Let's say you've got 500+ switches & routers & devices you want to SSH to.
What tool do you use to open a quick & easy SSH session to the right device?
What tool makes it easy for you to quickly find the right device by name or IP address (or by something else?), and then open that SSH session to it?
I've tried Secure-CRT and Putty Connection Manager. Neither are quick & easy to setup that many devices, although you can import a .csv file if you've got one. Suppose you don't? What do you use?