The object specifies whether the SSH server is compatible with SSH1.x.
The default is 2.
Options:
1. enable(1) -indicates that the version compatibility function of the SSH server is enabled
so that the SSH server is compatible with the SSHv1.x client.
2. disable(2)-indicates that the version compatibility function of the SSH server is disabled
and therefore the SSH server is incompatible with the SSHv1.x client.