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Bulk IOS Config Push

I need to push a snippet of RADIUS authentication config to 20+ cisco routers, preferably simulataneously.

The config will be the same for all routers. While going through the config change templates to write the script, I notice a variable for the NCM node "@Contextnode" which states "The node the template will operate on".

Does this mean that I can only push the script to one single node or device? So I would have to go through and either copy the script for each device and change the NCM node variable?

Is there a different/better way to push config to multiple devices as a single job or is this just something I have to work around?

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Accepted answers

Questionario

with this change template you only need to enter the password and the rest will be done for you....

if you just want to distribute a few lines of set configurations to all cisco devices id say that executing command scripts would be the best way

you just enter

conf t

config line 1

config line 2

config line 3

config line 4

config line ...

end

write memory

^^execute it like above on the boxes and you are fine...

All comments

Questionario

I dont completely understand your question, however you can execute a command script, this includes configurations as well (like radius configurations) and execute that command script on all of your selected boxes sequentially (though they will be done right after another and should finish quickly)

bpaine

You can do an IOS upgrade on multiple nodes no problem. I use a command script via the native APP but also have done via the GUI with an execute script.

I think the ContextNode is for context based devices like an ACE module or such.

PHS

I don't need to upgrade the IOS, I just need to push out some lines of config to a bunch of routers that I have setup in NCM. I was referencing the Config Change templates when asking about the @contextnode variable, Like below is a sample change template:

/*
.CHANGE_TEMPLATE_DESCRIPTION
This change script allows you to quickly change the enable secret password for all selected Cisco IOS devices. The command it runs on each node is 'enable secret PASSWORD' where PASSWORD is a variable supplied when you run the script.
.PLATFORM_DESCRIPTION
This runs on Cisco IOS devices.

.PARAMETER_LABEL @ContextNode
NCM Node
.PARAMETER_DESCRIPTION @ContextNode
The node the template will operate on. All templates require this by default. The target node is selected during the first part of the wizard so it will not be available for selection when defining values of variables.

.PARAMETER_LABEL @NewPassword
The new enable password.
.PARAMETER_DESCRIPTION @NewPassword
This should be a valid Cisco IOS password.No spaces are allowed, a script will not be generated for a password including a space.

script ChangePassword (
NCM.Nodes @ContextNode,
string @NewPassword )
{

if (@NewPassword contains ' ')
{}

else
{

foreach ( @node in @ContextNode )
{

    if ( @node.Vendor == 'Cisco' )
    {
        CLI
        {
          configure terminal
          enable secret @NewPassword
          exit
          write mem
        }
    }
}
}

}

Is there a better way to do this? The OP mentioned a config script. Is this something different than a change template? We're doing an eval so this is all new. I have the exact lines of config in notepad, then what do I do?

Questionario

with this change template you only need to enter the password and the rest will be done for you....

if you just want to distribute a few lines of set configurations to all cisco devices id say that executing command scripts would be the best way

you just enter

conf t

config line 1

config line 2

config line 3

config line 4

config line ...

end

write memory

^^execute it like above on the boxes and you are fine...