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Level 7

Config Template - NTP

Hi Team,

I need to create a config change template to automatically add the correct NTP servers and remove the incorrect ones configured on the Cisco routers. I can create the script to add the new NTP servers but I am not able to remove the wrong ones.

For example : 

Problem :

Below are the NTP servers configured on two Cisco routers :

Router 1 :

ntp server 1.1.1.1

ntp server 3.3.3.3

ntp server 4.4.4.4

Router 2 :

ntp server 1.1.1.1

ntp server 3.3.3.3

ntp server 5.5.5.5

The correct ntp servers are 1.1.1.1 and 2.2.2.2.

Requirement :

I want to create a config change template in which I want to add the correct ntp servers ( 1.1.1.1 and 2.2.2.2) and remove all the others. I will run this template on all the Cisco routers so that after this all will now have same and only these 2 NTP servers.

Thanks

-AM

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1 Reply

Just issue a 'no ntp' before you add in the new ones. So your script will be

no ntp

ntp server 1.1.1.1

ntp server 2.2.2.2

That should do it.