I think I would write a script to dump the IP addressing of every network by name, and then another to use that other to set the IP addressing back for networks with the same name.   And then just manually move the networks from one template to another. ... View more

Regarding pinging the clients, use the "get clients" API call to obtain a list of clients in the last x time frame.  When I did this, I used 2 hours (7200secs).  If you are using Python, use the ping() function from the Ping3 package on Pypi. Adjust the following accordingly for your purpose.   clientvalidationlist = [] clients = Merakiclient.clients.getNetworkClients(network['id'], timespan = 7200) for client in clients: if ping(client['ip']) != None: clientvalidationlist.append({'mfg': client['manufacturer'], 'desc': client['description'], 'ip': client['ip']}) print('Clients responding to ping: {}'.format(len(clientvalidationlist)))   later in the program use the same concept, except use "for client in clientvalidationlist".   ... View more