SSH2 for Cisco and Netscreen
This topic applies to KCT 3.12.7 and earlier. If you are on KCT NG 2026.2 or later, see NG topic.
Many Cisco IOS devices support SSH2 version 12 and later. Netscreen devices from version 5 and later of the IOS also support SSH2.
To enable CatTools to connect to a Netscreen device use a variant of the SSH2 protocol called SSH2-nopty.
This is in relation to the pseudo terminal that is used in *nix when using SSH connections to a command processor, but may not be required by network devices.