How to Set Time and Date on a Router

 How to Set Time and Date

The 'system clock' can be set from several sources, and it can be used to distribute the current time through the mortified procedure to other systems. Use one of the formats of the clock EXEC Command to manually set the system clock into Privilege Mode.

How to Set Time and Date on a Router

Router# clock?  

Clock Option

Router# clock set?

hh:mm:ss Current Time

Router# clock set 06:22:34? 

<1-31> Day of the month

MONTH: Month of the year

Router# clock set 06:22:34 04 April?

<1993-2035> Year

Router# clock set 06:22:34 04 April 2006

<cr>

Router# clock set 06:22:34 04 April 2006

*April 4 06:22:34.000: SYS%-6-CLOCK UPDATE: System clock has been updated from 00:05:24 UTC Fri Mar 1, 2002, to 06:22:34 UTC Fri April 4, 2006, configured from console by console.

Clock Verification

Router# show clock

10:12:21.635 UTC Fri April 4, 2012 

Router Help Commands

When entering complex IOS commands, it is common to use the question mark repeatedly while entering the command.

How to Check Router History

Cisco IOS stores all the commands that you type in a history buffer. By default, it stores 20.

Router History

How to Change Router History Buffer Size

R1#terminal history size 30

Note: Now, the device can store up to 30 commands after configuring this command, which can be used by using the Up-Arrow key. Remember, if you type the EXIT or LOGOUT command in user exec mode, and in the history buffer all the commands will be erased, and you will not be able to use them.

Verification

R1#show terminal

<--- OUTPUT OMITTED--->

 

Time since activation: 00:02:58

Editing is enabled

Router History Buffer Size

DNS resolution in the show command is enabled

Full user help is disabled

Allowed input transports are none.

<--- OUTPUT OMITTED--->

 

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