Is there a way to update the config of multiple routers and switches?

Unanswered Question
May 29th, 2009

Is there a way to update the config of multiple routers and switches. For changes which affect every router and switch such as changing the ip address of the tacacs server we have to manually change the config on every device which is very time consumuing. Surely there must be a better way of doing this?

I have this problem too.
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Dennis Mink Fri, 05/29/2009 - 03:27

Well, you will need to look into implementing network management software for it. With snmp push, you can actively change the config.

Network management software like Cisco Works or Nagios can do this in an automated way, once snmp read/write access has been provided to the relevant nodes that you need to re-configure.

I would start on doing research in that direction.

alternatively you might want to run a script from a Telnet client (such as secure CRT) that adds a desired command line

Collin Clark Fri, 05/29/2009 - 05:12

If you have SecureCRT, I can provide a script that will do this for you. Just to add another app that can help, Solarwinds Network Configuration Manager.

darrenriley5 Fri, 05/29/2009 - 07:15

If you can provide a script that would be great. I've not got SecureCRT but will download the trial version now.

Many Thanks

Darren

Collin Clark Fri, 05/29/2009 - 07:21

You will need to create the file C:\IOS-Passwword.txt In this file is the IP's of the devices you want to connect to. It should be in the format:

192.168.50.1

192.168.60.1

The script is for changing a password, however take a look at the script and you'll see you can change it to do anything you like. Here's a reference as well.

https://packetpros.com/netmon/SecureCRT.html

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