch(config)# clock timezone EST -5 0 |
Configures the time zone. The zone-name argument is a 3-character string for the time zone acronym (for example, PST or EST). The offset-hours argument is the offset from the UTC and the range is from –23 to 23 hours. The range for the offset-minutes argument is from 0 to 59 minutes. |
Step 3 | exit Example: switch(config)# exit switch# |
Exits global configuration mode. |
Step 4 | show clock Example: switch# show clock |
(Optional) Displays the time and time zone. |
Step 5 | copy running-config startup-config Example: switch# copy running-config startup-config |
(Optional) Copies the running configuration to the startup configuration. |
Configuring Summer Time (Daylight Saving Time)
You can configure when summer time, or daylight saving time, is in effect for the device and the offset in minutes.
Command or Action | Purpose | |
---|---|---|
Step 1 | configure terminal Example: switch# configure terminal switch(config)# |
Enters global configuration mode. |
Step 2 | clock summer-time zone-name start-week start-day start-month start-time end-week end-day end-month end-time offset-minutes Example: switch(config)# clock summer-time PDT 1 Sunday March 02:00 1 Sunday November 02:00 60 |
Configures summer time or daylight saving time. The zone-name argument is a three character string for the time zone acronym (for example, PST and EST). The values for the start-day and end-day arguments are Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, and Sunday. The values for the start-month and end-month arguments are January, February, March, April, May, June, July, August, September, October, November, and December. The value for the start-time and end-time arguments are in the format hh:mm. The range for the offset-minutes argument is from 0 to 1440 minutes. |
Step 3 | exit Example: switch(config)# exit switch# |
Exits global configuration mode. |
Step 4 | show clock detail Example: switch(config)# show clock detail |
(Optional) Displays the configured MOTD banner. |
Step 5 | copy running-config startup-config Example: switch# copy running-config startup-config |
(Optional) Copies the running configuration to the startup configuration. |
Manually Setting the Device Clock
You can set the clock manually if your device cannot access a remote time source.
Configure the time zone.
Command or Action | Purpose | |
---|---|---|
Step 1 | clock set time day month year Example: switch# clock set 15:00:00 30 May 2008 Fri May 30 15:14:00 PDT 2008 |
Configures the device clock. The format for the time argument is hh:mm:ss. The range for the day argument is from 1 to 31. The values for the month argument are January, February, March, April, May, June, July, August, September, October, November, and December. The range for the year argument is from 2000 to 2030. |
Step 2 | show clock Example: switch(config)# show clock |
(Optional) Displays the current clock value. |
Setting the Clock Manager
You can configure the clock manager to synchronize all the clocks of the components in the Cisco Nexus chassis.
Command or Action | Purpose | |||||
---|---|---|---|---|---|---|
Step 1 | clock protocol protocol vdc vdc-num Example: #clock protocol ptp vdc 2 |
Configures the clock manager. The values for the protocol argument are ptp, ntp, and none. The following describes the values:
The range for the vdc argument is 1 to 8. |
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Step 2 | show run clock_manager Example: #show run clock_manager |
(Optional) Displays the configuration of the clock manager. |
Managing Users
You can display information about users logged into the device and send messages to those users.
Displaying Information about the User Sessions
You can display information about the user session on the device.
Command or Action | Purpose | |
---|---|---|
Step 1 | show users Example: switch# show users |
Displays the user sessions. |
Sending a Message to Users
You can send a message to active users currently using the device CLI.
Command or Action | Purpose | |
---|---|---|
Step 1 | show users Example: switch# show users |
(Optional) Displays the active user sessions. |
Step 2 | send [session line] message-text Example: switch# send Reloading the device is 10 minutes! |
Sends a message to all active users or to a specific user. The message can be up to 80 alphanumeric characters and is case sensitive. |
Default Settings for Basic Device Parameters
Parameters |
Default |
---|---|
MOTD banner text |
User Access Verification |
Clock time zone |
UTC |
Additional References for Basic Device Management
Related Topic |
Document Title |
---|---|
Cisco NX-OS Licensing |
Cisco NX-OS Licensing Guide |
Command Reference |
Cisco Nexus 3548 Switch NX-OS Fundamentals Command Reference |