The Define Change node is to define the target devices and commands that will be pushed to the target devices.

1.Select the Define Change node in the runbook.

2.In the Define Change pane, define the following settings:

1)Click the icon to select the target devices. By default, all devices on the map will be selected.

Tip: Point to a device and click the icon to select more options.

2)In the Config Change tab, enter the commands that you want to execute on the target devices.

Example: Enter the commands to encrypt a password.
config t
password encryption aes
end

Tip: You can click Load Template and select a predefined configuration template. To create a new configuration template, see Managing Configuration Templates for details.

3)Select All Devices and click Append to add the command to all devices.

Tip: To clear the applied change command to all devices, select All Devices and click Overwrite.

4)(Optional) To cancel a specific change, click the Rollback tab and enter the rollback commands.

 

Further Operations:

How to add multiple change nodes in a Network Change Task?

1.Point to a node and click the icon.

2.In the Select Action dialog, click Config Change on the Network Change tab and click Add.

3.To rename the Config Change node, point to it, click the icon and select Rename.
How to define variables and expressions in a config/rollback config?

Variables and expressions are supported to define commands. The basic model is as follows:
<search-string *
config string 1 
config string 2>

The syntax of the expression is described in the following table:

Item

Description

Angle brackets < >

The prerequisite of the variable expression. Otherwise, it will be treated as a general configlet expression.

Search-string

The string to match the objects that you want to search.

Asterisk (*)

Represents variables matching the search string.

Config string

The CLI commands to be executed. You can add multiple commands in one expression. However, the commands cannot leap more than two-stage. For example, router bgp 65501\address-family ipv4 vrf xxx.

For example, to apply a configuration change to all FastEthernet interfaces of a device, define the expression as follows:

<interface fa * 
duplex auto 
speed 100>
How to tune live reachability of target devices in the Change node?

To check the live reachability of target devices, proceed to the following steps:

1.Click the drop-down menu of All Devices in the Config Change pane.

2.Select Tune Private CLI Settings or Tune shared CLI Settings based on your needs.

3.Click Start Tuning in the pop-up dialog.

Tip: To tune the reachability of an individual device, point to the device, click the pop-up drop-down menu, select Shared or Private Device Settings, and click Tune in the pop-up dialog.