Why do command line prompts respond poorly I am when SSH'ing into a terminal?
Is it slow only when connecting or during the SSH session, once connected?
You can diagnose the point at which it "stalls" during session startup by using the -v parameter. My hunch is that it's stalling when trying to resolve your computer's IP address. If you have control over the SSH server to which you're connecting, you could add
If it's slow during the session, that would sound like a lower-level networking problem, you can use