Hi there,
We don't really have any quick and easy "clone" function like what you're looking for. The only similar functionality that we have would be the ability to export and import a reverse proxy instance configuration. I don't know if these appliances also include the reverse proxy, you don't mention that. But if they do then you could use that for the proxy.
https://www.ibm.com/support/knowledgecenter/SSPREK_9.0.7/com.ibm.isam.doc/admin/task/tsk_exporting_webseal_config.html
But as far as the appliance itself it would need to be created, configured (addresses, networking, licenses), added to the cluster, and then the configuration like the runtime parameters and such configured. If this is something you need to do a lot then it could be beneficial to look at automating some or all of the processes (using rest API scripting, or even ansible if you use that).
If you do use ansible you can look at
https://github.com/IBM-Security/isam-ansible-roles
but keep in mind that this ansible stuff is provided by the owner of that github, and it's not something that IBM provides official support for if you use it. You would need to debug it youself or work via the github if you need help.
I hope this helps.
Daniel
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